Mitsubishi Electric ALPHA2 Instruction manual

PROGRAMMABLE LOGIC CONTROLLER
MODEL
ALPHA2
QUICK START MANUAL
Mitsubishi Electric Automation, Inc.

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1. INTRODUCTION................................................................. 3
1.1 AVAILABLE MODELS........................................................ 3
1.2 CAUTION........................................................................... 3
2. DIMENSIONS...................................................................... 3
3 INSTALLATION.................................................................... 3
4. WIRING DIAGRAMS......................................................... 4
5. SPECIFICATIONS.............................................................. 6
6. SYSTEM MENU .................................................................. 7
6.1 MENU OPTIONS INSTRUCTIONS................................... 7
6.2 THE STOP MODE............................................................. 7
6.3 THE RUN MODE TOP MENU ........................................... 7
6.4 THE EDIT MENU .............................................................. 7
6.5 THE FUNCTION BLOCK EDIT MENU.............................. 7
6.6 OPTION SCREEN SETUP ............................................... 8
6.7 BLOCK ITEMS .................................................................. 8
7. DIRECT PROGRAMMING............................................... 8
7.1 BLOCK AVAILABILITY....................................................... 9
7.2 CONNECTING BLOCKS ................................................... 9
7.3 DISCONNECT TWO BLOCKS .......................................... 9
7.4 METHODS TO CREATE A FUNCTION BLOCK ................ 9
7.5 FUNCTION BLOCK EDITING............................................ 9
7.6 MOVEMENT BETWEEN FUNCTION BLOCKS ................ 9
7.7 USING KEYS AS INPUTS ............................................... 10
7.8 THE MONITOR MODE .................................................... 10
8. PROGRAMMING USING AL-PCS ............................. 10
8.1 OUTLINE......................................................................... 10
8.2 SYSTEM CONFIGURATION ........................................... 10
8.3 INSTALLING AND STARTING AL-PCS ........................... 11
8.4 STARTING AL-PCS ......................................................... 12
8.5 USING THE HELP FILES IN AL-PCS ............................. 13
9. FUNCTION BLOCKS...................................................... 15
9.1 LOGIC FUNCTION BLOCKS.......................................... 15
9.2 ADDITIONAL FUNCTION BLOCKS................................ 15
10. TROUBLESHOOTING.................................................. 17
10.1 INPUT STATUS ERROR ............................................... 17
10.2 OUTPUT STATUS ERROR ........................................... 17
10.3 TOP MENU IS NOT DISPLAYED .................................. 17
10.4 CANNOT ENTER RUN MODE ..................................... 17
10.5 INCORRECT CLOCK DATA .......................................... 17
10.6 THE “?” APPEARS ON THE DISPLAY .......................... 17
10.7 CANNOT USE AN OPERATION KEY ........................... 17
10.8 INCORRECT LCD DISPLAY......................................... 17
10.9 CANNOT COMMUNICATE WITH AL-PCS .................... 18
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1. INTRODUCTION
The Alpha2 Series Controllers provides supervisory control for use in
the home, office, factory, or wherever you need it. The Alpha2 Series
Controllers offers flexible I/O control for varied applications including:
• Automation of lights, air-conditioning, or watering systems
• The opening and shutting of gates
• Easy security systems
• Domestic animal and pet food distribution systems
• Control of stockyards and greenhouses
However, the Alpha2 Series Controllers is not designed to be used in
the following applications:
• Applications where high reliabilities such as nuclear power control,
railway facilities, airline facilities, vehicles, combustion equipment
and medical equipment are required.
• Applications in life critical situations
1.1 AVAILABLE MODELS
Model No AL2-
10MR-A
AL2-
10MR-D
AL2-
14MR-A
AL2-
14MR-D
AL2-
24MR-A
AL2-
24MR-D
Power
Supply
100-240V
AC~ 24VDC 100-240V
AC~ 24VDC 100-240V
AC~ 24VDC
Input Type
100 -
240V
AC~
24VDC
Sink/
Source
100 -
240V
AC~
24VDC
Sink/
Source
100 -
240V
AC~
24VDC
Sink/
Source
No. Inputs 668815 15
Output Type Relay
No. Outputs 446699
Dimensions
mm (in)
71.2 x 90 x 52
(2.8 x 3.54 x 2.05)
124.6 x 90 x 52
(4.91 x 3.54 x 2.05)
Weight
kg (lbs)
0.21
(0.47)
0.20
(0.44) 0.30 (0.66) 0.35
(0.77)
0.30
(0.66)
1.2 CAUTION
CAUTION: Persons trained in the local and national electrical
standards must perform all tasks associated with wiring the Alpha2
Series Controller.
• Disconnect all terminals from power supply before removing the
cover.
• Turn off the power before performing any wiring operations.
• Input and output cables should not be run through the same
multicore cable or share the same wire.
• Input and output cable length must be less than 30m (98' 5").
• The wire should be used a single cable, used a crimp terminal, or
carefully twist stranded wires together. Do not connect a soldered
wire end to the Alpha2 Series Controller.
• To avoid damaging the wire, tighten to a torque of 0.5 - 0.6 N•m.
• Do not install in areas with: excessive or conductive dust, corrosive
or flammable gas, moisture or rain, excessive heat, regular impact
shocks or excessive vibration.
• The connectors must be covered to prevent contact with “live” wires.
• The Alpha2 Series Controller must be installed in distribution box or
a control cabinet.
• Leave a minimum of 10mm of space for ventilation between the top and
bottom edges of the Alpha2 Series Controller and the enclosure walls.
• The Alpha2 Series is not designed to be used in life critical or fail
safe applications.
• Under no circumstances will Mitsubishi Electric be liable or
responsible for any consequential damage that may arise as a result
of the installation or use of this equipment.
• Please read this entire manual for further information.
2. DIMENSIONS
Unit of Measure: mm (inch)
AL2-14MR-_, AL2-24MR-_
AL2-10MR-_
3 INSTALLATION
nMOUNTING NOTES
The Alpha2 Series’ safe design means the user can install it almost
anywhere but please take the following points into consideration.
• Do not install in areas with excessive or conductive dust, corrosive
or flammable gas, moisture or rain, excessive heat, regular impact
shocks or excessive vibration. Do not place in water or let water leak
onto the controller.
• Do not allow debris to fall inside the unit during installation.
• Keep as far as possible from high-voltage cables and power
equipment.
• The Alpha2 Series Controller must be installed in a distribution box
or a control cabinet.
OUT1
OK
-
+
ESC
OUT3
9
RELAY
OUTPUT
6 5
OUT
8
OUT2 OUT4
7
DC INPUT
151401 11 21 319 8 7 6 5 4 321)A( )B(
+ -
24V DC
POWER
AL2-24MR-D
124.6(4.91")
)"45.3(09
6(0.24")
)"61.0(4
)"61.0(4
6(0.24")
52(2.05")
+ - E01 E02
40E- 30E+
OUT4OUT2 OUT3
OUT1
AL2-10MR-D
OK
ESC
+
-
1
23456
DC INPUT
-
+
)A( )B(
POWER
24V DC
RELAY OUTPUT
90(3.54")
71.2(2.8")
6(0.24")
4(0.16")
4(0.16")
6(0.24")
52(2.05")
OUT1
OK
-
+
ESC
OUT3
9
RELAY
OUTPUT
6 5
OUT
8
OUT2 OUT4
7
DC INPUT
151401 11 21 319 8 7 6 5 4 321)A( )B(
+ -
24V DC
POWER
AL2-24MR-D
124.6(4.91")
)"45.3(09
6(0.24")
)"61.0(4
)"61.0(4
6(0.24")
52(2.05")
+ - E01 E02
40E- 30E+
OUT4OUT2 OUT3
OUT1
AL2-10MR-D
OK
ESC
+
-
1
23456
DC INPUT
-
+
)A( )B(
POWER
24V DC
RELAY OUTPUT
90(3.54")
71.2(2.8")
6(0.24")
4(0.16")
4(0.16")
6(0.24")
52(2.05")
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• Use size M4 screws when mounting by screw holes.
