Azbil C15 User manual

Thank you for purchasing an Azbil
Corporation product.
This manual contains information for
ensuring the correct use of this product.
It also provides necessary information
for installation, maintenance, and
troubleshooting.
This manual should be read by those
who design and maintain equipment
that uses this product. Be sure to keep
this manual nearby for handy reference.
No. CP-SP-1148E
Single Loop Controller
Model C15
User’s Manual
for
Installation & Configuration
(Not for use in Japan)

NOTICE
Be sure that the user receives this manual before the product is used.
Copying or duplicating this user’s manual in part or in whole is forbidden.
The information and specifications in this manual are subject to change
without notice.
Considerable effort has been made to ensure that this manual is free from
inaccuracies and omissions. If you should find an error or omission, please
contact the azbil Group.
In no event is Azbil Corporation liable to anyone for any indirect, special or
consequential damages as a result of using this product.
The quick reference guide on pages D-1 to D-8 summarizes key operations, parameters,
and settings, and gives concrete operation examples using illustrations. Try looking at these
pages first, and then read the main text for details.
A separate color version of the quick guide printed on dirt-resistant paper is available for
convenient use on the work site (document No. CP-SP-1213E). Contact the azbil Group or a
distributor for details.
Getting Up to Speed with model C15
© 2003–2020 Azbil Corporation. All Rights Reserved.
Modbus™ is a trademark and the property of Schneider Electric SE, its subsidiaries
and affiliated companies.

i
To reduce the risk of an electric shock that could cause personal injury,
follow all safety notices in this document.
This symbol warns the user of a potential shock hazard where hazardous
live voltages may be accessible.
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the
equipment must be impaired.
Do not replace any component (or part) not explicitly specified as replaceable by your supplier.
All wiring must be in accordance with local norms and carried out by authorized and experienced personnel.
A switch in the main supply is required near the equipment.
Main power supply wiring requires a (T) 0.2 A, 250 V fuse(s) (IEC 127).
z EQUIPMENT RATINGS
Supply voltages: 100 to 240 V AC (operating power supply voltage 85 to 264 V AC)
Frequency: 50/60 Hz
Power consumption: 12 VA max.
z EQUIPMENT CONDITIONS
Do not operate the instrument in the presence of flammable liquids or vapors.
Operation of any electrical instrument in such an environment constitutes a safety hazard.
Temperature: 0 to 50 °C
Humidity: 10 to 90 %RH (no condensation)
Vibration: 2 m/s
2
(10 to 60 Hz)
Over-voltage category: Category II (IEC60364-4-443, IEC60664-1)
Pollution degree: 2
Installation location: Indoors
Altitude: 2000 m or less
z EQUIPMENT INSTALLATION
The controller must be mounted into a panel to limit operator access to the rear terminal.
Specifications of common mode voltage: The common mode voltages of all I/O except for main
supply and relay outputs are less than 30 Vrms, 42.4 V peak and 60 V DC.
z APPLICABLE STANDARDS
EN61010-1,
EN61326-1 (For use in industrial locations)
During EMC testing, the reading or output may fluctuate by ±10 %FS.
Safety Requirements

ii
The safety precautions explained in the following section aim to prevent injury to the operator and others, and to
prevent property damage.
WARNING Warnings are indicated when mishandling this product
might result in death or serious injury.
CAUTION Cautions are indicated when mishandling this product
might result in minor injury to the user, or only physical
damage to the product.
In describing the product, this manual uses the icons and conventions listed below.
Use caution when handling the product.
The indicated action is prohibited.
Be sure to follow the indicated instructions.
Handling Precautions:
Handling Precautions indicate items that the user should pay attention to when handling
this device.
: This indicates the item or page that the user is requested to refer to.
Note: Notes indicate information that might benefit the user.
(1) (2) (3): Numbers within the parenthesis indicate steps in a sequence or parts in an explanation.
[para], [mode] etc.: These indicate keys on the keyboard of this unit, and messages and menus that appear
on the personal computer screen.
>> : Indicates the result of an operation or the status after operation.
Conventions Used in This Manual

iii
z Numeric value and character display on LED
Numeric values The 7-segment LED expresses numeric values as follows:
01234
56789
Alphabetical characters The 7-segment LED expresses alphabetical characters shown below. There
are some alphabetical characters, which are not displayed on the LED.
A B C D E
a b c d e
F G H I J
f g h i j
K L M N O
k l m n o
P Q R S T
p q r s t
U V Y Z –
u v y z
Handling Precautions
As shown above, numeric value“2” and alphabetic character “Z” are shown
in the same manner.
Accordingly, numeric value “5” and alphabetic character “S”, as well as
numeric value “9” and alphabetic character “Q” are also shown in the same
manner.

