Mitsubishi Melsec-Q, SW1D5C-QTIU-E, Q68TD-G-H01, Q68TD-G-H02 User Manual

SAFETY PRECAUTIONS

(Read these precautions before use.)

Before using this product, please read this manual and the relevant manuals introduced in this manual
carefully and pay full attention to safety to handle the product correctly.
The instructions given in this manual are concerned with this product. For the safety instructions of the
programmable controller system, please read the User's Manual for the CPU module.
In this section, the safety precautions are ranked as "DANGER" and "CAUTION".

Indicates that incorrect handling may cause hazardous conditions,

DANGER

CAUTION

Note that the CAUTION level may lead to a serious consequence according to the circumstances.

Always follow the precautions of both levels because they are important to personal safety.

resulting in death or severe injury.

Indicates that incorrect handling may cause hazardous conditions,

resulting in medium or slight personal injury or physical damage.

Please keep this manual accessible when required and always forward it to the end user.

[DESIGN PRECAUTIONS]

DANGER

Do not write data into the "system area" of the buffer memory of intelligent function modules. Also,
do not use any "prohibited to use" signals as an output signal to an intelligent function module from
the programmable controller CPU.
Writing data into the "system area" or outputting a signal for "prohibited to use" may cause a
malfunction of the programmable controller system.

CAUTION

Do not bunch the control wires or communication cables with the main circuit or power wires, or
install them close to each other.
They should be installed 100 mm (3.94 inch) or more from each other.
Not doing so could result in noise that may cause malfunction.

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[INSTALLATION PRECAUTIONS]

CAUTION

Use the programmable controller in the environment conditions given in the general specifications in
the User's Manual for the CPU module. Failure to do so may cause an electric shock, fire,
malfunction, or damage to or deterioration of the product.

While pressing the installation lever located at the bottom of the module, fully insert the module fixing
projection into the fixing hole in the base unit to mount the module. Incorrect module mounting may
cause a malfunction, failure, or drop of the module.
Mount the module on the base unit, and then fix the module with a module fixing screw. (Q68TD-G­H02 only)
When using the program controller in an environment of frequent vibrations, fix the module with a
module fixing screw. (Q68TD-G-H01 only)

The screws must be tightened within the specified torque range. If the screw is too loose, it may
cause a drop or malfunction. Excessive tightening may damage the screw and/or the module,
resulting in a drop or malfunction.

Be sure to shut off all phases of the external power supply used by the system before mounting or
removing the module. Failure to do so may cause damage to the product.
In the system where a CPU module supporting the online module change is used and on the
MELSECNET/H remote I/O stations, modules can be replaced online (during energizing).
However, there are some restrictions on replaceable modules and the replacement procedures are
predetermined for each module.
For details, refer to the chapter of the online module change in this manual.

Do not directly touch any conductive part or electronic part of the module.
Doing so may cause a malfunction or failure of the module.

[WIRING PRECAUTIONS]

CAUTION

Always ground the shielded cables for the programmable controller.
There is a risk of electric shock or malfunction.

For wiring and connection, properly press, crimp or solder the connector with the tools specified by
the manufactures and attach the connector to the module securely.

Be careful to prevent foreign matter such as dust or wire chips from entering the module.
Failure to do so may cause a fire, failure or malfunction.

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[WIRING PRECAUTIONS]

CAUTION

A protective film is attached to the module top to prevent foreign matter such as wire chips from
entering the module during wiring.
Do not remove the film during wiring.
Be sure to remove it for heat dissipation before system operation.

Be sure to place the cables connected to the module in a duct or clamp them.
If not, dangling cables may swing or inadvertently be pulled, resulting in damage to the module and/
or cables, or malfunctions due to poor cable connection.

When disconnecting the external wiring cable connected to the module, do not pull it by holding the
cable part. Disconnect the cable with connector with holding the connector plugged into the module.
Pulling the cable part with the cable still connected to the module may cause a malfunction or
damage to the module and/or cable.

Always place the thermocouple at least 100mm (3.94inch) away from the main circuit cables and AC
control lines. Fully keep it away from highvoltage cables and circuits, which include high frequency
waves, such as an inverter's load circuit. Not doing so will cause the module more susceptible to
noises, surges and inductions.

Do not place a module near the equipment that generates magnetic noise.

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[STARTING AND MAINTENANCE PRECAUTIONS]

CAUTION

Do not disassemble or modify the modules.
Doing so could cause failure, malfunction injury or fire.

Be sure to shut off all phases of the external power supply used by the system before mounting or
removing the module.
Not doing so may cause damage to the module.
In the system where a CPU module supporting the online module change is used and on the
MELSECNET/H remote I/O stations, modules can be replaced online (during energizing).
However, there are some restrictions on replaceable modules and the replacement procedures are
predetermined for each module.
For details, refer to the chapter of the online module change in this manual.

Do not install/remove the module to/from the base unit more than 50 times after the first use of the
product. (IEC 61131-2 compliant)
Failure to do so may cause malfunction.

Do not touch the connector while the power is on.
Doing so may cause malfunction.

Switch off all phases of the externally supplied power used in the system when cleaning the module
or retightening the terminal or module fixing screws.
Not doing so may cause failure or malfunction of the module.
If the screws are loose, it may cause the module to fallout, short circuits, or malfunction.
If the screws are tightened too much, it may cause damages to the screws and/or the module,
resulting in the module falling out, short circuits or malfunction.

Always make sure to touch the grounded metal to discharge the electricity charged in the body, etc.,
before touching the module.
Failure to do so may cause a failure or malfunctions of the module.

[DISPOSAL PRECAUTIONS]

CAUTION

When disposing of this product, treat it as industrial waste.

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REVISIONS

* The manual number is given on the bottom left of the back cover.

Print Date *Manual Number Revision

Nov., 2008 SH(NA)-080795ENG-A First printing

Japanese Manual Version SH-080794-B

This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses.

Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may

occur as a result of using the contents noted in this manual.

C

2008 MITSUBISHI ELECTRIC CORPORATION

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INTRODUCTION

Thank you for purchasing the MELSEC-Q series Programmable Controller.
Before using the equipment, please read this manual carefully to develop full familiarity with the functions
and performance of the Q series Programmable Controller you have purchased, so as to ensure correct
use.
Please forward a copy of this manual to the end user.