• The connectors must be covered to prevent injury from contact with
“live” wires.
• Leave a minimum of 10mm of space for ventilation between the top
and bottom edges of the Alpha2 Series Controller and the enclosure
walls.
• Do not disassemble the Alpha2 Series controller.
nDIN RAIL MOUNTING OF MAIN UNIT
Units can be snap mounted to 35mm DIN rail (DIN EN 50022). To
release pull the spring loaded clips away from the rail and slide the unit
off and up.
INSTALL: Align the upper side of the Alpha2 DIN rail mounting groove
with the DIN rail (#1) and push it onto the rail (#2).
REMOVE: Pull the DIN rail hook (#1) and remove the Alpha2 series
main unit (#2).
nDIRECT MOUNTING OF MAIN UNIT
Note: The Alpha2 Series controller must be used with either the
communication cable or connector cover installed. Otherwise, the
exposed socket can cause damage to the controller or an electric
shock to the operator.
4. WIRING DIAGRAMS
nEND PROCESSING OF CABLE
Wire the inputs and outputs using 26 - 12 AWG wire (0.13 mm² - 3.31
mm²). To avoid damaging the wire, tighten to a torque of 0.5 - 0.6 N•m.
Stranded cable: Remove sheath, twist core wires, then connect cable
(or use a crimp terminal).
Single cable: Remove sheath, then connect cable.
71.2 (2.8")
59.2(2.34")6 (0.24")
90 (3.54")
82 (3.23")
4 (0.16") 4
AL2-10MR-*
M4 Mounting Screw
6 (0.24")
(0.16")
124.6 (4.91")
112.6 (4.43") 6 (0.24")
90 (3.54") 82 (3.23")
4 (0.16")4
AL2-14MR-*
AL2-24MR-*
M4 Mounting Screw
6 (0.24")
(0.16")
7mm(0.276") ± 0.5mm(0.02")
26 -12 AWG
Temperature Rating: Min. 80ºC (176ºF)
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nRECOMMENDED POWER WIRING DIAGRAM
1. Power Supply
2. Circuit Isolation Device
3. Power On Pilot Indicator
4. Circuit Protection Device - Limit to 1.0A
5. Alpha2 Main Unit
6. Emergency Stop
7. Magnetic Switch Contact
8. Power Supply for Loads
nAL2-_ _MR-A INPUT WIRING
1. AC Power Supply, 100 - 240V AC~ 50/60 Hz
2. Circuit Isolation Device
3. Circuit Protection Device - Limit to 1.0A
4. AC Power Terminals
5. Unused Terminals
6. Input Terminals
7. Digital Input Switches
nAL2-_ _MR-D (SINK/SOURCE) INPUT WIRING
1. DC Power Supply, 24V DC
2. Circuit Isolation Device
3. Circuit Protection Device - Limit to 1.0A
4. DC Power Terminals
5. Sink/Source Input Wiring Terminals
6. Sensor Input Switches
7. Input Terminals
8. Analog Input (DC Source input only)
nAL2-_ _MR-_ OUTPUT WIRING
1. Alpha2 Main Unit
2. Mutually exclusive outputs
3. Output Devices
4. Circuit Protection Device - See Table below to determine fuse size
5. Emergency Stop
6. DC Power Supply
7. AC Power Supply
nCIRCUIT PROTECTION (FUSE)
Circuit
Voltage
Relay Circuit Protection (Fuse)
AL2-10MR-_, AL2-24MR-_ (O01 - O04)
AL2-14MR-_ (O01 - O06) AL2-24MR-_ (O05 - O09)
5VDC
10A / Circuit 3A / Circuit
12VDC
24VDC
100VAC~
240VAC~
L N
+ -
"L" and "N"
terminals are
not reversible.
L
N
Start
MC
MC
L N 123
INPUTS
456
"L" and "N" terminals are
not reversible.
L
N
7 8
+ - 1 2 3
INPUTS
4 5 6
Source Input Wiring Diagram
(A) (B) 7 8
+ - 1 2 3
INPUTS
4 5 6
Sink Input Wiring Diagram
(A) (B) 7 8
OUT1 OUT2 OUT3 OUT4
Relay Output Wiring
OUT5 OUT6
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5. SPECIFICATIONS
nPOWER REQUIREMENTS AND INPUT SPECIFICATIONS
Item Description
Power Supply
AL2-_ _MR-A: 100 - 240 VAC~,
+10% -15%, 50/60 Hz
AL2-_ _MR-D: 24VDC, +20% -15%
Max. Momentary Power Failure AL2-_ _MR-A: 10ms
AL2-_ _MR-D: 5ms
In-Rush Current
AL2-_ _MR-A: ≤ 6.5A (3.5A),
240VAC~ (120VAC~)
AL2-_ _MR-D: ≤ 7.0A, 24VDC
Fuse
Rating
AL2-_ _MR-A: 250V 1A
AL2-24MR-D: 250V 500mA
AL2-14MR-D: 250V 500mA
AL2-10MR-D: 250V 1A
Typical Power
Consumption
AL2-10MR-A, 240VAC~ I/O all On - 3.5 W; I/O all Off - 1.85 W
AL2-10MR-A, 120VAC~ I/O all On - 3.0 W; I/O all Off - 1.55 W
AL2-10MR-D, 24VDC I/O all On - 2.5 W; I/O all Off - 0.75 W
AL2-14MR-A, 240VAC~ I/O all On - 4.5 W; I/O all Off - 2.0 W
AL2-14MR-A, 120VAC~ I/O all On - 3.5 W; I/O all Off - 1.5 W
AL2-14MR-D, 24VDC I/O all On - 4.0 W; I/O all Off - 1.0 W
AL2-24MR-A, 240VAC~ I/O all On - 5.5 W; I/O all Off - 2.5 W
AL2-24MR-A, 120VAC~ I/O all On - 4.5 W; I/O all Off - 2.0 W
AL2-24MR-D, 24VDC I/O all On - 5.0 W; I/O all Off - 1.0 W
nINPUT SPECIFICATIONS
Description AL2-_ _MR-A
(AC Inputs)
AL2-_ _MR-D (DC Inputs)
Source Type Sink Type
Input Voltage
100 - 240V
AC~, +10
-15%, 50/60 Hz
24V DC, +20% -15%
Input Current
AL2-10MR-_ I01 – I06 0.13mA, 120
VAC~
0.25mA, 240
VAC~
6.0mA,
24VDC
5.5mA,
24VDC
Input Current
AL2-14MR-
AL2-24MR-_
I01 – I08
I09 – I15
0.15mA, 120V
AC~
0.29mA, 240
VAC~
5.5mA,
24VDC
Input Impedance ≥ 800kΩ -
Off gOn /
On gOff
I01 – I15 ≥ 80V / ≤ 40V ≥ 18V / ≤ 4V ≤ 4V / ≥18V
Response Time
35-85ms, 120
VAC~
25-130ms,
240VAC~
10 - 20ms
Isolation Circuit None None
nANALOG INPUT SPECIFICATIONS
(AL2-**MR-D, SOURCE TYPE ONLY)
Description Analog Input Specification
Number of Analog Input AL2-10MR-D: 6 (I01 - I06)
AL2-14MR-D, AL2-24MR-D: 8 (I01 - I08)
Input Voltage 0 - 10V DC
Analog Input Range 0 - 500 (10000/500 mV)
Conversion Speed 8ms
Input Impedance 142kΩ ± 5%
Overall Accuracy ± 5%, 0.5VDC
Temperature Drift ± 3 LSB
nGENERAL SPECIFICATIONS
Description Specifications
Operating Temperature (-25) - 55°C / (-13) - 131°F,
Displayed: (-10) - 55°C / 14 - 131°F
Storage Temperature (-30) - 70°C / (-22) - 158°F
Humidity 35 - 85% relative humidity, no condensation
Device and RTC Backup 20 days (25°C / 77°F) by capacitor
RTC Accuracy 5 s / day (25°C / 77°F)
Noise Immunity 1000 Vpp, 1 μs, 30 - 100Hz, tested by noise simulator
Dialectric Withstand
Voltage
3750V AC~ > 1 min per EN60730-1 between the
following points:
Power/Input Terminals and Relay Output Terminals
Relay Output Terminal and Relay Output Terminal
All Terminals and the DIN 43880 Control box or
equivalent
Insulation Resistance
7 MΩ, 500VDC per EN60730-1 between the following
points: Power/Input Terminals and Relay Output
Terminals; Relay Output Terminal and Relay Output
Terminal; All Terminals and the DIN 43880 Control box
or equivalent
Vibration Resistance -
Direct Mounting
Conforms to IEC 68-2-6; 10-57 Hz: 0.15 mm