iv
Safety Precautions
WARNING
Do not use this device in an environment with conductive pollution, or with dry non-
conductive pollution which can become conductive due to condensation, etc.
Otherwise, problems such as tracking phenomena may damage parts, resulting in fire.
When wiring the power for this device, be sure to mount a shutoff switch for the main power
to this unit within reach of the operator.
In addition, when wiring the power for AC power models, install a time-lag (T) fuse (rated
current 0.2 A, rated voltage 250 V) as specified by IEC 127.
Otherwise, tracking phenomena or parts failure due to other factors may cause fire.
Do not disassemble this device.
Doing so might cause electric shock or faulty operation.
Before removing, mounting, or wiring this device, be sure to turn off the power to the device
and all connected devices. Failure to do so might cause electric shock.
Do not touch electrically charged parts such as the power terminals.
Doing so might cause electric shock.
CAUTION
Use this device within the operating ranges recommended in the specifications (temperature,
humidity, voltage, vibration, shock, mounting direction, atmosphere, etc.).
Do not block ventilation holes.
Doing so might cause fire or faulty operation.
Wire this device properly according to predetermined standards.
Also wire the device using specified power leads according to recognized installation
methods. Failure to do so might cause electric shock, fire or faulty operation.
Do not allow lead clippings, metal shavings or water to enter the controller case.
Doing so might cause fire or faulty operation.
Firmly tighten the terminal screws at the torque listed in the specifications.
Insufficient tightening of terminal screws might cause electric shock or fire.
Do not use unused terminals on this device as relay terminals.
Doing so might cause electric shock, fire, or faulty operation.
We recommend attaching the terminal cover (sold separately) after wiring this device.
Failure to do so might cause electric shock, fire, or faulty operation.
Use the relays within the recommended life.
Failure to do so might cause fire or faulty operation.
If there is a risk of a power surge caused by lightning, use a surge absorber (surge protector)
to prevent fire or device failure.
Do not make incorrect connections. If the cables are connected incorrectly, this might cause
the unit to malfunction.
The controller does not function for approximately 6 s. after the power has been turned
ON. Great care should be taken if the relayoutput from the controller is used as an interlock
signal.

v
CAUTION
There is no isolation between control outputs 1 and 2. When necessary, use an appropriate
isolator.
Do not connect multiple loader cables to multiple units from one personal computer. The
current coming from other circuits might cause an error in the indication of the PV.
When wiring RS-485 communications, do not connect a terminating resistor to either end of
the communication path. A terminating resistor might cause a communication failure.
Do not operate the keys with a mechanical pencil or other sharp-tipped object.
Doing so might cause faulty operation.
In addition to ON/OFF control and conventional PID control, this unit is equipped with self-
tuning control, which does not require manual setting of control constants. Self-tuning
control ensures stable control even after a change in the SP or an external disturbance. This
is achieved by monitoring the control target, learning its characteristics, and automatically
calculating control constants.
Before Using This Unit
The protective film is adhered to the front console of this unit to protect the surface.
After the installation and wiring work has been completed, stick a scotch tape to the corner of the console and pull it
out in the direction indicated by an arrow to peel off the protective film.
Handling Precautions
If you attempt to peel off the protective film with your fingernail, this might
cause damage to the console.
ot2
ot1
ev3
ev2
ev1
man
rdy
para
mode
Scotch tape
Pull out