CONTENTS

SAFETY PRECAUTIONS •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A - 1

REVISIONS •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••A - 5

INTRODUCTION •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A - 6

CONTENTS••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A - 6

Compliance with the EMC and Low Voltage Directives ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A - 10

About the Generic Terms and Abbreviations •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A - 11

Product Lineup ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••A - 12

CHAPTER1 OVERVIEW 1 - 1 to 1 - 3

1.1 Features •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 1 - 2

CHAPTER2 SYSTEM CONFIGURATION 2 - 1 to 2 - 7

2.1 Applicable Systems••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 2 - 1

2.2 About Use of the Q68TD-G-H02 (H01) with the Q12PRH/Q25PRHCPU ••••••••••••••••••••••••••••••••2 - 5

2.3 How to Check the Function Version, Product Information and Software Version ••••••••••••••••••••••2 - 6

CHAPTER3 SPECIFICATIONS 3 - 1 to 3 - 59

3.1 Performance Specifications•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3 - 1

3.2 Function List •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••3 - 5

3.2.1 Temperature conversion system ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 6

3.2.2 Conversion setting for disconnection detection function(Q68TD-G-H02 only) •••••••••••••••••• 3 - 11

3.2.3 Disconnection state conversion setting function (Q68TD-G-H01 only) ••••••••••••••••••••••••••• 3 - 13

3.2.4 Warning output function •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 15

3.2.5 Cold junction temperature compensation resistor disconnection detection function ••••••••••• 3 - 20

3.3 I/O Signals Transferred to/from Programmable Controller CPU ••••••••••••••••••••••••••••••••••••••••• 3 - 21

3.3.1 I/O signal list•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 21

3.3.2 I/O signal details ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 22

3.4 Buffer Memory ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 29

3.4.1 Buffer memory assignment •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 29

3.4.2 Conversion enable/disable setting (Un\G0) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 35

3.4.3 CH[ ] Time/Count/Moving average/Time constant setting (Un\G1 to Un\G8)•••••••••••••••••••• 3 - 36

3.4.4 Conversion completion flag (Un\G10) ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 37

3.4.5 CH[ ] Measured temperature value (Un\G11 to Un\G18)•••••••••••••••••••••••••••••••••••••••••••• 3 - 38

3.4.6 Error code (Un\G19) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 39

A - 6

3.4.7 Setting range 1, 2 (Thermocouple type) (Un\G20,Un\G21) ••••••••••••••••••••••••••••••••••••••••• 3 - 39

3.4.8 Setting range 3 (Offset/gain setting) (Un\G22) •••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 39

3.4.9 Averaging processing selection (Un\G24,Un\G25) ••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 40

3.4.10 Offset/gain setting mode (Un\G26,Un\G27)•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 41

3.4.11 CH[ ] Offset/gain temperature setting values (Un\G28 to Un\G43) •••••••••••••••••••••••••••••••• 3 - 42

3.4.12 Cold junction compensation setting status (Un\G45) (Q68TD-G-H02 only) ••••••••••••••••••••• 3 - 42

3.4.13 Warning output enable/disable setting (Un\G46) ••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 43

3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48) •••••••••••••••••••••••••••••• 3 - 44

3.4.15 Disconnection detection flag (Un\G49) (Q68TD-G-H02 only) •••••••••••••••••••••••••••••••••••••• 3 - 45

3.4.16 Disconnection state monitor flag (Un\G49) (Q68TD-G-H01only) •••••••••••••••••••••••••••••••••• 3 - 47

3.4.17 CH[ ] Scaling value (Un\G50 to Un\G57) ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 49

3.4.18 Scaling valid/invalid setting (Un\G58) ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 50

3.4.19 CH[ ] Scaling range upper/lower limit values (Un\G62 to Un\G77) •••••••••••••••••••••••••••••••• 3 - 51

3.4.20 CH[ ] Scaling width upper/lower limit values (Un\G78 to Un\G93)••••••••••••••••••••••••••••••••• 3 - 52

3.4.21 CH[ ] Process alarm upper/lower limit values (Un\G94 to Un\G125)•••••••••••••••••••••••••••••• 3 - 53

3.4.22 CH[ ] Rate alarm warning detection period (Un\G126 to Un\G133) ••••••••••••••••••••••••••••••• 3 - 54

3.4.23 CH[ ] Rate alarm upper/lower limit values (Un\G134 to Un\G149) •••••••••••••••••••••••••••••••• 3 - 54

3.4.24 Mode switching setting (Un\G158, Un\G159) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 55

3.4.25 Conversion setting for disconnection detection (Un\G164, Un\G165) (Q68TD-G-H02 only) • 3 - 56

3.4.26 Disconnection state conversion setting (Un\G164, Un\G165) (Q68TD-G-H01only) ••••••••••• 3 - 57

3.4.27 CH[ ] Conversion setting value for disconnection detection (Un\G166 to Un\G173) (Q68TD-G-H02
only)•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 58

3.4.28 CH[ ] Conversion setting value for disconnection state (Un\G166 to Un\G173) (Q68TD-G-H01only)

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 58

3.4.29 Factory default offset/gain values, User range settings offset/gain values (Un\G190 to Un\G253)

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 - 59

CHAPTER4 SETUP AND PROCEDURES BEFORE OPERATION 4 - 1 to 4 - 17

4.1 Handling Precautions •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 1

4.1.1 Fixing module with module fixing bracket (Q68TD-G-H02 only) ••••••••••••••••••••••••••••••••••••• 4 - 2

4.2 Setup and Procedures before Operation ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 3

4.3 Part Names •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 4

4.4 Wiring ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 6

4.4.1 Wiring precautions •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 6

4.4.2 External wiring •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••4 - 7

4.5 Switch Setting for Intelligent Function Module •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 8

4.6 Offset/Gain Setting ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 - 10

4.7 Cold Junction Temperature Compensation with/without Setting •••••••••••••••••••••••••••••••••••••••• 4 - 16

CHAPTER5 UTILITY PACKAGE (GX Configurator-TI) 5 - 1 to 5 - 23

5.1 Utility Package Functions ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 1

5.2 Installing and Uninstalling the Utility Package•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••5 - 3

5.2.1 Handling precautions ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 3

5.2.2 Operating environment ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 5

5.3 Utility Package Operation •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••5 - 7

5.3.1 Common utility package operations ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 7

5.3.2 Operation overview ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 10

A - 7

5.3.3 Starting the Intelligent function module utility •••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 12

5.4 Initial Setting ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 14

5.5 Auto Refresh Settings •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 16

5.6 Monitoring/Test •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 18

5.6.1 Monitor/test screen•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 18

5.6.2 Offset/gain setting operation •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 21

5.6.3 OMC (Online Module Change) refresh data ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 5 - 23

CHAPTER6 PROGRAMMING 6 - 1 to 6 - 28

6.1 Programming Procedure ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••6 - 2

6.2 Using Programs in Normal System Configuration ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••6 - 4

6.2.1 Before creating a program ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 6 - 5

6.2.2 Program example when Configurator-TI•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 6 - 7

6.2.3 Program example when GX Configurator-TI is not used •••••••••••••••••••••••••••••••••••••••••••• 6 - 12

6.3 Using Programs on Remote I/O Network •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 6 - 15

6.3.1 Before creating a program ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 6 - 17

6.3.2 Program example when GX Configurator-TI is used ••••••••••••••••••••••••••••••••••••••••••••••••• 6 - 18

6.3.3 Program example when GX Configurator-TI is not used •••••••••••••••••••••••••••••••••••••••••••• 6 - 22

CHAPTER7 ONLINE MODULE CHANGE 7 - 1 to 7 - 35

7.1 Online Module Change Conditions •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 2

7.2 Online Module Change Operations••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••7 - 3

7.3 Online Module Change Procedure ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••7 - 4

7.3.1 When factory default is used and initial setting was made with GX Configurator-TI •••••••••••••7 - 4

7.3.2 When factory default is used and initial setting was made with sequence program ••••••••••••• 7 - 9

7.3.3 When user range setting is used and initial setting was made with GX Configurator-TI
(other system is available)••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 13