Constant Amplitude 57-150 Hz: 19.6 m/s²
Acceleration Sweep Count for X, Y, Z: 10 times
(80 minutes in each direction)
Vibration Resistance -
DIN Rail Mounting
Conforms to IEC 68-2-6; 10-57 Hz: 0.075 mm
Constant Amplitude 57-150 Hz: 9.8 m/s²
Acceleration Sweep Count for X, Y, Z: 10 times
(80 minutes in each direction)
Shock Resistance Conforms to IEC 68-2-27: 147m/s² Acceleration,
Action Time: 11 ms 3 times in each direction X, Y, Z
Type of Action EN60730-1, Section 6.4.3 - Type 1C (Relay Output)
Software Class EN60730-1, Section H6.18 - Class A
Purpose of Control EN60730-1, Section 2.2 - Electrical Control
Construction of Control EN60730-1, Section 6.15 - Incorporated Control
Whether the Control is
Electric EN60730-1, Section H2.5.7 - Electronic Control
Safety Class II
Protection IP20
Temperature for the Ball
Pressure Test 75°C (167°F)
Pollution Degree 2
Operation Ambiance To be free of corrosive gases. Dust should be minimal
Electrical Isolation Reinforced primary / secondary insulation
Grounding None
EC Directive: EMC EN61131-2:2007; EN60730-1:2011
EC Directive: LVD EN61131-2:2007; EN60730-1:2011
Certification of UL/cUL File number: E95239
nOUTPUT SPECIFICATIONS
Description Relay Specification
Switched Voltage 250VAC~ or less, 30VDC or less
Max.
Resistive
Load
AL2-10MR-_ (O01 - O04)
8A/COMAL2-14MR-_ (O01 - O06)
AL2-24MR-_ (O01 - O04)
AL2-24MR-_ (O05 - O09) 2A/point (4A/COM)
Contact
Life Cycle /
Resistance
Load
AL2-10MR-_ (O01 - O04) 100,000 Cycles at 8 Amps /
240VAC~ or 24VDC
AL2-14MR-_ (O01 - O06)
AL2-24MR-_ (O01 - O04)
AL2-24MR-_ (O05 - O09) 100,000 Cycles at 2 Amps / 240VAC~
or 24VDC
Minimum Load 50mW (10mA at 5VDC)
Max.
Inductive
Load
AL2-10MR-_ (O01 - O04) 249 VA (1/3 hp) / 125VAC~,
373 VA (1/2 hp) / 250VAC~
AL2-14MR-_ (O01 - O06)
AL2-24MR-_ (O01 - O04)
AL2-24MR-_ (O05 - O09) 93 VA (1/8 hp) / 125VAC~,
93 VA (1/8 hp) / 250VAC~
Response Time ≤ 10 ms
Operation Indication Liquid Crystal Display
Isolation Circuit By Relay
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6. SYSTEM MENU
6.1 MENU OPTIONS INSTRUCTIONS
There are Systems Menus to help guide the user through the options
available in the Alpha2. The Top Menu has a Run Mode that is
accessed while the Alpha2 is in operation or a Stop Mode that is
accessed when the Alpha2 is idle.
The Edit Menu and the Function Block Edit Menu can be accessed
when in either ProgEdit or Monitor. These menus can be used to create
and/or change programs steps or values.
Use the “OK” key to enter a programming option or to enter data into
memory. Set all the data on the screen before using the “OK” key to
write the data to the system memory. The “ESC” key will move the
screen back to a higher menu option. It will cancel any data input that
has not been accepted with the “OK” key.
6.2 THE STOP MODE
6.2.1 TOP MENU
When the Alpha2 is first turned On, the Input/Output Image Table will
appear. Press the “OK” and “ESC” keys simultaneously to move to the
TopMenu. (If the TopMenu cannot be accessed the Menu Key has
been set to “Not Use”).
• RUN Places the controller in Run mode.
• PARAMETER Provides a simple method to edit Time Switches
(TSm), Short Message Receive (SMRm) and Call Detect (CDm)
from the Top Menu.
• PROGEDIT Allows program editing/creation on the display using the
front panel keys. The current memory will be overwritten as changes
are made to the program. Programs can be saved in the AL-PCS
software.
• CLOCKSET Set the Real Time Clock or input a daily clock
adjustment.
• LANGUAGE Choose from 7 onscreen languages: English, German,
French, Italian, Spanish, Swedish, or Russian.
• OTHERS...
 VERSION Displays CPU Version of the Alpha2 Series Controller.
 SCAN TIME Monitor the Current, Maximum, or Minimum program
scan times. Upon controller reset current, Maximum and Minimum
values for scan times are reset to 0.
 PASSWORD Restrict entry to the ProgEdit and Monitor mode with
a four digit password.
 DISPPASS Set up to three Passwords for Display function blocks.
 MENU KEY Two settings are possible, “Not Use” or “OK + ESC”.
“Not Use” is designed so that unauthorized people cannot access
the Alpha2 Top Menu in Run mode. If the “OK + ESC” key setting
is selected, simultaneously depress the “OK” and the “ESC” keys
to access the Top Menu.
 SUMMERTIME Choose the preferred daylight savings time:
Cancel, Manual On, Date Type, UK type, US type, or EU type.
 SERIAL COM Choose the type of communication to be used for
the right hand side serial communication port - Not Use, Modem,
GSM or Other Com.
 LIGHT TIME Set the backlight off delay time.
 PROGCLEAR Completely clears the system memory including
Password protected programs
6.3 THE RUN MODE TOP MENU
When the Alpha2 program is running, the LCD defaults to the Image
Table screen. According to the Menu Key setting, proceed to the Stop
Mode of the Top Menu by using the “OK” and the “ESC” keys or reset
the controller by powering down.
• STOP Takes the Alpha2 out of Run mode.
• SETUP TS Provides a simple method to edit Time Switches from the
Top Menu.
• MONITOR Monitor the program settings while in the Run mode and
perform limited editing to FB parameters. The existing programming
steps cannot be modified.
TOP MENU is not Displayed in Run Mode The menu key should be
operated to access the Top Menu. Push the keys “OK” and “ESC” at the
same time.
CAUTION: Perform the forced stop operation only after thoroughly
checking that it is safe to do so. Damage to the machine or controller
or a safety issue could arise if the forced ON/OFF is performed
inappropriately. If proper precautions are not taken, damage to the
equipment or machine failure may occur.
nFORCED STOP OPERATION
1. Turn the Alpha2 series power supply off.
2. Turn the power ON again while pushing the “OK” and “ESC” keys
simultaneously. The option to place the controller in Stop mode will
be available for approximately five seconds. Press the “OK” key to
enter the Stop Mode. If no key is pressed, the controller will default
back into the Run mode.