vi
Five different manuals in total are available for model C15 Single Loop Controller (hereafter referred to as ”this
unit”). Read appropriate manuals according to your requirements. If you do not have a required manual, contact
the azbil Group or its dealer. Additionally, you can download necessary manuals from https://www.azbil.com.
The user level of this unit can be selected from three levels, “Simple configuration”, “Standard configuration”, and “High
function configuration.” The functions you can set up only with “Simple configuration” are described in Single Loop
Controller Model C15 User’s Manual for Basic Operation (CP-SP-1147E). If more advanced application is needed, refer
to this manual. This manual is intended for personnel who have already read SDC15 Single Loop Controller User’s
Manual for Basic Operation and/or operated Azbil Corporation’s Single Loop Controller to fully understand its basic
operation.
Single Loop Controller Model C15 User’s Manual for Installation & Configuration
Manual No. CP-SP-1148E
This manual. The manual describes the hardware and all functions of this unit. Personnel
in charge of design, manufacture, operation, and/or maintenance of a system using this
unit and those in charge of communication software of a system using the communication
functions of this unit must thoroughly read this manual. This manual also describes the
installation, wiring, connections for communication, all functions and settings of this unit,
operating procedures, communication with host station, such as personal computer,
communication addresses, troubleshooting, and detailed specifications.
Single Loop Controller Model C15 User’s Manual for Installation
Manual No. CP-UM-5287JE
This manual is supplied with the product. Personnel in charge of design and/or
manufacture of a system using this unit must thoroughly read this manual. This
manual describes the safety precautions, installation, wiring, list of parameters,
and primary specifications. For further information about operation, refer to
other manuals, Basic Operation and/or Installation & Configuration.
Single Loop Controller Model C15 User’s Manual for Basic Operation
Manual No. CP-SP-1147E
This manual is optional (sold separately). The manual describes the functions you can
set up only with“Simple configuration”. Personnel in charge of design, manufacture,
operation, and/or maintenance of a system using this unit must thoroughly read this
manual. This manual describes the installation, wiring, major functions and settings,
operating procedures, troubleshooting, and detailed specifications.
User’s Manual for Smart Loader Package Model SLP-C35 for Single Loop
Controller Model C15/25/26/35/36 Manual No. CP-UM-5290E
This manual is supplied with the Smart Loader Package. The manual describes
the software used to make various settings for C15/25/26/35/36 using a
personal computer. Personnel in charge of design or setting of a system using
C15/25/26/35/36 must thoroughly read this manual. The manual describes
installation of the software into a personal computer, operation of the personal
computer, various functions, and setup procedures.
CP-SP-XXXXE
Quick Reference Guide
for Model XXX
Quick Reference Guide for Model C15 Manual No. CP-UM-1213E
For those using this device for the first time or for operators on the work site, this
guide serves as a reference when setting or modifying parameters. Key operations,
menu flowcharts and parameter settings are presented with color illustrations.
The Role of This Manual

vii
Organization of This User’s Manual
This manual is organized as follows:
Chapter 1. OVERVIEW
This chapter describes the applications, features, model selection guide, and part
names and functions of this unit. Since the part names described in this chapter are
used in the subsequent descriptions, the part names and functions of this unit must
be understood correctly in this chapter.
Chapter 2. OUTLINE OF FUNCTIONS
This chapter describes the outline and operation flow of the functions of this unit.
Chapter 3. INSTALLATION
This chapter describes the environmental conditions, installation dimensions,
installation procedures, and necessary tools when installing this unit.
Chapter 4. WIRING
This chapter describes the wiring procedures, wiring precautions, and connection
examples.
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION
This chapter describes each function of this unit in detail.
Chapter 6. LIST OF DISPLAYS AND SETTING DATA
This chapter lists up the display items of this unit and their contents.
Chapter 7. CPL COMMUNICATIONS FUNCTIONS
This chapter describes how to communicate this unit with a host unit, such
as a personal computer or PLC through Azbil Corporation’s standard CPL
communication using RS-485.
Chapter 8. Modbus COMMUNICATIONS FUNCTIONS
This chapter describes how to communicate this unit with a host unit, such as a
personal computer or PLC through Modbus communication.
Chapter 9. LIST OF COMMUNICATION DATA
This chapter shows the list of communication data inside the memory of this unit.
Chapter 10. MAINTENANCE AND TROUBLESHOOTING
This chapter describes the maintenance and inspection of this unit, as well as
troubleshooting.
Chapter 11. CALIBRATION
This chapter describes how to calibrate this unit in order to keep the accuracy and
to safely operate this unit for an extended period of time.
Chapter 12. DISPOSAL
This chapter describes safety precautions and how to dispose of this unit when the
unit is no longer used.
Chapter 13. SPECIFICATIONS
This chapter describes the general specifications, performance specifications, and
optional parts of this unit.