7.3.4 When user range setting is used and initial setting was made with GX Configurator-TI
(other system is unavailable)•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 18

7.3.5 When user range setting is used and initial setting was made with sequence program
(other system is available)••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 23

7.3.6 When user range setting is used and initial setting was made with sequence program
(other system is unavailable)•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 28

7.4 Range Reference Table ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 33

7.4.1 Range reference table (Q68TD-G-H02) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 33

7.4.2 Range reference table (Q68TD-G-H01) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 34

7.5 Precautions for Online Module Change •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 - 35

CHAPTER8 TROUBLESHOOTING 8 - 1 to 8 - 8

8.1 Error Code List ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 1

8.2 Troubleshooting •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 4

8.2.1 "RUN" LED is extinguished••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 4

8.2.2 "RUN" LED flickers••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 4

8.2.3 "ERR" LED flickers ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 4

8.2.4 "ERR" LED is lit ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 4

A - 8

8.2.5 "ALM" LED flickers ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 5

8.2.6 "ALM" LED is lit •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 8 - 5

8.2.7 When Disconnection detection signal (XC) (Q68TD-G-H02 only) or Disconnection state monitor
signal (XC) (Q68TD-G-H01 only) turns on ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 8 - 5

8.2.8 Measured temperature value cannot be read ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 8 - 5

8.2.9 Measured temperature value is abnormal ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••8 - 6

8.2.10 Checking the Q68TD-G-H02(H01) status using GX Developer system monitor•••••••••••••••••• 8 - 7

APPENDIX App - 1 to App - 14

Appendix 1 Differences of Q68TD-G-H02, Q68TD-G-H01, Q64TD, Q64TDV-GH••••••••••••••••••••••• App - 1

Appendix 2 Dedicated Instruction •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• App - 2

Appendix 2.1 Dedicated Instruction List and Available Device••••••••••••••••••••••••••••••••••••••••••• App - 2
Appendix 2.2 G(P).OFFGAN ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• App - 3
Appendix 2.3 G(P).OGLOAD ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• App - 5
Appendix 2.4 G(P).OGSTOR ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• App - 9

Appendix 3 External Dimension Diagram ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• App - 14

INDEX Index - 1 to Index - 2

A - 9

Compliance with the EMC and Low Voltage Directives

(1) For programmable controller system

To configure a system meeting the requirements of the EMC and Low Voltage
Directives when incorporating the Mitsubishi programmable controller (EMC and
Low Voltage Directives compliant) into other machinery or equipment, refer to
Chapter 9 "EMC AND LOW VOLTAGE DIRECTIVES" of the QCPU User's
Manual (Hardware Design, Maintenance and Inspection).
The CE mark, indicating compliance with the EMC and Low Voltage Directives, is
printed on the rating plate of the programmable controller.

(2) For the product

For the compliance of this product with the EMC and Low Voltage Directives,
refer to Section 4.4.1 Wiring precautions.

A - 10

About the Generic Terms and Abbreviations

Unless otherwise specified, this manual uses the following general terms and
abbreviations.

Abbreviation/general terms Description of the abbreviation/general terms

Q68TD-G-H02 Abbreviation for Q68TD-G-H02 channel isolated thermocouple input module

Q68TD-G-H01 Abbreviation for Q68TD-G-H01 channel isolated thermocouple input module

Q68TD-G-H02(H01)

Up scale

Down scale

GX Developer

GX Configurator-TI

QCPU (Q mode)

Process CPU Generic term for Q02PHCPU, Q06PHCPU, Q12PHCPU, Q25PHCPU

Cold junction temperature

compensation resistor

Personal computer

Windows Vista

Windows XP

R

R

Abbreviation for Q68TD-G-H02 or Q68TD-G-H01 channel isolated thermocouple input

module

Maximum value in measured temperature range plus 5% value of measured temperature

range

Minimum value in measured temperature range minus 5% value of measured

temperature range

Generic product name for the SWnD5C-GPPW-E, SWnD5C-GPPW-EA, SWnD5C-

GPPW-EV and SWnD5C-GPPW-EVA. ("n" is 4 or greater.)

"-A" and "-V" denote volume license product and upgraded product respectively.

Generic term for thermocouple input module setting and monitor tool GX Configurator-TI

(SW1D5C-QTIU-E)

Generic term for Q00JCPU, Q00CPU, Q01CPU, Q02CPU, Q02HCPU, Q06HCPU,

Q12HCPU, Q25HCPU, Q02PHCPU, Q06PHCPU, Q12PHCPU, Q25PHCPU,

Q12PRHCPU, Q25PRHCPU, Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU,

Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q10UDHCPU, Q13UDHCPU, Q20UDHCPU,

Q26UDHCPU, Q03UDECPU, Q04UDEHCPU, Q06UDEHCPU, Q10UDEHCPU,

Q13UDEHCPU, Q20UDEHCPU, Q26UDEHCPU

Generic term for Resistance Temperature Detector (RTD) used for cold junction

temperature compensation. Pt100 is used.

IBM PC/AT or compatible computer with DOS/V.

R

Generic term for the following:

Microsoft Windows Vista Home Basic Operating System,

Microsoft Windows Vista Home Premium Operating System,

Microsoft Windows Vista Business Operating System,

Microsoft Windows Vista Ultimate Operating System,

Microsoft Windows Vista Enterprise Operating System

R R

R R

R R

R R

R R

Generic term for the following:

Microsoft Windows XP Professional Operating System,

Microsoft Windows XP Home Edition Operating System

R R

R R

A - 11

Product Lineup

The product lineup is given in the table below.

(1) Q68TD-G-H02

Model Product name Quantity

Q68TD-G-H02

SW1D5C-QTIU-E GX Configurator-TI Version 1 (Single license product) (CD-ROM) 1

SW1D5C-QTIU-EA GX Configurator-TI Version 1 (Volume license product) (CD-ROM) 1

Q68TD-G-H02 channel isolated thermocouple input module 1

Cold junction temperature compensation resistor (RTD) 1

(2) Q68TD-G-H01

Model Product name Quantity

Q68TD-G-H01

SW1D5C-QTIU-E GX Configurator-TI Version 1 (Single license product) (CD-ROM) 1

SW1D5C-QTIU-EA GX Configurator-TI Version 1 (Volume license product) (CD-ROM) 1

Q68TD-G-H01 channel isolated thermocouple input module 1

Cold junction temperature compensation resistor (RTD) 1

A - 12

1

OVERVIEW

CHAPTER1 OVERVIEW

This user's manual provides the specifications, handling instructions, programming
procedures and other information of the Q68TD-G-H02 or Q68TD-G-H01 channel isolated
thermocouple input module (referred to as the Q68TD-G-H02(H01)), which is designed to
use with the MELSEC-Q series CPU module (referred to as the programmable controller
CPU).

The Q68TD-G-H02(H01) is a module designed to convert thermocouple input values from
outside the programmable controller into 16-bit signed binary measured temperature
values and 16-bit signed binary scaling values (ratios).