3. Press “ESC” key. The “Run Mode Top Menu” is displayed
6.4 THE EDIT MENU
The Edit Menu can be entered when the Alpha2 is in the ProgEdit or
Monitor main programming screen. If entering options or connecting
FBs, these procedures have to be finished or canceled before the Edit
Menu can be entered. Press the “ESC” key at any place in the main
programming screen to enter the Edit Menu.
• PROGSIZE Shows the numbers of FBs used and percentage of
program memory used.
• JUMP Leads to a screen that shows available places to go in the
program. “M” - system bits; “I” - system Inputs; “O” - System Outputs;
“K” - Keys (1-8); “E” - ASi Inputs; “A” - ASi Outputs; “N” - Control bits;
“EI” - External Board inputs; “EO” - External Board outputs; and “B”
- Function Blocks existing in the program. Choose the desired block
with the arrow keys and press the “OK” key to jump to that spot in
the program.
• NEW FB Create a new Function Block from one of the available FBs.
• EXIT Exits to the Top Menu.
• MNEMONIC Gives a mnemonic display of the current programming
rung. Enter the programming mode by pressing the “OK” key or
return to the Edit Menu using the “ESC” key. (Not available in Monitor
Mode).
6.5 THE FUNCTION BLOCK EDIT MENU
The Function Block Edit Menu can be entered only while in the
ProgEdit or Monitor mode. Move to the Function Block to edit and press
the “OK” key when the Function Block number is flashing.
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• SETUP FB Set variables in the Function Blocks for your application.
• CHANGE NO Change the Function Block Number
• DELETE FB Delete Selected Function Block
6.6 OPTION SCREEN SETUP
Various options have been provided for ease of use or for safety
purposes. All of the options in this section can be accessed from
either the Run or the Stop Menu.
6.6.1 CHANGE THE LANGUAGE SETTING
1. Turn the Alpha2 On.
2. Press the “OK” and “ESC” buttons simultaneously to go to the
TopMenu or reset the controller.
3. Scroll to the “LANGUAGE” option and press the “OK” key. The
TopMenu entry “LANGUAGE” is common for all languages.
4. Scroll to the desired language and press the “OK” key. The
languages available are English, German, French, Italian, Spanish,
Swedish, and Russian
5. Use the “ESC” key to exit to the Topmenu.
6.6.2 ClockSET
nTO SET THE CLOCK
1. From the TopMenu, scroll to “ClockSet” and press the “OK” key.
2. From the options that appear, choose “ClockSet” and press the “OK”
key.
3. Use the arrow keys to move to an area that needs to be changed.
4. Adjust with the “+” or “-” keys.
5. Repeat steps 3-4 until ALL changes have been completed.
6. Press the “OK” key to accept all the changes or the “ESC” to
discards the changes.
7. Press the “ESC” key to return to the Top Menu.
nTO SET THE DAILY CORRECTION
1. From the TopMenu, scroll to “ClockSet” and press the “OK” key.
2. From the options that appear, choose “Correct” and press the “OK”
key.
3. Set the daily correction time with the “+” or “-” keys.
4. Press the “OK” key to accept the value and press the “ESC” key to
return to the Top Menu.
CAUTION: When setting the Real Time Clock or inputting a daily clock
adjustment please change the mode to Stop.
NOTE: The date setting can be displayed as yyyy/mm/dd, dd/mm/yyyy,
or mm/dd/yyyy by manipulating the “+” and “-” keys.
6.6.3 PASSWORD
The password consists of four digits and will prohibit entry into the
ProgEdit, Monitor, Disp Pass and Serial Com modes only. All other
menu options can be accessed when a Password is used.
nTO ENTER A PASSWORD
1. Select “Others...” Menu Option.
2. Select “Password” from the “Others...” Menu Options
3. Use the “+” and “-” keys to enter the desired password.
4. Press the “OK” key to accept and activate the password.
5. A key symbol will now be displayed at the top of the Alpha2 display.
nTO CANCEL A PASSWORD
1. Select the “Others...“Menu Option”.
2. Select “Password” from the “Other” Menu Options. “Cancel
Password” should appear on the top of the screen.
3. Use the “+” and “-” keys to enter the current password.
4. Press the “OK” key to accept and deactivate the password.
5. The key symbol will be removed from the Alpha2 display.
NOTE: The Password can also be set/deleted from the AL-PCS
software or deleted by the “PROGCLEAR” command
6.7 BLOCK ITEMS
Each block item contains an individual diagram that shows the block
number, available number of input pins, the output pin if applicable,
and the block mnemonic. Connections between blocks can be viewed
at the pin locations when connected blocks are shown individually on
the LCD.
6.7.1 Input Blocks
The Input Blocks consist of System Inputs (I01 - I15), Key Inputs
(K01-K08), System Bits (M01-M24) or Link Inputs (E01 - E04). The input
number is shown in the top right hand corner, the type of input in the
lower right hand corner, and the output pin is shown on the far right of
the block. Input Blocks provide information to the Function Blocks or
Outputs.
6.7.2 Function Blocks
The individual Function Blocks are described in detail in Chapter 9. The
number and block mnemonic are shown in the top right and bottom
right locations respectively.
6.7.3 Output Blocks
Output Blocks have one input and one output pin. They only have the
capacity for one input signal through the input pin. The Output Block
number and Mnemonic are shown in the top right and lower right hand
corner of the diagram respectively.
6.7.4 Connected Blocks
Blocks that are connected can be shown simultaneously onscreen.
The block providing the output signal will be shown on the left of the
screen. The input pin accepting the signal will flash. Any input pin that
is already connected will be shown as a solid triangle.
7. DIRECT PROGRAMMING
The Alpha2 can be programmed using the front panel keys on the
Alpha2 series controller. The following sections will describe how to
connect/disconnect function blocks, set program parameters, add
Function Blocks, and move around within the program.
The ProgEdit mode in the Stop Menu has full programming capability.
The Monitor mode in the Run Menu has the capability to manipulate
Function Block values and settings but cannot edit, change, or delete
the existing programk.
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7.1 BLOCK AVAILABILITY
• The number of System Inputs and Outputs is determined by the type
of controller being programmed. Configurations include 6 In/4 Out, 8
In/6 Out and 15 In/9 Out.
• Up to 200 Function Blocks can be used in a program or 5000 bytes
of memory. The Function Blocks must be added in the course of
programming.
• The 8 Keys and the 24 system M bits are automatically available for
every program.
• Inputs, Outputs, System Memory Bits, Extended Inputs, Extended
Outputs, AS-i Outputs, Control Bits, and Keys do not count in the
Function Block total.
7.2 CONNECTING BLOCKS
• Any block that has an output pin can be connected to any block that
has an (unused) input pin.
• System Inputs, Keys, and Memory M bits have output pins only.
• Function Blocks and Outputs both contain input and output pins (the
Display and TimeSwitch Blocks are exceptions).
• Blocks can be connected beginning with an output pin, from “left to
right” on the display, or beginning with an input pin, from “right to left”
on the display.
7.2.1 To connect the blocks from the left to right
1. Select the block providing the data to be output and move to the
right until the output pin is flashing. Press the “+” button to “add” a
block.
2. Choices will appear on the right side of the screen that include
System Outputs (if available), existing Function Blocks that have free
input pins, and the option to add a new function block (AddFB, see
section 7.4.2). Scroll to the preferred option and select using the “OK”
key.
3. The block accepting the signal will display as many of its input pins
as possible. Pins that have been used will show as filled triangles;
pins that are open will show as “>” signs. A “Connect” prompt will
appear on-screen. The current input choice will flash. Scroll to
the desired pin and press the “OK” key to accept. The process is
complete.