ix
Contents
Safety Requirements
Conventions Used in This Manual
Safety Precautions
Before Using This Unit
The Role of This Manual
Organization of This User’s Manual
Quick Reference Guide for Model C15
Chapter 1. OVERVIEW 1-1
1 - 1 Overview 1-1
 Model selection table 1-2
 Accessories 1-3
 Optional parts 1-3
1 - 2 Part Names and Functions 1-4
 Main unit and console 1-4
 Bottom panel 1-5
 Rear panel 1-6
Chapter 2. OUTLINE OF FUNCTIONS 2-1
2 - 1 Input/Output Configuration 2-1
2 - 2 Key Operation 2-2
 Standard key operation type 2-2
 Special key operation type 2-4
 Data setting procedures 2-6
 [mode] key operating procedures 2-7
 User level 2-8
2 - 3 Operation Modes 2-9
Chapter 3. INSTALLATION 3-1
 Installation place 3-1
 External dimensions 3-2
 Panel cutout dimensions 3-2
 Mounting procedures 3-3
Chapter 4. WIRING 4-1
4 - 1 Wiring 4-1
 Terminal assignment label symbols 4-2
 Wiring precautions 4-2
 Connection of open collector output to digital input 4-5
 Connection of communication (RS-485) cable 4-5
 Connection with solid state relay (SSR) 4-7
 Connection with current-input type controllers 4-10
 Noise preventive measures 4-10
4 - 2 Recommended Cables 4-11

x
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5-1
5 - 1 PV Input 5-1
 PV input range type 5-1
 Temperature unit 5-3
 Cold junction compensation (T/C) 5-3
 PV square root extraction dropout 5-3
 Decimal point position 5-4
 PV input range low limit/high limit 5-5
 PV ratio and PV bias 5-5
 PV low limit alarm threshold 5-5
 PV filter 5-6
 PV hold 5-6
 PV low limit/high limit and PV low limit/high limit alarms 5-6
5 - 2 Mode 5-7
 AUTO/MANUAL mode 5-7
 RUN/READY mode 5-7
 AT (Auto Tuning) stop/start 5-8
 Release all DO (digital output) latches 5-8
 Communication DI (digital input) 1 5-8
5 - 3 Control 5-9
 Control method 5-11
 Control action and Heat/Cool control 5-12
 Special control outputs 5-12
 MANUAL mode change 5-13
 ON/OFF control 5-13
 PID control 5-14
 Heat/Cool control 5-15
 ST (Self-tuning) 5-17
 AT (Auto tuning) 5-18
 Just-FiTTER 5-20
 RationaLOOP 5-20
 SP lag 5-20
5 - 4 AT (auto tuning) Function 5-21
 Starting procedures 5-21
 Stopping procedures 5-21
5 - 5 ST (Self-tuning) Function 5-24
 How to start ST 5-24
 How to stop ST 5-25
5 - 6 Precautions for ST (Self-tuning) 5-26
5 - 7 SP 5-27
 SP setup in operation display mode 5-28
 LSP system group 5-28
 LSP1 to 4 5-28
 LSP group number 5-28
 DI Assignment of LSP group selection 5-29
 SP ramp unit 5-30
 SP up ramp/down ramp 5-30

xi
 SP low limit/high limit 5-31
 DI Assignment of SP ramp enabled/disabled 5-31
5 - 8 DI (Digital Input) and Internal Contact 5-32
 Operation type 5-33
 Internal event No. assignment 5-34
 Input bit function 5-34
 Input assign 5-35
 Polarity of input assign 5-36
 Polarity of input bit function 5-36
 DI Assignment setting with Smart Loader Package SLP-C35 5-37
5 - 9 Internal Event 5-38
 Operation 5-39
 Operation type 5-46
 Direct/reverse, standby, and EVENT state at READY 5-47
 Alarm OR, special OFF setup, and delay time unit 5-48
 Main setting, sub setting, and hysteresis 5-49
 ON delay and OFF delay 5-50
5 - 10 DO (Digital Output) 5-51
 MV1/MV2 process 5-52
 Operation type 5-53
 Output assign 5-54
 Polarity of output assign 5-56
 Polarity of output bit function 5-57
 Latch 5-57
 DO Assignment setting with Smart Loader Package SLP-C35 5-57
5 - 11 Application Examples 5-59
 Examples of applications using assign functions 5-59
5 - 12 Continuous Output 5-66
 Output range 5-66
 Output type 5-66
 Output scaling low limit/high limit 5-67
 MV scaling range 5-68
5 - 13 CT (Current Transformer) Input 5-69
 CT operation type 5-70
 CT output 5-70
 CT measurement wait time 5-70
 Number of CT turns and number of CT power wire loops 5-71
5 - 14 Console Display and Key Operation 5-73
 Key operation type 5-73
 [mode] key function 5-73
 MODE display setup 5-74
 PV/SP display setup 5-75
 MV display setup 5-76
 Event setting value display setup 5-77
 Event remaining time display setup 5-77
 CT input current value display setup 5-78
 User level 5-78
 LED monitor 5-78

