Mitsubishi Electric FR-A8AX User manual

INVERTER
Plug-in option
INSTRUCTION MANUAL
PRE-OPERATION INSTRUCTIONS 1
INSTALLATION 2
CONNECTION DIAGRAM AND
TERMINAL 3
PARAMETER 4
FR-A8AX
16-bit digital input function

2
Thank you for choosing this Mitsubishi inverter plug-in option.
This Instruction Manual provides handling information and precautions for use of this product. Incorrect handling might cause an unexpected
fault. Before using this product, always read this Instruction Manual carefully to use this product correctly.
Please forward this Instruction Manual to the end user.
Electric Shock Prevention
Injury Prevention
Safety instructions
Do not attempt to install, operate, maintain or inspect the product until you have read through this Instruction Manual and appended
documents carefully and can use the equipment correctly. Do not use this product until you have a full knowledge of the equipment, safety
information and instructions. In this Instruction Manual, the safety instruction levels are classified into "Warning" and "Caution".
Incorrect handling may cause hazardous conditions, resulting in death or severe injury.
Incorrect handling may cause hazardous conditions, resulting in medium or slight injury, or may cause only material
damage.
The level may even lead to a serious consequence according to conditions. Both instruction levels must be followed
because these are important to personal safety.
Warning
While the inverter power is ON, do not open the front cover or the wiring cover. Do not run the inverter with the front cover or the wiring cover removed. Otherwise
you may access the exposed high voltage terminals or the charging part of the circuitry and get an electric shock.
Do not remove the inverter front cover even if the power supply is disconnected. The only exception for this would be when performing wiring and periodic
inspection. You may accidentally touch the charged inverter circuits and get an electric shock.
Before wiring or inspection, LED indication of the inverter unit operation panel must be switched OFF. Any person who is involved in wiring or inspection shall wait
for at least 10 minutes after the power supply has been switched OFF and check that there is no residual voltage using a tester or the like. For some time after the
power-OFF, a high voltage remains in the smoothing capacitor, and it is dangerous.
Any person who is involved in wiring or inspection of this equipment shall be fully competent to do the work.
The plug-in option must be installed before wiring. Otherwise you may get an electric shock or be injured.
Do not touch the plug-in option or handle the cables with wet hands. Otherwise you may get an electric shock.
Do not subject the cables to scratches, excessive stress, heavy loads or pinching. Otherwise you may get an electric shock.
Caution
The voltage applied to each terminal must be the ones specified in the Instruction Manual. Otherwise a burst, damage, etc. may occur.
The cables must be connected to the correct terminals. Otherwise a burst, damage, etc. may occur.
The polarity (+ and -) must be correct. Otherwise a burst or damage may occur.
While power is ON or for some time after power OFF, do not touch the inverter as it will be extremely hot. Touching these devices may cause a burn.
Warning
Caution
Caution

3
Additional Instructions
The following instructions must be also followed. If the product is handled incorrectly, it may cause unexpected fault, an injury, or an electric
shock.
Caution
Transportation and mounting
Do not install or operate the plug-in option if it is damaged or has parts missing.
Do not stand or rest heavy objects on the product.
The mounting orientation must be correct.
Foreign conductive objects must be prevented from entering the inverter. That includes screws and metal fragments or other flammable substance such as oil.
If halogen-based materials (fluorine, chlorine, bromine, iodine, etc.) infiltrate into a Mitsubishi product, the product will be damaged. Halogen-based materials are
often included in fumigant, which is used to sterilize or disinfest wooden packages. When packaging, prevent residual fumigant components from being infiltrated
into Mitsubishi products, or use an alternative sterilization or disinfection method (heat disinfection, etc.) for packaging. Sterilization of disinfection of wooden
package should also be performed before packaging the product.
Trial run
Before starting operation, each parameter must be confirmed and adjusted. A failure to do so may cause some machines to make unexpected motions.
Warning
Usage
Do not modify the equipment.
Do not perform parts removal which is not instructed in this manual. Doing so may lead to fault or damage of the product.
Caution
Usage
When parameter clear or all parameter clear is performed, the required parameters must be set again before starting operations. Because all parameters return to
their initial values.
Static electricity in your body must be discharged before you touch the product.
Maintenance, inspection and parts replacement
Do not carry out a megger (insulation resistance) test.
Disposal
The inverter must be treated as industrial waste.
General instruction
Many of the diagrams and drawings in this Instruction Manual show the inverter without a cover or partially open for explanation. Never operate the inverter in this
manner. The cover must be reinstalled and the instructions in the Instruction Manual must be followed when operating the inverter.