7.2.2 To connect the blocks from the right to left
1. Select the block that will be receiving the signal and move left until
an input pin is flashing. Scroll to the desired unused input pin (“>”).
Press the “+” key to begin the connection process.
2. Because output pins may have multiple connections, all the Keys,
Function Blocks, System Inputs, Outputs will show on the left of the
screen as well as an option to “AddFB”. Scroll to the preferred option
and Press the “OK” key.
3. The chosen connection will be flashing on-screen along with the
“Connect” prompt. Press the “OK” key to accept.
7.3 DISCONNECT TWO BLOCKS
1. Move to the connection that is to be disconnected.
2. Enter “-” as the disconnect command.
3. A “Disconnect” prompt will appear on-screen. Press the “OK” key to
accept the disconnect
7.4 METHODS TO CREATE A FUNCTION BLOCK
7.4.1 New FB
To use the New FB option, proceed to the Edit Menu (Chapter 6.4)
using the “ESC” key. Scroll to the New FB option and press the “OK”
key. Scroll to the desired Function Block and press the “OK” key to
create a New FB. The block will appear on the Function Block Diagram
board.
7.4.2 AddFB
When connecting a Function Block, scroll to the AddFB prompt and
press the “OK” key. This invokes the Function Block list. Scroll to the
desired Function Block and choose by pressing the “OK” key. The
Function Block will be shown on the screen with the connecting block.
7.5 FUNCTION BLOCK EDITING
7.5.1 Setup Function Block
Each Function Block has its own individual parameters outlined in
Chapter 9. The Function Blocks might have multiple data screens that
can be altered. As with other menu options, the “ESC” key will move
the screen back to a higher menu option without changing the option
parameters for that screen. If there are multiple data screens in an
option, enter the required data and accept each screen using the “OK”
key. Use the “ESC” key to exit the Function Block.
7.5.2 Change No. of a Function Block
The current FB number is shown on-screen when the option is
selected. Scroll up or down with the “+” or “-” keys to find an open FB
number. Press the “OK” key to accept the new number.
7.5.3 Delete FB
This menu option will Delete the current Function Block. After the
Delete FB is chosen, confirm the delete operation with “OK” or use the
“ESC” key to cancel the function. All connections to the Function Block
will be removed with the block.
7.6 MOVEMENT BETWEEN FUNCTION BLOCKS
7.6.1 Movement Between Unconnected Blocks
Movement between System Inputs, System Outputs, Keys, and M bits
can be accomplished with the “+” and “-” keys. When the block number
is flashing on-screen, press the “+” or “-“ key to scroll through the block
numbers. The scroll will go through to the next block after reaching the
highest or lowest number for that block.
7.6.2 Movement Between Connected Blocks
The arrow keys are used to move between connected blocks.
7.6.3 The Jump Command
• The “ESC” key can be used to enter the Edit Menu at any time when
a function block is displayed on the LCD screen. (The “ESC” key will
cancel in-process commands first. Keep pressing the “ESC” key until
the Edit Menu is displayed).
• From the Edit Menu, select the Jump Command. Choose any system
Memory Bit, Input, Output, Key, AS-i Input, AS-i Output, Extended
Input, Extended Output, or existing Function Block by using the front
panel keys.
• Press “OK” to “Jump” to the chosen block in the programming mode.
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7.7 USING KEYS AS INPUTS
The keys on the controller can be used as Manual Inputs. The
programmed Key(s) will give an output signal for as long as the key is
depressed.
7.8 THE MONITOR MODE
Function Block values and Output status can be manipulated from the
Monitor option. When placed in the Run mode, the Alpha2 defaults
back to the I/O status screen. Press the “ESC and OK” keys together
to enter the Top Menu and then enter Monitor. The program will now be
displayed on-screen.
7.8.1 Monitor/Update Function Block Values
• Move to the function block to monitor and enter Setup FB. The
Function Block Values can be updated and monitored.
• Changes to current values will be valid only while in Monitor Mode.
• Changes to Set point data and the comparison values will be written
to the system memory.
7.8.2 Forcing Outputs ON/OFF
Outputs can be forced ON/OFF if there is no direct conflict with
the program. To force an Output On, proceed to the Output name
and number and press the “OK” key. A solid rectangle will appear
underneath the block number to signify that the block is ON. Input pins
will have a smaller solid block next to their arrow to show that they are
activated.
Type Symbol Forcing Condition
Input
I 1
EI 1
E 2
Output
O 2
EO 2
A 2
Key K 3
System Bit M 3
Control Bit N 2
Function Block B 3
1. It is possible to force ON/OFF, however, the status is decided by
hardware control.
2. It is possible to force ON/OFF, however, the status is decided by
programming control.
3. It is possible to force ON/OFF. Only some FB, however, the status is
decided by programming control.
Note: It is not possible to Add or Delete Function Blocks while in the
Monitor mode.
8. PROGRAMMING USING AL-PCS
8.1 OUTLINE
The software package AL-PCS is a programming tool designed
to be used with the Alpha Series Simple Application Controllers
(Alpha2 series). The AL-runs on Microsoft®Windows®95, Windows®
98, Windows®Me, WindowsNT®Workstation 4.0, Windows®2000,
Windows®XP, Windows Vista®and Windows®7 (hereafter referred to
collectively as Windows®). The software has been designed to be both
powerful and user friendly. While many of the software features can be
learned intuitively, a detailed help file has been incorporated into the
software to assist users in finding answers to their questions.
8.2 SYSTEM CONFIGURATION
nDIRECT CONNECT WITH AL-PCS
nAL-232CAB
The AL-232CAB is an RS-232C cable used to connect an Alpha2
series controller and a personal computer that is running the
programming software (AL-PCS).
NOTE: AL-232CAB cable cannot be used for any other applications.
AL-232CAB cable rises about 40mm (1.57") above the top panel when
connecting to an Alpha2 series controller.
EXTERNAL DIMENSIONS
nCONNECTED TO AL-232CAB CABLE
Remove cover. Be careful of personal safety when removing the
Alpha2 cover.
CAUTION: Turn off the power supply when you install or detach the
AL-232CAB cable.
• Install the cover after removing the AL-232CAB cable.
• When installing the connector cover of Alpha2 series, be careful not
to pinch your finger.
• Please hold the protective case when detaching the cable. DO NOT
pull on the cord.
• DO NOT touch the following part when removing the cover or this
cable.
Alpha2 Series
Personal computer
(AL-PCS)
AL-232CAB
Alpha2
Series
side
0
Personal computer side
(9-pin D-Sub female)
*1 Set this signal to
high-level.
Dimensions: mm (inches)
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Removing the cover
Connecting the AL-232CAB cable
Removing the AL-232CAB cable
Installing the cover
8.3 INSTALLING AND STARTING AL-PCS
This section describes how to install the AL-PCS programming
software package and to connect the Alpha2 Series Controller to the
Personal Computer. The Operation System requirements are outlined
and the equipment necessary to make all proper connections are
detailed.
8.3.1 System Requirements
The AL-PCS is designed to be installed on a computer that meets
or exceeds the following specifications. Please check whether your
personal computer meets these requirements prior to the software
installation.
Personal Computer Requirements
Item Description
Operating System
Microsoft®Windows®95, Windows®98, Windows®
Me, WindowsNT®workstation 4.0, Windows®2000,
Windows®XP*2, Windows Vista® *2 and Windows®7 *2
CPU *1 Pentium 133 MHz or more (recommended)
Hard Disk 10 MB of free capacity
Memory *1 32 MB or more (recommended)
CD-ROM Drive Required for Setup
Pointing Device Mouse or other pointing device
Display *1 SVGA (800 x 600) 256 colors or more (recommended)
RS-232C Serial Interface
1 port or more
The RS-232C serial interface must be assigned to a
COM port (COM1 to COM10)
1. Take care that the used computer meets or exceeds the CPU,
memory and display specifications outlined by the OS.