xii
 User Function 5-79
 Key lock, communication lock, and loader lock 5-83
 Password 5-84
Chapter 6. LIST OF DISPLAYS AND SETTING DATA 6-1
6 - 1 List of Operation Displays 6-1
 Operation displays 6-1
6 - 2 List of Parameter Setting Displays 6-3
 Mode bank 6-3
 SP bank 6-3
 Event bank 6-4
 PID bank 6-5
 Parameter bank 6-6
 Extended tuning bank 6-7
6 - 3 List of Setup Setting Displays 6-8
 Setup bank 6-8
 Event configuration bank 6-13
 DI Assignment bank 6-16
 DO Assignment bank 6-19
 User Function bank 6-23
 Lock bank 6-23
 Instrument information bank 6-24
Chapter 7. CPL COMMUNICATIONS FUNCTIONS 7-1
7 - 1 Outline of Communications 7-1
 Features 7-1
 Setup 7-1
 Communications procedures 7-2
7 - 2 Message Structure 7-3
 Message structure 7-3
 Data link layer 7-3
 Application layer 7-5
7 - 3 Description of Commands 7-6
 Continuous data read command (RS command) 7-6
 Continuous data write command (WS command) 7-7
 Fixed length continuous data read command (RD command) 7-8
 Fixed length continuous data write command (WD command) 7-9
 Fixed length random data read command (RU command) 7-10
 Fixed length random data write command (WU command) 7-11
7 - 4 Definition of Word Addresses 7-12
7 - 5 Numeric Representation in the Application Layer 7-13
7 - 6 List of Termination Codes 7-14
7 - 7 Reception and Transmission Timing 7-15
 Timing specifications for instruction and response message 7-15
 RS-485 driver control timing specifications 7-15

xiii
7 - 8 Cautions when Making Communications Programs for the Master Station 7-16
 Example of communications program 7-16
Chapter 8. Modbus COMMUNICATIONS FUNCTIONS 8-1
8 - 1 Outline of Communications 8-1
 Features 8-1
 Setup 8-1
 Communications procedures 8-2
8 - 2 Message Structure 8-3
 Message structure 8-3
 Command type 8-6
 Amount of data 8-6
 Other specifications 8-6
8 - 3 Description of Commands 8-7
 Read command (03H) 8-7
 Write command (10H) 8-9
8 - 4 Specifications Common with CPL Communications Function 8-11
 Definition of word addresses 8-11
 Numeric representation 8-11
 RS-485 driver control timing specifications 8-11
Chapter 9. LIST OF COMMUNICATION DATA 9-1
 List of communication data 9-1
Chapter 10. MAINTENANCE AND TROUBLESHOOTING 10-1
 Maintenance 10-1
 Alarm displays and corrective action 10-1
 Operation in case of PV input failure 10-2
Chapter 11. CALIBRATION 11-1
 Starting the calibration 11-1
 Exiting the calibration 11-1
 Cautions before starting the calibration 11-2
 Measuring instruments required for calibration 11-2
 Calibration procedures 11-2
Chapter 12. DISPOSAL 12-1

xiv
Chapter 13. SPECIFICATIONS 13-1
 Specifications 13-1
 Accessories 13-5
 Optional parts 13-5
Appendix App.-1
Glossary App.-1
Index