4
— CONTENTS —
1 PRE-OPERATION INSTRUCTIONS 6
1.1 Unpacking and checking the product..............................................................................................6
1.1.1 Product confirmation....................................................................................................................................... 6
1.2 Component names.............................................................................................................................7
1.3 Specifications.....................................................................................................................................8
2 INSTALLATION 9
2.1 Pre-installation instructions .............................................................................................................9
2.2 Installation procedure .......................................................................................................................9
2.3 Wiring................................................................................................................................................12
3 CONNECTION DIAGRAM AND TERMINAL 16
3.1 Connection diagram ........................................................................................................................16
3.2 Terminals ..........................................................................................................................................18
3.3 Code input example.........................................................................................................................19
4 PARAMETER 20
4.1 Parameter list ...................................................................................................................................20
4.2 Setting the parameter ......................................................................................................................21
4.2.1 Selection of input method (Pr.304)............................................................................................................... 21
4.2.2 Read timing operation selection (Pr.305) ..................................................................................................... 22
4.2.3 Bias and gain adjustment (Pr.300 to Pr.303) ............................................................................................... 24
4.2.4 Digital input unit selection (Pr.329)...............................................................................................................26
4.2.5 16-bit digital torque command (FR-A800 series only) ..................................................................................27
4.3 Precautions ......................................................................................................................................30

5
<Notes on descriptions in this Instruction Manual>
Connection diagrams in this Instruction Manual appear with the control logic of the input terminals as sink
logic, unless otherwise specified.

6PRE-OPERATION INSTRUCTIONS
1PRE-OPERATION INSTRUCTIONS
1.1 Unpacking and checking the product
Take the plug-in option out of the package, check the product name, and confirm that the product is as you ordered and intact.
This product is a plug-in option dedicated for the FR-A800/F800 series.
1.1.1 Product confirmation
Check the enclosed items.
Plug-in option
..................................................1
Mounting screws (M3 8 mm)
.....................2 (Refer to page 9.)
Spacer
....................2 (Refer to page 9.)

PRE-OPERATION INSTRUCTIONS 7
1
1.2 Component names
Symbol Name Description Refer to page
a Mounting hole Fixes the option to the inverter with screws, or installs spacers. 9
b Terminal block Used for connecting devices to input signals to the inverter. 12
c Switch for manufacturer setting Switch for manufacturer setting. D
o not change the initially-set status
().
―
d Connector Connects to the option connector of the inverter. 9
(a)
(a)
Front view Rear view
(a) (a)
(b)
(c)
(d)
X0
X1 X2 X3 X4 X5 X6 X7 X8 X9
X10
X11
X12 X13 X14 X15
DY

8PRE-OPERATION INSTRUCTIONS
1.3 Specifications
Types of digital input signals
3-digit or 4-digit BCD code
12-bit or 16-bit binary
Selection of digital input signals
On operation panel or parameter unit
Input current
5 mA (24 VDC) ... Per circuit
Input specifications
Relay contact signal or open collector input
Adjustment function
• Bias and gain
• Analog compensation input (set on operation panel)