2. Only the 32 bit version of this operating system is supported.
8.3.2 Installing AL-PCS
Note that this software cannot be run from the install CD. It must be
installed onto hard-drive and subsequently run from the drive.
To install AL-PCS:
1. Restart Windows®, and do not start-up any other applications.
2. Insert the SW0D5C-ALVLS-E CD into CD-ROM drive.
3. Execute “setup.exe.”
4. During the SW0D5-ALVLS-E Setup dialog box, click “NEXT”
whenever ready thus proceeding to the next panel.
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5. If the destination folder need to be changed for the AL-PCS
component files, click “Browse”, and use the browser to locate the
appropriate destination.
6. Click “NEXT”.
7. If the Program folders need to be changed for the AL-PCS, enter
the program folder name. Note: When using on Windows Vista®and
Windows®7, If the destination folder changes to an arbitrary folder
(user created), it is not necessary to start the program via “Run as
Administrator”. For starting AL-PCS refer to section 8.4.
8. Click “NEXT” to begin the installation. When the process is complete,
a message will follow indicating the successful installation of the
AL-PCS software.
9. Select “Yes, I want to restart my computer now”, and Click “Finish” to
restart your computer.
8.4 STARTING AL-PCS
This software cannot be run from the install CD. It must be installed
onto hard-drive and subsequently run the software from the drive.
nTO START AL-PCS:
Click the “Start” menu, choose “Program” g“Mitsubishi Alpha
Controller”, and click the name of the program you want to start.
NOTE: “All Programs” appears in Windows®XP, Windows Vista®
and Windows® 7. It is possible to also double-click a program icon
(shortcut) to begin start-up.
CAUTION: Starting AL-PCS on Windows Vista®and Windows®7.
When starting on Windows Vista®and Windows®7, AL-PCS must be
started by following method.
• If it starts by other methods, AL-PCS does not operate correctly.
• Run AL-PCS as an administrator
When starting by the Start menu and program icon (shortcut), it
starts by “Run as Administrator” in the menu of a right-click. (Refer to
the section below on “How to run AL-PCS as an administrator”).
• Installation to the arbitrary folder (user created)
The installation destination of AL-PCS is installed in the arbitrary folder
(user created). The starting method is the same as Windows®X P.
nHOW TO RUN AL-PCS AS AN ADMINISTRATOR
When starting through the Start menu or through a program icon
(shortcut), right-click on the program icon or menu item and select
“Run as Administrator.”
START MENU
SHORTCUT
NOTE: When user account control is enabled in Windows Vista®and
Windows®7 the following dialog box appears when starting.
Click “Allow.”
NOTE: With Windows Vista®and Windows®7, all users can run
AL-PCS as an administrator by the following method.
1. Right-click the “Alpha Programming” in Start menu, and choose
“Properties”. “Alpha programming Properties” dialog box appears.
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2. Select “Compatibility” tab, and then click “Show settings for all users”
button. “Vls Properties” dialog box appears.
NOTE: “User Account Control” dialog box appears when user account
control is enabled. Click “Continue“ button.
3. Click “Run this program as an administrator” check-box to add check
mark, and then click “OK” button. “Vls Properties” dialog box closes.
4. Click “OK” button to complete setting. “Alpha programming
Properties” dialog box closes.
8.5 USING THE HELP FILES IN AL-PCS
The AL-PCS includes a powerful package of help files to guide the user
through the programming options. Use the F1 key, or click the help
icon, or use the Help pull down menu to access the help files.
NOTE: When using Windows Vista®and Windows®7
When Help is run using Windows Vista®and Windows®7, the following
“Windows Help and Support” screen may appear, and the Help screen
is not displayed.
Perform the following procedure to install “WinHlp32.exe” which is
needed to display the Help screen. (NOTE: The personal computer
needs to be connected to the internet.)
1. Click the Help button.
2. The screen shown below opens. Click the displayed link.
3. The Microsoft Support Knowledge Base page opens.
(http://support.microsoft.com/kb/917607/en-us)
Follow the instructions and download the Windows Help program for
Windows Vista®and Windows®7 (WinHlp32.exe).
4. Install the downloaded file.
nTHE F1 KEY
The F1 key will provide specific help on a highlighted object.
Click a system component on the FBD base to highlight it and
press the F1 Key to bring up a dialog screen. To receive Help on a
command, move to the command with the mouse until the instruction
is highlighted. Use F1 to access the Help dialog box before using the
command.
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nTHE CONTEXT HELP
The Context Help command can provide help with Toolbars and
associated commands. When choosing the Toolbar’s Context Help
button or pushing the “Shift” + “F1” key, the mouse pointer will change
to an arrow and question mark. Then click on the item needing
clarification in the application window. The Help topic will be shown for
the item you clicked.
nHELP IN MENU BAR
It is possible to also get Help by clicking “Contents” and “Search for
Help on...” (Help menu). Upon entering the Help menu the options list
will be shown.
When “Search for Help On...” or “How to Use Help...” is chosen, three
tabs will appear on top of the window. These tabs can be used in
addition to the Help files available on the display.
nTHE CONTENTS COMMAND OR TAB
The contents menu allows the user to choose from the following
categories or chapters. When an option is chosen, the main topics
available for that category pop up on screen. Choose the desired topic
to bring up a dialog box. Words or phrases that are highlighted in green
contain addition information in another dialog box. Click on the
highlighted text to view its dialog box.
nSEARCH FOR HELP ON...
It is possible to search the informations and instruction for using
AL-PCS or various pieces of reference information from the desired
categories.
To search for Help:
1. Clicking “Search for Help On...” in the help menu to bring up the
opening Help window.
2. Click on the desired category to bring up information and
instructions for using AL-PCS or various pieces of reference
information.
nTHE INDEX TAB
The windows provides information on index topics. Type the first few
letters of the required topic or scroll to the topic in the index list.
nTHE FIND TAB
The Find tab generates a list of key words on the AL-PCS and lets you
search for help on those words. A matching words directory gives an
option to narrow the number of matches found. A third directory lists
the topics in which your word appears.
nFIND SETUP WIZARD
At first, the Find tab needs to be setup. Perform the setup in
accordance with the Find Setup Wizard.
To setup Find tab:
1. Choose “Minimize database size (recommend)”, and click “NEXT”.
2. Click “Finish” to start creating the word list of AL-PCS.
Context Help button
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nHOW TO USE HELP
Gives detailed information on “How to Use Help” and Customize
the Help settings for the users convenience. Topics include finding,
copying, viewing, and printing help files and manipulating the data in
dialog boxes. Learn how to change the color or font size of a dialog
box, add comments, or bookmark especially useful information.
9. FUNCTION BLOCKS
9.1 LOGIC FUNCTION BLOCKS
• Logic Function Blocks operate by reading whether signals are ON or
OFF and then setting the status of their Outputs accordingly.
• There are six types of logic blocks available in the Alpha2 Series -
AND, OR, NAND, NOT, NOR, XOR.
• Analog signals cannot be processed by the Logic blocks.
• The logic FB have no parameters.
Boolean Logic Function Blocks
Logic
Block
State
Logic Block
Displayed Description Memory
Use
AND
0 0
AND
2
3
O
4
1
This function executes logical AND operation on
given input signals. The input signals connected
should be of bit input type only. 4 Bit input pins
and 1 Bit output pin. If all the inputs are ON then
the output is ON, otherwise output is OFF.
19 Byte
OR
0 0
O R
2
3
O
4
1
This function executes logical OR operation on
given input signals. The input signals connected
should be of bit input type only. 4 Bit input pins
and 1 Bit output pin. If all the inputs are OFF
then output is OFF, otherwise output is ON.