D-1
Quick Reference Guide for Model C15
This guide offers a summary of key operations, parameter flowcharts, and settings, for convenient
reference at the operation site. This guide is made for repeated use. Dirt wipes off easily and even notes
written with an oil-based felt-tip pen can be removed with an eraser. If more detailed information on
model C15 is needed, refer to the user's manuals: CP-SP-1147E for basic operation and CP-SP-1148E for
installation and configuration.
The most convenient way to configure the C15 is with the Smart Loader Package (model No. SLP-
C35J50). Please contact the azbil Group or a distributor for more information.
Upper display
Indicators during AT
[para] key
Mode indicators
Lower display
Various indicators
Loader connector (bottom panel)
[mode] key
[ ], [ ], and [ ] keys
Upper display This display shows either the PV value or the display value and set value for each displayed item. If an alarm is trig-
gered, the normal display and alarm code are displayed alternately. During auto tuning (AT), the rightmost decimal
point flashes twice repeatedly.
Lower display This display shows either the SP/MV/CT or the display value and set value for each displayed item. The rightmost
decimal point lights up or flashes to show RUN/READY mode or communications status, depending on the setting.
Mode indicators rdy: Lights when READY (RUN mode if not lit)
man: Lights when MANUAL (AUTO mode if not lit)
ev1, ev2, ev3: Lights when event relays are ON
ot1, ot2: Lights when the control output is ON (always lit when the current output is used)
[mode] key • When this key is pressed and held for more than 1 second in the operation display mode, any of the following
operations from 0 to 7 which have been set previously can be executed:
0 : Mode key does not operate (Initial value)
1 : AUTO/MANUAL mode selection
2 : RUN/READY mode selection
3 : AT (Auto Tuning) start/stop selection
4 : LSP (Local SP) group selection
5 : Release all DO (Digital Output) latches
6 : Mode key does not operate
7 : ON/OFF selection of communication DI1
• When pressing the [mode] key in the setup display mode, the display is changed to the operation display
[para] key • This key is used to change the display item.
• When this key is kept pressed for 2 s. or longer in the operation display mode, the display is then changed to the
setup display
[<], [ ] , [ ] keys Theses keys are used to increase or decrease the numeric value, or to shift the digit.
Loader connector The Smart Loader connector is on the bottom of the C15. Use the dedicated cable that is included with the Smart
Loader Package to connect the controller to a PC.
: Initial value

D-2
(AUTO)
For change from
MANUAL to AUTO
to (2)
(MANUAL)
For change from
AUTO to MANUAL
to (1)
[para] key *3
[mode]
2-second press + hold of [para] key
[SP] [Event] [PID] [Parameter] [Extended tuning]
(2) (1)
Upper and lower displays
remain off for 6s after power
ON. Each mode indicator
lights sequentially, and
then the operation display
appears.
When the power
is turned ON LSP group
number
SP value
Manipulated
variable
MV value
Heat manipulated
variable
MV value
Cool manipulated
variable
MV value
PV value
SP value
Timer remaining
time 3
Internal
event 3
delay time
*1
[para] key
2-second
press + hold
of [para] key
[para] key *3
Flowchart of key operations and displays
(A)
to (A)

D-3
Analog inputControl actions
SPContinuous outputsCommunications
Key operations and displays
Setting displays
Operation displays
zzSome items are not displayed depending on the availability of optional functions, model number, display setup (C73 to
C78) and display level (C79).
zzPressing [para] key while changing settings has the effect of canceling and moving to the next item.
*1 The parameters and numerical values registered as user functions UF are displayed.
*2 If no key is pressed for 3 minutes, the display automatically returns to (2) , PV display.
*3 If the [<] key is pressed while holding down the [para] key, various displys/settings can be
navigated in reverse order.
*4 Cannot be selected if ROM version 1 (id02) of the instrument information bank is 2.26 or
earlier.
Explanation of arrows
[para] key :
2-second press + :
hold of [para] key
Movement through each setup menu
• [para] key Forward movement
• [para] key + [<] key Backward movement
Internal event 3
sub setting
Setting value
Internal event 3
main setting
Setting value
Timer remaining
time 2
Internal event 2
delay time
Internal event 2
sub setting
Setting value
Internal event 2
main setting
Setting value
[Setup] [ Event configuration ] [ DI assignment ] [ DO assignment ] [ User function ] [ Instrument information ][Lock]
[para] key
PV value
AT progress
value
Internal event 1
main setting
Setting value
CT1
Current
value
CT2
Current
value
Internal event 1
sub setting
Setting value
Timer remaining
time 1
Internal event 1
delay time
2-second press + hold of [para] key
*2
**44
to (2)
(B)
to (B)
**44