INSTALLATION 9
2
2INSTALLATION
2.1 Pre-installation instructions
Check that the inverter's input power and the control circuit power are both OFF.
2.2 Installation procedure
Caution
With input power ON, do not install or remove the plug-in option. Otherwise, the inverter and plug-in option may be damaged.
To avoid damage due to static electricity, static electricity in your body must be discharged before you touch the product.
(1) Remove the inverter front cover. (Refer to Chapter 2 of
the Instruction Manual (Detailed) of the inverter for details
on how to remove the front cover.)
(2) For the two mounting holes (as shown in the next page)
that will not be tightened with mounting screws, insert
spacers.
(3) Fit the connector of the plug-in option to the guide of the
connector on the inverter unit side, and insert the plug-in
option as far as it goes.
(4) Fit the two locations, the left and right, of the plug-in
option securely to the inverter unit by screwing in the
supplied mounting screws. (tightening torque 0.33 N·m to
0.40 N·m) If the screw holes do not line up, the connector
may not be inserted deep enough. Check the connector.
Spacer
Spacer
Inverter side
option connector
Example of installation to connector 1

10 INSTALLATION
Spacer
Spacer
Spacer
Mounting screw
Mounting screw
Mounting screw
Spacer
Spacer
Spacer
Mounting screw
Connector 1Connector 2
Connector 3
Insertion positions for screws and spacers

INSTALLATION 11
2
NOTE
• When mounting/removing the plug-in option, hold the sides of the option. Do not press on the parts on the option
circuit board. Stress applied to the parts by pressing, etc. may cause a failure.
• Caution must be applied to mounting screws falling off when removing and mounting the plug-in option.
• Only one option can be used. When multiple options are mounted, priority is given to option connectors 1, 2 and 3 on
the inverter in this order, and options having a lower priority do not function.
• When the inverter cannot recognize that the option unit is mounted due to improper installation, etc., the protective
function (E.1 to E.3) is activated. A different indication will appear according to the mounted position (option connector
1 to 3).
• When removing the plug-in option, remove the two screws on the left and right, then pull it straight out. Pressure
applied to the connector and to the option board may break the option.
Mounted position Fault indication
Option connector 1
Option connector 2
Option connector 3

12 INSTALLATION
2.3 Wiring
(1) For the wiring, strip off the sheath of a cable, and use it with a blade terminal. For a single wire, strip off the sheath of the
wire and apply directly. Insert the blade terminal or the single wire into a socket of the terminal.
Strip off the sheath for the below length. If the length of the sheath peeled is too long, a short circuit may occur with neighboring
wires. If the length is too short, wires might come off.
Wire the stripped cable after twisting it to prevent it from becoming loose. In addition, do not solder it.
Crimp the blade terminal.
Insert wires to a blade terminal, and check that the wires come out for about 0 to 0.5 mm.
Check the condition of the blade terminal after crimping. Do not use a blade terminal of which the crimping is inappropriate, or
the face is damaged.
Cable sheath stripping length
Caution
After wiring, wire offcuts must not be left in the inverter. They may cause a fault, failure or malfunction.
Crumpled tip
Wires are not inserted
into the sleeve
Unstranded
wires
Damaged
WireWire
SleeveSleeve
0 to 0.5mm0 to 0.5mm

INSTALLATION 13
2
Blade terminals commercially available (as of February 2012. The product may be changed without notice.)
 A ferrule terminal with an insulation sleeve compatible with the MTW wire which has a thick wire insulation.
Cable gauge
(mm2)
Ferrule terminal model
Manufacturer Crimping tool
name
With
insulation sleeve
Without
insulation sleeve For UL wire 
0.3 AI 0,5-10WH — —
Phoenix Contact
Co., Ltd. CRIMPFOX 6
0.5 AI 0,5-10WH — AI 0,5-10WH-GB
0.75 AI 0,75-10GY A 0,75-10 AI 0,75-10GY-GB
1 AI 1-10RD A 1-10 AI 1-10RD/1000GB
1.25, 1.5 AI 1,5-10BK A 1,5-10 —
0.75
(for two cables) AI-TWIN 2 0,75-10GY — —
Cable gauge (mm2)Blade terminal
product number
Insulation
product number Manufacturer Crimping tool product number
0.3 to 0.75 BT 0.75-11 VC 0.75 NICHIFU Co.,Ltd. NH 69