Programmable
controller CPU

Q68TD-G-H02(H01)

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

TO
instruction

FROM
instruction

(Buffer memory)

Initial setting

Measured

temperature value,

scaling value

reading

Figure 1.1 Overview of Q68TD-G-H02(H01)

* Refer to Section 3.4.17 for details of the scaling values.

Set data

Measured
temperature value

Scaling value

Measured
temperature value

Scaling value

*

*

Cold junction
temperature
compensation
channel

Channel 1

Temperature measurement

Channel 8

Resistance temperature
detector input
(by cold junction temperature
compensation resistor (RTD))

Thermocouple input

Thermocouple input

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

1 - 1

7

8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

1

OVERVIEW

1.1 Features

(1) Channels isolated

Q68TD-G-H02(H01) is channel isolated modules.

(2) 8 channels of temperatures measured by one module

One Q68TD-G-H02(H01) module can measure temperatures of 8 channels.
It can also convert the detected temperature values into scaling values (ratios (%)).

(3) Setting of conversion enable/disable

Conversion enable/disable setting for each channel is possible. Disabling conversion
for unused channels prevents unnecessary disconnection detection or monitor of
disconnection state on unused channels.

(4) Thermocouples conforming to JIS or IEC Standards usable

You can use eight different thermocouples (K, E, J, T, B, R, S, N) conforming to the
JIS or IEC Standards.
The types of thermocouples can be selected for each channel.

(5) Disconnection detection function (Q68TD-G-H02 only)

Disconnection status of thermocouple or compensating lead wire can be detected for
each channel by Disconnection detection flag.
Disconnection status can also be detected from the measured temperature value by
setting "Up scale", "Down scale" or "Given value" for the Conversion setting for
disconnection detection.

(6) Disconnection monitor function (Q68TD-G-H01 only)

Disconnection status of thermocouple or compensating lead wire can be checked on
each channel by Disconnection state monitor flag.
Disconnection status can also be checked from the measured temperature value by
setting "Up scale", "Down scale" or "Given value" for the Conversion setting for
disconnection detection.

(7) Selection of sampling processing, time average processing, count

average processing, moving average processing, and primary delay
filter

As a conversion processing method, sampling processing, time average processing,
count average processing, moving average or primary delay filter can be selected for
each channel.

1 - 2

(8) Cold junction temperature compensation by cold junction temperature

compensation resistor (RTD)

Cold junction temperature compensation is possible by connecting the supplied cold
junction temperature compensation resistor (RTD) and enabling the cold junction
temperature compensation.
Resistance temperature detector Pt100 is used for cold junction temperature
compensation resistor (RTD).

1.1 Features

1

OVERVIEW

(9) Error compensation by offset/gain value setting

Error compensation can be made by setting offset and gain values on each channel.
As the offset and gain values, you can make selection from user range setting and
factory default setting.

(10)Warning output function

(a) Process alarm warning output

(b) Rate alarm warning output

A warning can be output when the input range set by the user is exceeded.
Upper limit value and lower limit value can be set for each channel, and a setting
to have a difference (hysteresis) between warning output and warning clear is
also possible.

By setting a changing rate, a warning can be output when the changing rate is
exceeded.

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(11)Online module change

You can perform a module change without stopping the system.
Further "inheritance of offset/gain settings to the new Q68TD-G-H02 (H01) after
online module change" and "transfer of offset/gain settings to the other Q68TD-G-H02
(H01) mounted on the other slot" can be performed by executing the dedicated
instructions (G.OGLOAD, G.OGSTOR) or performing write to buffer memory and
turning the Y signal ON. (These functions are limited to between the modules of the
same model.)

(12)Easy setting with GX Configurator-TI

The use of GX Configurator-TI sold separately allows you to execute the
thermocouple input module setting on screen, resulting in reducing the number of
sequence programs.
Also, the use of GX Configurator-TI makes it easy to check the setting status and
operating status for modules.

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

1.1 Features

1 - 3

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

2

SYSTEM CONFIGURATION

CHAPTER2 SYSTEM CONFIGURATION

This chapter explains the system configuration of the Q68TD-G-H02 (H01).

2.1 Applicable Systems

This section describes applicable systems.

(1) Applicable modules and base units, and No. of modules

(a) When mounted with a CPU module

The table below shows the CPU modules and base units applicable to the
Q68TD-G-H02 (H01) and quantities for each CPU model.
Depending on the combination with other modules or the number of mounted
modules, power supply capacity may be insufficient.
Pay attention to the power supply capacity before mounting modules, and if the
power supply capacity is insufficient, change the combination of the modules.

Programmable
controller CPU

Table 2.1 Applicable modules, number of mountable modules, and applicable base units

Applicable CPU module

CPU type CPU model Main base unit Extension base unit

Q00JCPU Up to 16

Basic model QCPU

High Performance
model QCPU

Process CPU

Redundant CPU

Universal model QCPU

Safety CPU QS001CPU N/A

Q00CPU

Q01CPU

Q02CPU

Q02HCPU

Q06HCPU

Q12HCPU

Q25HCPU

Q02PHCPU

Q06PHCPU

Q12PHCPU

Q25PHCPU

Q12PRHCPU

Q25PRHCPU

Q00UJCPU Up to 8

Q00UCPU

Q01UCPU

Q02UCPU Up to 36

Q03UDCPU

Q04UDHCPU

Q06UDHCPU

Q10UDHCPU

Q13UDHCPU

Q20UDHCPU

Q26UDHCPU

Q03UDECPU

Q04UDEHCPU

Q06UDEHCPU

Q10UDHCPU

Q13UDEHCPU

Q20UDEHCPU

Q26UDEHCPU

No. of modules

Up to 24

Up to 64

Up to 64

Up to 53

Up to 24

Up to 64

*1

Applicable base unit

*2

*3

2 - 1

2.1 Applicable Systems

2

SYSTEM CONFIGURATION

C Controller module

Table 2.1 Applicable modules, number of mountable modules, and applicable base units

Applicable CPU module

CPU type CPU model Main base unit Extension base unit

Q06CCPU-V

Q06CCPU-V-B

Q12DCCPU-V

* 1 Limited within the range of I/O points for the CPU module.
* 2 Restrictions apply to mountable slot position. (Refer to (2) in this section)
* 3 Connection of extension base units is not available with any safety CPU.

No. of modules

Up to 64

*1

Applicable base unit

*2

:Applicable, :N/A

Remark

When using with a C Controller module, refer to the C Controller Module User's
Manual.

(b) Mounting to a MELSECNET/H remote I/O station

The table below shows the network modules and base units applicable to the
Q68TD-G-H02 (H01) and quantities for each network module model.
Depending on the combination with other modules or the number of mounted
modules, power supply capacity may be insufficient.
Pay attention to the power supply capacity before mounting modules, and if the
power supply capacity is insufficient, change the combination of the modules.

1

2

3

4

OVERVIEW

SYSTEM

CONFIGURATION

SPECIFICATIONS

Table 2.2 Applicable modules, number of mountable modules, and applicable base units

Applicable network module

QJ72LP25-25

QJ72LP25G

QJ72LP25GE

QJ72BR15

* 1 Limited within the range of I/O points for the network module.
* 2 Restrictions apply to mountable slot position. (Refer to (2) in this section)

Number of modules

Up to 64

*1

Main base unit of remote I/O

station

Remark

The Basic model QCPU or C Controller module cannot create the MELSECNET/
H remote I/O network.