19 Byte
NOT
0 0
N T
1O
This function executes logical NOT operation on
given input signal. The input signal connected
should be of bit input type only. 1 Bit input pin
and 1 Bit output pin. Output is negation of Input
given.
10 Byte
XOR
0 0
X O R
1
2
O
This function executes logical XOR operation on
given input signals. The input signals connected
should be of bit input type only. 2 Bit input pins
and 1 Bit output pin. If both inputs are either
OFF or ON then out put is OFF, otherwise
output is ON.
13 Byte
NAND
0 0
NAN D
2
3
O
4
This function executes logical NAND operation
on given input signals. The input signals
connected should be of bit input type only. 4 Bit
input pins and 1 Bit output pin. If all the inputs
are ON then output is OFF, otherwise output
is ON.
19 Byte
NOR
0 0
N O R
2
3
O
4
1
This function executes logical NOR operation on
given input signals. The input signals connected
should be of bit input type only. 4 Bit input pins
and 1 Bit output pin. If all the inputs are OFF
then out put is ON, otherwise output is OFF.
19 Byte
9.2 ADDITIONAL FUNCTION BLOCKS
The Alpha2 series controller is fundamentally based on function block
programming. The blocks provide a wide range of possible operations
and have been preprogrammed for ease of use. Some Function Blocks
have parameters that can be tailored to meet individual requirements in
the programs.
Logic
Block
State
Logic Block
Displayed Description Memory
Use
Boolean
[BL]
0 001
LB
O2
3
4
PThe Boolean Function Block uses Boolean
algebra to control the ON/OFF state of an
output. An operational expression consists of
either the AND, OR, XOR or NOT form.
*1
Set/
Reset
[SR]
0 00
RS
OS
R
P
The Set/Reset Function Block either holds
an output ON (set) or releases the output
OFF (reset.) Priority can be given to either
input pin if both inputs have been energized
simultaneously. The default priority setting is
dedicated to the reset input pin.
14 Byte
Pulse
[PL]
0 00
LP
OI P
The Pulse Function Block sends a single pulse
to the output pin if the input pin receives either
an “ON to OFF”, “OFF to ON” or “ON to OFF”
And OFF to ON” input operation.
10 Byte
Alternate
[AL]
0 00
LA
OI
C
The Alternate Function Block is used to
reverse the ON and OFF state of the output as
and when the input pin receives a signal. The
output will be set ON when the input pin goes
high and remain ON until the input receives
the second rising edge.
13 Byte
Delay
[DL]
0 00
LD
OI
C
P
The Delay Function Block provides an ON
delay timer and an OFF delay timer. Time
intervals for either situation can be set. The
time unit can be set to 10ms, 100ms or 1s
increments.
19 Byte
One
Shot
[OS]
0 00
SO
OI
C
P
The One Shot Function Block awaits a signal
supplied to the input pin thereafter setting the
output according to the specified time. The
timing parameters control the state of the
output (depending on the priority setting). The
time unit can be set to 10ms, 100ms or 1s
increments.
17 Byte
Flicker
[FL]
0 00
LF
OI P
The Flicker Function Block changes the ON
and OFF state of the output according to a
preset flicker time. The time unit can be set to
10ms, 100ms or 1s increments.
19 Byte
Time
Switch
[TS]
0 00
ST
OP The Time Switch Function Block uses a
predefined time schedule to control the ON
and OFF status of the output.
*2
Time
Switch m
[TSm]
0 00
ST m
P
The Time Switch maintenance Function Block
uses a predefined time schedule to control
the ON and OFF status of the output. The
function block can be setup from the TopMenu
“Parameter” via the front panel keys.
*2
Counter
[CN]
0 00
NC
OI
C
P
The Counter Function Block increments the
current value by one as and when the input
pin receives a signal. When the current value
reaches the set value the output is set ON.
The counter current value is reset as and
when the clear pin receives an input.
16 Byte
U/D
Counter
[UD]
0 00U
DU
OD
C
P
P
The Up/Down Function block positively or neg-
atively increments the counter until a set value
is reached thereby setting the output ON. A
preset signal can also equal the set value
regardless of the current value for the function
block and thereby setting the output ON.
22 Byte
Compare
[CP]
0 00
PC
OI P
The Compare Function Block monitors the
current value of the input pin in relation to a
preset expression. The expression consists of
=, >, >=, <, <= or <>. If the compared value
satisfies the expression subsequently the
output pin is set on.
17 Byte
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Logic
Block
State
Logic Block
Displayed Description Memory
Use
Offset
Gain
[OG]
0 00
GO
I P
The Offset Gain Function Block is based
upon a linear function Y=A/B*X+C to which
the value obtained from an analog input
(X:A01-A08) is set.
22 Byte
Display
[DP]
0 00
PD
I P
The Display Function Block is used as an
interface between the user and the devices
held within the controller. Current values, timer
messages, user-defined messages can be
read.
*4
Zone
Compare
[ZC]
0 00
CZ
OI P
The Zone Compare Function Block identifies
whether the input value lies within a specified
upper and lower limited zonal area and if so
changes the status of the output accordingly.
20 Byte
Schmitt
Trigger
[ST]
0 00
TS
OI P
The Schmitt Trigger Function Block compares
an input value to preset high and low limits.
The output is ON when the input value
reaches the high limit and then falls below the
lower limit. The function only processes the
data when the function block is receiving an
input signal.
19 Byte
Hour
Meter
[HM]
0 00
MH
OI
C
P
The Hour Meter Function Block holds the
output status ON for a maximum of 32767
hours, 59 minutes and 59 seconds. If the input
pin is turned OFF the elapsed time will hold its
value until either the clear pin resets the time
or the input pin is turned ON again.
19 Byte
Speed
Detect
[SPD]
0 00
PS
OU
C
I
D
P
The Speed Detect Function Block is used to
count the incoming pulses max. 20Hz for a set
period of time. The upper and lower limits can
be set from -32768 to +32767 and the Period
interval’s set range is 1 to 32767 in 10ms
increments.
25 Byte
PWM
[PWM]
0 00
W
P
OI
M
P
The Pulse Width Modulation Function Block
changes the output status according to a set
period of time with a minimum of 100ms and
a maximum of 3276700ms in increments of
100ms. The percentage duty for the function
controls the amount of elapsed time before the
output status is changed.
16 Byte
PID
0
IP
O
A
C
E
D
P
0 0
The PID Function Block is the Alpha2
implementation of PID, a control method used
to obtain stable control over a system variable.
It is a equipped with an Autotuning function,
which automatically adjusts the Function Block
parameters for the specific application.
52 Byte
Reten-
tive
Alternate
[RAL]
0 00
LA
I
C
R
The Alternate Function Block is used to
reverse the ON and OFF state of the output as
and when the input pin receives a signal. The
output will be set ON when the input pin goes
high and remain ON until the input receives
the second rising edge. When the power is
turned OFF the function block will use the last
alternation operation to control the output.
13 Byte
Addition
[ADD]
0 00
DA
OI
D
PThe ADD Function Block is used to summate
two input values 20 Byte
Subtrac-
tion
[SUB]
0 00
US
OI
B
PThe SUB Function Block is used to subtract
two input values. 20 Byte
Multipli-
cation
[MUL]
0 00
UM
OI
L
PThe MUL Function Block is used to multiply
two input values. 20 Byte
Division
[DIV]
0 00
ID
OI
V
PThe DIV Function Block is used to divide
two input values. 20 Byte
Logic
Block
State
Logic Block
Displayed Description Memory
Use
Calcula-
tion
[CAL]
0 00
AC
OI
L
PThe CAL Function Block is used to perform a
calculation from the combination of different
Arithmetic function blocks.