14 INSTALLATION
•Wireremoval
Pull the wire while pushing the open/close button all the way down firmly with a flathead screwdriver.
(2) Insert the cable into a socket.
When using a single wire or stranded wires without a blade terminal, push the
open/close button all the way down with a flathead screwdriver, and insert the
wire.
Flathead screwdriver
Open/close button
Flathead screwdriver
Open/close button

INSTALLATION 15
2
NOTE
• When using stranded wires without a blade terminal, twist enough to avoid short circuit with a nearby terminals or
wires.
• Pulling out the wire forcefully without pushing the open/close button all the way down may damage the terminal block.
• Use a small flathead screwdriver (tip thickness: 0.4 mm/tip width: 2.5 mm). If a flathead screwdriver with a narrow tip
is used, terminal block may be damaged.
Commercially available product (as of February 2012. The product may be changed without notice.)
• Place the flathead screwdriver vertical to the open/close button. In case the blade tip slips, it may cause an inverter
damage or injury.
• When wiring cables to the inverter's RS-485 terminals while a plug-in option is mounted, take caution not to let the
cables touch the circuit board of the option or of the inverter. Otherwise, electromagnetic noises may cause
malfunctions.
Name Model Manufacturer
Driver SZF 0- 0,4 2,5 Phoenix Contact Co., Ltd.

16 CONNECTION DIAGRAM AND TERMINAL
3CONNECTION DIAGRAM AND TERMINAL
3.1 Connection diagram
Relay contact signal input
(sink logic )
Open collector signal input
(sink logic )
DY
FR-A8AX
Inverter
SD∗1
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
X1
X0
1s
10s
100s
1000s
X15
DY
FR-A8AX
PC∗1
Inverter
AY41 type transistor
output unit ∗2
∗2
Reading command
18
19
35
36
17
5
7
8
10
12
14
16
15
13
11
9
6
4
3
2
1
X14
X13
X12
X11
X10
X9
X8
X6
X5
X4
X3
X2
X1
X0
X7
1s
10s
100s
1000s

CONNECTION DIAGRAM AND TERMINAL 17
3
 Use terminal SD or PC on the inverter.
 AY41 type unit requires 24 VDC power.
Example of connection with the output module (AY41 type) of Mitsubishi programmable controller. For details on the output module, refer
to the Instruction Manual of the output module manual.
 The control logic is the same as that of the inverter.
When the logic of the inverter is changed, the option logic also changes. Refer to the Instruction Manual of the inverter for how to switch
the control logic of the inverter.
NOTE
• As the input signals are at low level, use two parallel micro signal contacts or a twin contact for relay contact inputs to
prevent a contact fault.
• A transistor of the following specifications should be selected for the open collector signal:
Electrical characteristics of the transistor used
·Ic10 mA
·Leakage current: 100 µA maximum
·VCE 30 V
·Ic10 mA, VCE (sat) voltage is 3 V maximum
Micro signal contacts Twin contacts