(2) Restrictions on mountable slot position

(a) Restrictions in using both the Q68TD-G-H02 and Q68TD-G-H01

When mounting the Q68TD-G-H02 and Q68TD-G-H01 on the same base unit,
provide one or more than one slot of space between the Q68TD-G-H02 and
Q68TD-G-H01.

Base unit

*2

Extension base unit of

remote I/O station

:Applicable, :N/A

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

2.1 Applicable Systems

TROUBLESHOOTING

2 - 2

2

SYSTEM CONFIGURATION

(b) Restriction on mountable slot position of the Q68TD-G-H01

The Q68TD-G-H01 has restrictions on mountable slot position.
The following describes the restrictions of the slot position when mounting the
Q68TD-G-H01 with a combination of the power supply module and the base unit.
For the slot that the Q68TD-G-H01 cannot be mounted, leave the slot open or
mount a module other than the Q68TD-G-H01.
The combination use of modules other than the following power supply modules
and the base units does not have restrictions.
When using the Q68TD-G-H01 on the remote I/O station, the restriction is the
same as for the main base unit.
When failing to comply with the following restrictions, the accuracy might not be in
the specification range.

Table 2.3 Restriction on mountable slot position

Power supply module

Q63P

Q63RP

Q64P Mount the module to I/O slot No.1 or

Q64RP

No restrictions

later. 1)

Restrictions

Main base unit Extension base unit

Mount the module to I/O slot No.1 or

later. 2)
Mount the module to I/O slot No.2 or

later. 3)

1)

Not mountable

Power

supply

OUT

CPU

No.0

I/01 I/01

Slot

Mountable

Slot

No.1

Slot

No.2

Figure 2.1 Mountable slot position of Q68TD-G-H01

2)

Power
supply

OUT

IN

Not mountable

Slot

No.0

I/01 I/01

Mountable

Slot

No.1

Slot

No.2

Figure 2.2 Mountable slot position of Q68TD-G-H01

3)

Not mountable Mountable

2 - 3

IN

Figure 2.3 Mountable slot position of Q68TD-G-H01

2.1 Applicable Systems

Power

supply

OUT

Slot

No.0

I/01 I/01

Slot

No.1

Slot

No.2

2

SYSTEM CONFIGURATION

(3) Support of the multiple CPU system

The function version of the first released Q68TD-G-H02 (H01) is C, and it supports
multiple CPU systems.
When using the Q68TD-G-H02 (H01) in a multiple CPU system, refer to the following
manual first.

• QCPU User's Manual (Multiple CPU System).

(a) Intelligent function module parameters

Write intelligent function module parameters to only the control CPU of the
Q68TD-G-H02 (H01).

(4) Compatibility with online module change

The Q68TD-G-H02 (H01) is compatible with online module change from the initial
product with function version C.
Refer to CHAPTER 7.

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(5) Supported software packages

Relation between the system containing the Q68TD-G-H02 (H01) and software
package is shown in the following table.
GX Developer is necessary when using the Q68TD-G-H02 (H01).

Table 2.4 Compatible software and software version

System

Q00J/Q00/Q01CPU

Q02/Q02H/Q06H/

Q12H/Q25HCPU

Q02PH/Q06PHCPU

Q12PH/Q25PHCPU

Q00UJ/Q00U/

Q01UCPU

Q12PRH/Q25PRHCPU Redundant system Version 8.45X or later

Q10UDH/Q20UDHCPU

Q02U/Q03UD/

Q04UDH/Q06UDHCPU

Q13UDH/

Q26UDHCPU

Q03UDE/Q04UDEH/

Q06UDEH/

Q13UDEH/

Q26UDEHCPU

Q10UDEH/

Q20UDEHCPU

If installed in a MELSECNET/H remote I/O station Version 6 or later

Single CPU system Version 7 or later

Multiple CPU system Version 8 or later

Single CPU system Version 4 or later

Multiple CPU system Version 6 or later

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

Single CPU system

Multiple CPU system

GX Developer GX Configurator-TI

Version 8.68W or later

Version 7.10L or later

Version 8.76E or later

Version 8.76E or later

Version 8.48A or later

Version 8.62Q or later

Version 8.68W or later

Version 8.76E or later

Software Version

Version 1.28AE or later (Q68TD-G-H02)

Version 1.24AA or later (Q68TD-G-H01)

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

2.1 Applicable Systems

TROUBLESHOOTING

2 - 4

2

SYSTEM CONFIGURATION

2.2 About Use of the Q68TD-G-H02 (H01) with the Q12PRH/
Q25PRHCPU

Here, use of the Q68TD-G-H02 (H01) with the Q12PRH/Q25PRHCPU is explained.

(1) Dedicated instruction

The dedicated instruction cannnot be used.

(2) GX Configurator-TI

GX Configurator-TI cannot be used when accessing the Q12PRH/Q25PRHCPU via
an intelligent function module on an extension base unit from GX Developer.
Connect a personal computer with a communication path indicated below.

12

Main base unit

Extension base unit

(GX Configurator-TI cannot be used.)

Direct connection to use the CPU

1

Connection through an intelligent function module on the main base unit

2

(Through Ethernet module, MELSECNET/H module, or CC-Link module)

Figure 2.4 Communication path available for GX Configurator-TI

2 - 5

2.2 About Use of the Q68TD-G-H02 (H01) with the Q12PRH/Q25PRHCPU

2

)

SYSTEM CONFIGURATION

2.3 How to Check the Function Version, Product Information and
Software Version

1

This section describes how to check the function version and product information of the
Q68TD-G-H02 (H01) and the GX Configuration-TI software version.

(1) Checking on the rating plate on the side of the module

(a) The function version and serial number of the module are printed in the SERIAL

section of the rating plate.

09071

Figure 2.5 Rating plate

Serial No. (first 5 digits

Function version

Relevant regulation
standards

(2) Checking through GX Developer

The following explains how to check the function version and serial No. of the module
through GX Developer.
The function version and serial number can be checked on the "Product Information
List" or "Module Detailed Information" screen of GX Developer.
The following shows how to check them on the "Product Information List" screen.

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

[Operation procedure]

[Diagnostics] [System monitor] button

Figure 2.6 "Product Information List" screen

2.3 How to Check the Function Version, Product Information and Software Version

Product Inf. List

2 - 6

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

TROUBLESHOOTING

2

SYSTEM CONFIGURATION

[Serial No,, Ver., and Product No.]

• The serial No. of the module is displayed in the "Serial No." column.

• The function version of the module is displayed in the "Ver." column.

• The serial No. (Product No.) printed on the rating plate is displayed in the

"Product No." column.
For the Q68TD-G-H02 (H01), "-" is displayed since it does not support the
Product No. display.

* 1 The "Product No." column appears only when the CPU module is the Universal model QCPU.

POINT

The serial No. on the rating plate may not match the one displayed in the Product
Information List of GX Developer.

• The serial No. on the rating plate indicates the management information
of the product.

• The serial No. displayed in the Product Information List of GX Developer
indicates functional information of the product.
The functional information of the product is updated when a new function
is added.