D-4
Operation examples
Setup of PV input range type
1
Start from the opera -
tion display (if nec -
essary press [mode]
once to get the op
-
eration display).
If the sensor has not
been wired or is discon-
nected, an alarm for
abnormal PV input (any
one from
AL0 1
to
AL

1

1
)
may appear on the
upper display.
2
Press and hold [para]
for more than 2s to
get the parameter
setup display.
a--M
is shown on the
upper display.
In case of ON/OFF con-
trol,
r--r
appears on
the upper display.
3
Press and hold
[para] for more
than 2s again to get
the setup setting
display.
The current set
value for
C0 1
(PV
input range type) is
displayed.
4
When the [<], [ ] or
[] key is pressed,
the rightmost digit
on the lower dis
-
play flashes. If no
key is pressed for
more than 2s after
changing to the
desired value in the
PV input range list,
the display changes
from flashing to
continuously lit, and
the displayed value
is now set.
Setup of event operation type
In this example, the event 1 operation type is set to deviation high
limit.
1
Start from the opera -
tion display (if nec -
essary press [mode]
once to get the op
-
eration display).
2
Press and hold [para]
for more than 2s to
get the parameter
setup display.
a--M
is shown on the
upper display.
3
Press and hold
[para] for more
than 2s again to get
the setup setting
display.
The current set
value for
C0 1
(PV
input range type) is
displayed.
4
Press [para] repeat -
edly to get
e 1.c 1
on
the upper display.
0
is displayed on the
lower display.
0
on the lower display
indicates that the event
operation type is set to
"none."
5
When the [ ] or [ ] key is pressed, the rightmost digit on
the lower display flashes. Change the flashing digit to
4
by
pressing [ ] or [ ].
If no key is pressed for more than 2s, the displayed value
is set and the display changes from flashing to continu
-
ously lit.
4
on the lower display indicates that the event operation type is set for
deviation high limit.
Similarly, use
e2.C 1
to set the event 2 operation type, and use
e3.C

1
for event 3.
Red letters : Items before operation
Blue letters : Items during operation
Execution of auto tuning (AT)
AT forces ON/OFF of the MV a number of times (a limit cycle) to
calculate PID values.
Check that this operation does not create any problems for the as-
sociated equipment before executing AT.
1
Start from the opera -
tion display (if nec -
essary press [mode]
once to get the op
-
eration display).
2
Press and hold [para]
for more than 2s to
get the parameter
setup display.
a--M
is shown on the
upper display.
3
Press [para] twice.
The upper display
says
at
and the
lower display says
at.Of
.
If the control method
is ON/OFF control and
if Bit 3 (AT stop/start
display) of the mode
display setup (
C73
) is set
to "disabled: 0," nothing
is displayed.
4
When [ ] or [ ] is
pressed,
at.Of
flashes.
Flashing occurs only in
RUN and AUTO modes,
if there is no PV input
abnormality.
Also, if "AT stop/start" is
selected for DI assign-
ment, the display does
not blink and no change
can be made.
5
[Press [ ] once.
The lower display
starts to flash
at.On
.
6
If no key is pressed
for more than 2s,
at.ON
remains
steadily lit and AT
begins.
During AT, the
rightmost decimal
point flashes twice
repeatedly. (When
AT is done, the light
goes off and the
new PID values go
into effect.)
During the AT process, if the mode is changed to READY or
MANUAL, if PV input is faulty, or if a power failure occurs, AT stops
automatically without changing the PID values.
AT can also be stopped by changing the setting from
At.ON
to
At.OF
(return to step 3 above).
Setup of SP value
1
Start from the opera -
tion display (if nec -
essary press [mode]
once to get the op
-
eration display).
2
Check that the
operation display is
displaying the SP.
(If not, press [para]
repeatedly until the
SP is displayed.)
3
When the [<], [ ] or
[] key is pressed,
the rightmost digit
on the lower display
flashes and the SP
can be changed to
the desired value.
In this case, the flash -
ing of the numerical
value implies that it
is not yet set. A nu
-
merical setting that
is being changed
flashes the same
way.
If an SP limit is in effect,
the numerical value
cannot be changed to
a value above the limit.
The SP limit must be
changed first.
4
If no key is pressed
for more than 2s, the
displayed value is
set and the display
changes from flash
-
ing to continuously
lit.
If the [mode] key is
pressed when the
display is flashing, the
status returns to that
of step 1.