18 CONNECTION DIAGRAM AND TERMINAL
3.2 Terminals
 Torque command values can be input to the FR-A800 series only.
Terminal
location
Terminal
symbol Description
• FR-A8AX
Built-in
options
X0 to X15
Digital signal input terminal (frequency setting / torque command signal
terminal ).
Input the digital signal at the relay contact or open collector terminal.
(Refer to page 16.)
For the digital signal input, choose either BCD code or binary.
BCD code input is 3-digit (999 maximum) or 4-digit (9999 maximum).
Binary input is 12-bit (X0 to X11, HFFF maximum) or 16-bit (X0 to X15,
HFFFF maximum).
DY
Data read timing input signal.
Use when a digital signal read timing signal is necessary. When Pr.305
Read timing operation selection = "1", data is read only while the DY
signal is ON.
In addition, the X0 to X15 data before the signal is turned OFF is retained
by turning OFF the DY signal. (Refer to page 22.)
Inverter
SD
Common terminal (sink).
Common terminal for digital and data read timing signals.
Use terminal SD of the inverter.
PC
External transistor common (sink), common terminal (source).
Connect this terminal to the external power supply common terminal (+) of
a transistor output (open collector output) device, such as a programmable
controller, to avoid malfunction by undesirable current. When the source
logic is selected, this terminal is used as a common terminal. Use terminal
PC of the inverter.
X0
X1
X2
X3
X4
X5
X6
X7
X8
X9
X10
X11
X12
X13
X14
X15
DY

CONNECTION DIAGRAM AND TERMINAL 19
3
3.3 Code input example
The following table explains examples of terminal status and input value during BCD code input and binary input.
NOTE
• For BCD code input, the input value of each digit is from 0 to 9. When a value greater than 9 is input, it becomes
invalid and the last value is retained.
•WhenPr.304 Digital input and analog input compensation enable/disable selection = any of "0 to 4", X12 to X15
become disabled.
BCD code input (when the input value is 6325) Binary input (when the input value is HAB65)
Digit Terminal
name
Terminal input
status Input value Terminal name
Terminal input
status
Input value
(hexadecimal)
Input value
(decimal)
1
X0 ON
5
X0 ON
5
43877
X1 OFF X1 OFF
X2 ON X2 ON
X3 OFF X3 OFF
10
X4 OFF
2
X4 OFF
6
X5 ON X5 ON
X6 OFF X6 ON
X7 OFF X7 OFF
100
X8 ON
3
X8 ON
B
X9 ON X9 ON
X10 OFF X10 OFF
X11 OFF X11 ON
1000
X12 OFF
6
X12 OFF
A
X13 ON X13 ON
X14 ON X14 OFF
X15 OFF X15 ON

20 PARAMETER
4PARAMETER
4.1 Parameter list
The following parameters are used for the plug-in option (FR-A8AX).
The FR-A8AX does not function with the initial setting. When a value other than "9999" is set in Pr.304, digital input is enabled.
Set the following parameters according to applications.
 Parameters which can be displayed when the plug-in option (FR-A8AX) is mounted.
 For Pr.329, write is disabled during operation even when "2" is set in Pr.77. To change the parameter setting value, stop the operation.
Also, parameter clear is invalid.
 The initial values differ for the FM type and CA type of the inverter.
 The setting range of Pr. 304 differs according to the inverter used. (Refer to page 21)
 These parameters can be set for the FR-A800 series only.
Pr. Pr.
group Name Setting range
Minimum
setting
increments
Initial value Refer to
page
300  D600  BCD input bias 0 to 590 Hz 0.01 Hz 0 Hz 25
301  D601  BCD input gain 0 to 590 Hz, 9999 0.01 Hz 60 Hz/50 Hz  25
302  D602  BIN input bias 0 to 590 Hz 0.01 Hz 0 Hz 25
303  D603  BIN input gain 0 to 590 Hz, 9999 0.01 Hz 60 Hz/50 Hz  25
304  D604  Digital input and analog input
compensation enable/disable selection 0 to 4, 10 to 14, 9999  1 9999 21, 27
305  D605  Read timing operation selection 0, 1, 10 1 0 22
329 ,  D606 ,  Digital input unit selection 0, 1, 2, 3 1 1 26
447 ,  D620 ,  Digital torque command bias 0 to 400% 1% 0 27
448 ,  D621 ,  Digital torque command gain 0 to 400%, 9999 1% 150% 27
804  D400  Torque command source selection 0, 1, 3 to 6 1 0 27