*1

(3) Checking the software version of GX Configurator- TI

The software version of GX Configurator- TI can be checked in GX Developer's
"Product information" screen.

[Operating procedure]

GX Developer [Help] [Product information]

Software version

2 - 7

("Product information" screen of GX Developer Version 8)

Figure 2.7 How to check the software version of GX Configurator- TI

2.3 How to Check the Function Version, Product Information and Software Version

3

SPECIFICATIONS

CHAPTER3 SPECIFICATIONS

3.1 Performance Specifications

The following are the performance specifications of the Q68TD-G-H02 (H01).

(1) List of performance specifications

Table 3.1 List of performance specifications

Item

Number of channels 8 channels

Temperature

Ouput

Thermocouple compliance

standards

Applicable thermocouple and

conversion accuracy

*1

Cold junction compensation

accuracy *1

Accuracy *1 Caluculated with formula *2

Resolution

Conversion speed *3 640ms/8 channels 320ms/8 channels

Sampling period *4 320ms/8 channels

Number of analog input

points

Isolation specifications

Disconnection detection Available (each channel respectively)*5 Not available*6

Maximum number of writes to

flash memory

Number of I/O points

occupied

External connection system 40-pin connector

Applicable wire size

External device connector

(sold separately)

Internal current consumption

(5VDC)

Weight 0.22kg 0.18kg

External dimensions

conversion value

Scaling value 16-bit signed binary

Specific isolated area

Between thermocouple input

channel and programmable

controller power supply

Between thermocouple input

Between cold junction

compensation channel and

programmable controller power

Q68TD-G-H02 Q68TD-G-H01

16-bit signed binary (-2700 to 18200)

JIS C1602-1995,IEC 60584-1(1995),IEC60584-2(1982)

8 channels + cold junction compensation channels/ 1 module

channels

supply

16 points (I/O assignment: Intelligent 16 points)

0.65A 0.49A

102(H) 27.4(W) 130(D)mm 98(H) 27.4(W) 90(D)mm

Specifications

Refer to (2) in this section

1.0

B,R,S,N: 0.3 K,E,J,T: 0.1

Isolation

method

Transfer

isolation

Trasnfer

isolation

No isolation - -

2

0.3mm

Dielectric withstand

voltage

500VACrms for 1min

1000VACrms for 1min

50,000

(AWG#22) or less

A6CON4

Isolation resistance

500VDC 10M or more

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

3.1 Performance Specifications

TROUBLESHOOTING

3 - 1

3

SPECIFICATIONS

* 1 To satisfy with the accuracy, a warm-up (power distribution) period of 30 minutes is required.
* 2 Calculate the accuracy in the following method.

(Accuracy) = (conversion accuracy) + (temperature characteristic) (operating ambient
temperature variation) + (cold junction temperature compensation accuracy)
An operating ambient temperature variation indicates a deviation of the operating ambient

temperature from the 25 5 range.
Example: When using the thermocouple B (refer to Section 3.1 (2)) with the operating ambient

temperature of 35 and the measured temperature of 1000 , the accuracy is as follows.

( 2.5 )+( 0.4 ) (35 -30 )+( 1 )= 5.5

* 3 The conversion speed indicates the maximum time from when the input temperature changes till

when the measured temperature value of buffer memory is batch-updated.

* 4 The sampling period indicates the period batch-updating the measured temperature value in one

channel.

* 5 When disconnection state is detected, output values are selected from "Up scale", "Down scale" or

Given scale". (Refer to Section 3.2.2)

* 6 The Q68TD-G-H01 does not have the disconnection detection function. However, the

disconnection monitor function is available to select a measured temperature value on a
disconnection occurrence from either "Up scale", "Down scale", or "Given value". (Refer to Section

3.2.3)
It takes up to 11s to check a disconnection state.

3 - 2

3.1 Performance Specifications

3

SPECIFICATIONS

1

(2) Usable Thermocouples and Conversion Accuracies

The following table explains the usable thermocouples and conversion accuracies.

Usable

Thermo

couple

Typ e

B

R

S

K

E

J

T

N

Table 3.2 Usable thermocouples and conversion accuracies

Measured Temperature

Range*1

0 to 600

600 to 800

800 to 1700

1700 to 1820

-50 to 0

0 to 300

300 to 1600

1600 to 1760

-50 to 0

0 to 300

300 to 1600

1600 to 1760

-270 to -200

-200 to 0

0 to 1200

1200 to 1370

-270 to -200

-200 to 0

0 to 900

900 to 1000

-210 to -40

-40 to 750

750 to 1200

-270 to -200

-200 to 0

0 to 350

350 to 400

-270 to -200

-200 to 0

0 to 1250

1250 to 1300

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

Conversion Accuracy
(At operating ambient

temperature 25 5 )

------*3 ------*3 ------*3

3.0

2.5 12.5

------*3 ------*3 ------*3

------*3 ------*3 ------*3

2.5 0.4 12.5

2.0 0.3 9.5

------*3 ------*3 ------*3

------*3 ------*3 ------*3

2.5 0.4 12.5

2.0 0.3 9.5

------*3

------*3 ------*3 ------*3

Larger value of 0.5 and

0.5% of measured temperature

Larger value of 0.25 and

0.5% of measured temperature

------*3 ------*3 ------*3

------*3 ------*3 ------*3

Larger value of 0.5 and

0.5% of measured temperature

Larger value of 0.5 and

0.25% of measured temperature

------*3 ------*3 ------*3

------*3 ------*3 ------*3

Larger value of 0.5 and

0.25% of measured temperature

------*3 ------*3 ------*3

------*3 ------*3 ------*3

Larger value of 0.5 and

0.5% of measured temperature

Larger value of 0.5 and

0.25% of measured temperature

------*3 ------*3 ------*3

------*3 ------*3 ------*3

Larger value of 0.5 and

0.5% of measured temperature

Larger value of 0.5 and

0.25% of measured temperature

------*3 ------*3 ------*3

Temperature Characteristic

(Per operating ambient

temperature variation of 1 )

0.4

------*3 ------*3

Larger value of 0.06 and

0.2% of measured temperature

Larger value of 0.06 and

0.02% of measured temperature

Larger value of 0.06 and

0.15% of measured temperature

Larger value of 0.06 and

0.02% of measured temperature

Larger value of 0.06 and

0.02% of measured temperature

Larger value of 0.06 and

0.1% of measured temperature

Larger value of 0.06 and

0.02% of measured temperature

Larger value of 0.06 and

0.2% of measured temperature

Larger value of 0.06 and

0.02% of measured temperature

Max. Temperature

Error at Ambient

Temperature 55

13.0

11. 0

9.0

8.5

6.75

5.625

6.0

2.625

11. 0

9.375

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

3.1 Performance Specifications

TROUBLESHOOTING

3 - 3

3

SPECIFICATIONS

* 1 If a value entered from the thermocouple is outside the measured temperature range given in the

table, it is handled as the maximum/minimum value of the measured temperature range.

* 2 The accuracies only in the temperature ranges of Class 1 to 3 (shaded areas) in JIS C1602-1995

apply.
Also, a warm-up (power distribution) period of 30 minutes is required to satisfy with the accuracy.