*3
Shift
[SFT]
0 00I
TS
OT
S
RF
This Shift Function Block is used to transfer
the Shift Input status just before the Input
signal is set ON. It has a bit input pin, a shift
input pin, a set input pin, a reset input pin and
a bit output pin.
19 Byte
Random
One
Shot
[ROS]
0 00
OR
OI
S
C
PThe Random One Shot Function Block emits a
random length single pulse to the output. 19 Byte
Delayed
One
Shot
[DOS]
0 00
OD
OI
S
C
PThe Delayed One Shot Function Block emits
a single pulse after a controlled delay to the
output.
20 Byte
Delayed
Alternate
[DAL]
0 00
AD
OI
L
C
PThe Delayed Alternate Function Block
alternates the status of the output with each
pulse after a controlled delay.
16 Byte
Reten-
tive Set/
Reset
[RSR]
0 00
SR
S
R
R
P
The Set/Reset Function Block either holds an
output ON (set) or releases the output OFF
(reset.) Priority can be given to either input
pin if both inputs have been energized. The
default priority setting is dedicated to the reset
input pin. When the power is turned OFF the
function block will use the last set or reset
operation to control the output.
14 Byte
Control
Display
[CDP]
The Control Display Function allows the user
to control the LCD image screens. The func-
tion block can only be set in AL-PCS software
for Alpha2 Series Controllers. When control
bit N04 is ON, it is possible to control the
displayed User Screen.
*5
Connect
[ _B ]
00
B_
OI
0
The Connect function block is an internal
device used to show the memory used by
input bits, system bits, AS-interface bits, and
the operation keys. No function block appears
on screen or is shown as being used in the
“Memory Configuration Usage” dialog box. The
purpose is only to calculate the memory that is
used by the bits listed above.
10 Byte
System
Outputs
Control for external devices through relays and
transistors. 10 Byte
1. Number of bytes used = 19 + 1 x (Characters in equation)
2. Number of bytes used = 8 + 4 x (Number of time switches)
3. Number of bytes used = 30 + 1 x (Characters in equation)
4. Number of bytes used is decided by the displayed item.
Displayed Item Number of Bytes, Alpha2 Series
Characters 16 + 1 x (Each character displayed)
Analog, FB Value Value 17
Graph 23
Time, Date 14
Time Switch 17
5. Number of bytes used = 32 + 3 x (Number of screen)
6. Number of bytes used = 12 + 1 x (Characters in E-Mail address)
7. Number of bytes used = 37 + (Number of characters of setup commands)
Mitsubishi Electric Automation, Inc.

ALPHA2 QUICK START MANUAL
17
10. TROUBLESHOOTING
10.1 INPUT STATUS ERROR
• Place the Alpha2 controller in the Stop mode.
• Cycle the power to the equipment connected to the input terminals
and check if the input status is displayed correctly.
• If it is not correctly displayed, check the points below.
1. Check the wiring for the power supply and the inputs.
2. Check if the equipment used for the inputs corresponds to the
specifications in this manual.
NOTES ON USE
Do not connect a wire with a soldered end to an Alpha2 series terminal
due to poor contact and the possibility of the wire shearing.
10.2 OUTPUT STATUS ERROR
• Place the Alpha2 controller in the Stop mode.
• Force the outputs ON/OFF and check the operation of the outputs.
• Check that the program is written to perform per the desired results.
• If there is still an error, check the points below:
1. Check the wiring for the power supply and the outputs.
2. Check if the equipment used for the outputs corresponds to the
specification in this manual.
NOTES ON USE
Perform the forced ON/OFF operations only after thoroughly checking
that it is safe to do so. Damage to the machine or controller or a safety
issue could arise if the forced ON/OFF is performed inappropriately.
If proper precautions are not taken, damage to the equipment or
machine failure may occur.
10.3 TOP MENU IS NOT DISPLAYED
The menu key should be operated to access the Top Menu. Push the
keys “OK” and “ESC” at the same time. If the menu call key is not set,
use either the programming software to the Stop mode or do the forced
stop operation.
The Top Menu cannot be accessed from the keys. However, by cycling
the power supply and pressing the “OK + ESC” keys simultaneously
during the power up, the Top Menu will appear.
FORCED STOP OPERATION
1. Turn the Alpha2 series power supply off.
2. Turn the power ON again while pushing the “OK” and “ESC” keys
simultaneously. The option to place the controller in Stop mode will
be available for approximately five seconds. Press the “OK” key to
enter the Stop Mode. If no key is pressed, the controller will default
back into the Run mode.
3. Push “ESC” key.The “Top Menu” is displayed.
CAUTION: Perform the forced stop operation only after thoroughly
checking that it is safe to do so. Damage to the machine or controller
or a safety issue could arise if the forced ON/OFF is performed
inappropriately. If proper precautions are not taken, damage to the
equipment or machine failure may occur.
10.4 CANNOT ENTER RUN MODE
When the Alpha2 series will not switch to Run mode, check the
following.
1. The message “Input Error” or “Output Error” is displayed on the
screen. The program has more points of input and/or output than is
allowed in the controller body.
a) When making the program with the programming software.
The content of the program and the model are checked with the
programming software. Write the program to the Alpha2 series
controller.
2. The program data has an error.
When the program cannot be displayed with “ProgEdit” in “TopMenu”,
it is possible that the program data was damaged. Delete the
program and then write or install a new program.
10.5 INCORRECT CLOCK DATA
When approximately 20 days or more have passed since power was
supplied to the Alpha2 series, the time data is lost. In this case, the
time data should be set.
10.6 THE “?” APPEARS ON THE DISPLAY
The “?” mark is displayed when an unacceptable key is pressed
according to the screen data. Confirm the acceptable options and
press the appropriate key.
10.7 CANNOT USE AN OPERATION KEY
Check the movement of the operation keys according to the following
procedures when the Alpha2 series will not accept a key operation. If
the steps outlined in instructions (1) - (5) below can be performed, the
keys are operating properly. Please check if the key(s) are used in the
program.
1. Place the controller in the Stop mode.
2. Scroll through the Top Menu with “p” key or “ q” key.
3. Move the cursor to “ClockSet” with “p” key or “ q” key, and push the
“OK” key twice. The “ClockSet” screen is displayed.
4. Try to change the month/year data using the “t” key, “u” key, “+” key
and “-” key.
5. Push the “ESC” key.
10.8 INCORRECT LCD DISPLAY
Check the following items.
• If the character is displayed in reverse and the entire screen is black,
then the Alpha2 controller display has been damaged.
• An Unexpected Display Configuration is Shown
When the display does not appear as expected, please check the
following points in the program.
1. Adjust the position where each display function begins. Two separate
displays might have an overlapping display area that causes the
undesired result.
2. The character fails to display
 Check if the input pin to the Display Function Block is On.
 Check whether there is a conflict with another display.
Mitsubishi Electric Automation, Inc.

ALPHA2 QUICK START MANUAL
18
10.9 CANNOT COMMUNICATE WITH AL-PCS
Check the following items.
1. Check cable (AL-232CAB) connection. Refer to section 8.2 for the
connection method.
2. Check the power supply supplied to the Alpha2 series. Check the
wiring for the power supply. Be sure the specifications in this manual
are met.
3. Check whether the COM port of the PC matches the
“communication port” settings in the programming software.
Mitsubishi Electric Automation, Inc.

MITSUBISHI ELECTRIC AUTOMATION, INC.
500 Corporate Woods Parkway, Vernon Hills, IL 60061
Ph 847.478.2100 • Fx 847.478.2253
us.MitsubishiElectric.com/fa/en/support
January, 2016 • ©2016, Mitsubishi Electric Automation, Inc. •
Specifications subject to change without notice. • All rights reserved
AZ-JY992D97301-A
Mitsubishi Electric Automation, Inc.