* 3 Temperature measurement can be executed, but accuracy is not guaranteed.

3 - 4

3.1 Performance Specifications

3

SPECIFICATIONS

3.2 Function List

The following table lists the Q68TD-G-H02 (H01) functions.

1

Table 3.3 Function list

Item Description Refer To

Temperature conversion

function

Temperature conversion

system

Conversion enable/disable

function
Thermocouple type

selection function
Disconnection detection

function

(Q68TD-G-H02 only)
Conversion setting for

disconnection detection

function

(Q68TD-G-H02 only)
Disconnection monitor

function

(Q68TD-G-H01 only)
Disconnection state

conversion setting function

(Q68TD-G-H01 only)

Cold junction temperature

compensation with/without

setting function

Cold junction temperature

compensation resistor

disconnection detection

function

Warning output function

Scaling function

Offset/gain setting function This function compensates an error of measured temperature value.

Online module change A module change is made without the system being stopped. CHAPTER 7

This function allows temperature data to be imported by connecting a thermocouple.

Temperature data are 16-bit signed binary (-2700 to 18200) and stored into buffer memory.
(1) Sampling processing

A temperature input value is converted one by one on each channel and a measured

temperature value is output after every conversion. Then the value is stored into buffer

memory.

(2) Averaging processing

This processing averages a measured temperature value for each channel and the

averaged value is stored into buffer memory.

Averaging processing contains three methods as described below.
(a) Time average
(b) Count average
(c) Moving average

(3) Primary delay filter

Measured temperature values are smoothed by a preset time constant.
This function specifies whether temperature conversion is enabled or disabled on each

channel.

This function sets the type of thermocouple on each channel. Section 4.5

This function checks the disconnection of the connected thermocouple on each conversion-

enabled channel.

This function is to select a value to be stored in the CH Measured temperature value

(Un\G11 to Un\G18) from "Up scale", "Down scale" or "Given scale" when disconnection is

detected.

This function checks the disconnection of the connected thermocouple on each conversion-

enabled channel.

This function is to select a value to be stored in the CH Measured temperature value

(Un\G11 to Un\G18) from "Up scale", "Down scale" or "Given scale" when disconnection is

detected.
This function determines whether to use cold junction temperature compensation.

Use this function to measure temperatures at high accuracy when the cold junction

temperature compensation accuracy ( 1 ) cannot be taken as a margin of error.

The cold junction temperature compensation accuracy can be improved by disabling the

cold junction temperature compensation and providing a precision ice bath externally.

This function detects a disconnection of connected cold junction temperature compensation

resistor (RTD).

(1)

Process alarm

When measured temperature value exceeds the preset range, a warning is output.

(2)

Rate alarm

When the change of measured temperature value exceeds the preset change, a

warning is output.

This function can convert a measured temperature value into a preset range ratio (%) and

import it into buffer memory.

3.2 Function List

Section 3.4.5

Section 3.2.1

Section 3.4.2

Section 3.4.15

Section 3.2.2

Section 3.4.16

Section 3.2.3

Section 4.7

Section 3.2.5

Section 3.2.4

Section 3.4.17

to

Section 3.4.20
Section 3.4.11

Section 4.6

3 - 5

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

TROUBLESHOOTING

3

SPECIFICATIONS

3.2.1 Temperature conversion system

(1) Temperature conversion of Q68TD-G-H02(H01)

(a) Sampling period

The Q68TD-G-H02(H01) measures the temperature from CH1 to CH8 every
40ms per channel.
The sampling period indicates the period (320ms) batch-updating the measured
temperature value in one channel in the case of that the sampling processing is
specified with the Averaging processing selection (Un\G24 and Un\G25).
Regardless of the number of conversion-enabled channels, the measured
temperature values are stored in the buffer memory every 320ms.

(b) Conversion speed

The conversion speed indicates the maximum time required before the measured
temperature values are stored into the buffer memory.
The following figure shows the timing of storing the measured temperature values
of Q68TD-G-H02 and Q68TD-G-H01 respectively.

Input temperature input

from outside to CH1

Measured temperature

value of CH1 in the

Q68TD-G-H01

Measured temperature

value of CH1 in the

Q68TD-G-H02

Trend of CH1 input

temperature (A)

Sampling period

(320ms)

1) 2)

CH1 CH1 CH1 CH1CH2 CH8

The measured temperature
value of 1) is stored

CH1 CH1 CH1 CH1CH2 CH8

Sampling period

(320ms)

The measured temperature
value of 2) is stored

Maximum

320ms

The measured temperature
value of 1) is stored

Sampling period

(320ms)

3) 4)

The measured temperature
value of 3) is stored

The measured temperature
value of 2) is stored

Maximum

640ms

Sampling period

(320ms)

The measured temperature
value of 4) is stored

The measured temperature
value of 3) is stored

At this point, the CH1

measured temperature

value of the buffer memory,

which is measured with

the trend of (A), is stored.

At this point, the CH1

measured temperature

value of the buffer memory,

which is measured with

the trend of (A), is stored.

3 - 6

Figure 3.1 Q68TD-G-H01 and Q68TD-G-H02 conversion speed overview

(2) Sampling processing

Measured temperature value that is measured at every 320ms of sampling period is
stored in the buffer memory.

3.2 Function List

3.2.1 Temperature conversion system

3

SPECIFICATIONS

(3) Averaging processing

Averaging processing requires at least 2 times of conversion processing excluding the
maximum and the minimum values.
After the first averaging processing is completed, the corresponding bit for a channel
where processing has been completed of the Conversion completion flag (Un\G10)
turns ON (changes to "1").

(a) Time average

Conversion is executed for a period of set time, and the total value, which
excludes the maximum and the minimum values, is averaged and stored in the
buffer memory.
The number of processing times within the set time is below.

Number of processing times (times) = set time sampling period (320ms)

Setting range of time average is 1280 to 5000ms.

When setting a value out of the setting range, an error (error code 20 ) occurs.

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

[Example]
When six channels, channels 1, 2, 3, 4, 5, 6, are enabled for conversion and the
set time is 2000ms, measurement is executed for six times and the average value
is output.

2000 320 =6.25 (times)...... Drop the fractional part

(b) Count average

Conversion is executed for a preset number of times, and the total value
excluding the maximum and the minimum values is averaged and stored in the
buffer memory.
The processing time is below.

Processing time = set count

Setting range of count average is 4 to 500 times.

When setting a value out of the setting range, an error (error code 30 ) occurs.

[Example]
When six channels, channels 1, 2, 3, 4, 5, 6, are enabled for conversion and the
count averaging is set to 5 times, the average value is output for every 1600(ms).

5

320 = 1600 (ms)

320(ms)

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

3.2 Function List

3.2.1 Temperature conversion system

3 - 7

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(c) Moving average

Measured temperature values, which are taken at every sampling period for the
specified number of times, are averaged and stored in the buffer memory.
The latest measured temperature value can be obtained because the averaging
processing is executed moving for each sampling period.

Measured
temperature value

10000

8000

CH[] measured temperature value

(Un\G11 to Un\G18)

Conversion completion flag

(Un\G10)

Figure 3.2 Moving average processing for four times settings

Data transition in buffer memory

1st storage

1) + 2) + 3) + 4) 2) + 3) + 4) + 5) 3) + 4) + 5) + 6)

444

Figure 3.3 Buffer memory data change in average processsing

Sampling period (320ms)

3)

2)

1)

0

0

OFF(0)

4)

2nd storage

5)

6)

(a) (b) (c)

8)

7)

ON(1)

3rd storage

9)

11)

10)

1st storage

2nd storage

3rd storage

Time [ms]

12)

3 - 8

3.2 Function List

3.2.1 Temperature conversion system

3

)

SPECIFICATIONS

(4) Primary delay filter

By a preset time constant, measured temperature value of which excessive noise is
smoothed is output.
Depending on the time constant, the degree of smoothness changes.
Time constant is the time until the measured temperature value reaches to 63.2% of
the steady-state value.
The relational expression between the time constant and measured temperature
value is shown below.

[When n=1]

Y

n = 0

[When n=2]

Yn = yn-1 +

[When n 3]

Yn = Yn-1 +

t

t + TA

t

t + TA

(yn - yn-

(yn - Yn-

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

1)

SPECIFICATIONS

1

4

Y

n: Current measured

temperature

Y

n-1: Preceding measured

temperature value

n: Number of sampling times

TA: Time constant (320 to

5000ms)

*: Conversion completion flag turns ON(1) when n 2.

Setting range of time constant is 320 to 5000ms.
Set the time constant value which is twice as much as the sampling period (320ms).
If the time constant value is not twice as much as the sampling period (320ms), the
value in which the remainder is rounded down is set.

When setting a value out of the setting range, an error (error code 32 ) occurs.

yn: Measured temperature value before

smoothing

yn-1: Preceding measured temperature

value before smoothing

Conversion time (320ms)

t:

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

TROUBLESHOOTING

3.2 Function List

3.2.1 Temperature conversion system

3 - 9

3

SPECIFICATIONS

[Example 1: Measured temperature value when the temperature input value is changed

from 250.0

When the time constant setting is 3200ms (3.2s), the measured temperature value
changes as indicated below.

At 3200ms (3.2s) after the temperature input value is changed to 260.0 , the

measured temperature value reaches 63.2% (256.3 )of the value when sampling
processing is selected.

to 260.0 ]

262.0 2620

260.0

258.0

256.0

254.0

252.0

Temperture input value ( )

250.0

Figure 3.4 Measured temperature value when the temperature input value is changed from 250.0 to 260.0

Temperture input value

0 3200

Elapsed time (ms)

Measured temperature value

2600

2580

2560

2540

2520

2500

[Example2: Measured temperature value when the change of temperature input value is a
waveform with ringing]

The changes of measured temperature values when the time constant setting is
1280ms(1.28s), 640ms(0.64s) or the moving average processing is 4 times are shown
below.

Measured temperature value
(Time constant setting 640ms)

Measured temperature value
(Time constant setting 1280ms)

2620

2600

262.0

260.0

Temperature input value

Measured temperature value
(Moving average processing 4 times)

Measured temperature value

7000

2580

2560

2540

2520

Measured temperature value

2500

258.0

256.0

254.0

252.0

Temperture input value ( )

250.0
0

Figure 3.5 Measured temperature value when the change of temperature input value is a waveform with ringing

1000

2000

3000

4000

Elapsed time (ms)

5000

6000

3 - 10

3.2 Function List

3.2.1 Temperature conversion system

3

SPECIFICATIONS

3.2.2 Conversion setting for disconnection detection function
(Q68TD-G-H02 only)

The conversion setting for disconnection detection function stores specific values into
measured temperature values when disconnection is detected.
This function can identify the disconnection detection from measured temperature values.
This function is only available for channels enable temperature conversion.

(1) Overview of disconnection detection

Maximum 1600msMaximum 640ms

Normal

Disconnection detection signal (XC)

Disconnected

Normal

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

Disconnection detection flag (Un\G49)

CH Measured temperature value

(Un\G11 to Un\G18)

Error clear request (YF)

Figure 3.6 Overview of disconnection detection

Normal(0)

Measured
temperature
value

Disconnected(1)

Conversion setting value
for disconnection detection

Normal(0)

Measured
temperature
value

(a) It takes up to 640ms till when disconnection is detected.

When disconnection is detected, Disconnection detection flag (Un\G49) and
Disconnection detection signal (XC) turn on. Consequently, “ALM” LED blinks.

(b) When disconnection is detected, the value selected from “Up scale”, “Down scale”

or “Given value” in Conversion setting for disconnection detection

(Un\G164,Un\G165) is stored into CH Measured temperature value (Un\G11 to
Un\G18).
The values specified in Conversion setting for disconnection detection
(Un\G164,Un\G165) remains from when disconnection state is restored till when
normal measured temperature value is stored.

(c) After disconnection state is restored, the batch-update of measured temperature

value restarts automatically.
It takes up to 1600ms from when disconnection state is restored till when

measured temperature value is stored into CH Measured temperature value
(Un\G11 to Un\G18).

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

(d) The state of Disconnection detection flag (Un\G49), Disconnection detection

signal (XC), and “ALM” LED, which means the state of disconnection detection,
remain even when disconnection state is restored. Turn on Error clear request
(YF).

(e) For operating the warning output function in disconnection and restoration, refer

to Section 3.2.4.

3.2 Function List

3.2.2 Conversion setting for disconnection detection function (Q68TD-G-H02 only)

3 - 11

7

8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(2) Setting methods

When “Up scale”, “Down scale” or “Given value” is selected in Conversion setting for

disconnection detection (Un\G164, Un\G165), the value to be stored into CH
Measured temperature value (Un\G11 to Un\G18) in disconnection detection can be
specified.

(a) Up scale and down scale

When “Up scale” (0H) or “Down scale” (1H) is selected, an up scale value or down
scale value of thermocouple-type to be used is stored into the CH Measured
temperature value (Un\G11 to Un\G18).

Thermocouple

type

Thermocouple K 0

Thermocouple E 1

Thermocouple J 2

Thermocouple T 3

Thermocouple B 4

Thermocouple R 5

Thermocouple S 6

Thermocouple N 7

Table 3.4 Upscale and down scale list

Setting value

Measurement

range

-270 to 1370 1452.0 -352.0

-270 to 1000 1063.5 -333.5

-210 to 1200 1270.5 -280.5

-270 to 400 433.5 -303.5

0 to 1820 1911.0 -91.0

-50 to 1760 1850.5 -140.5

-50 to 1760 1850.5 -140.5

-270 to 1300 1378.5 -348.5

Measured temperature value when

disconnection is detected.

Up scale Down scale

(b) Given value

When “Given value” (2H) is selected, set a value in the CH Conversion setting

value for disconnection detection (Un\G166 to Un\G173) in units of 0.1 .

The value set in the buffer memory above is stored into the CH Measured
temperature value (Un\G11 to Un\G18) when disconnection is detected.

3 - 12

3.2 Function List

3.2.2 Conversion setting for disconnection detection function (Q68TD-G-H02 only)

3

SPECIFICATIONS

3.2.3 Disconnection state conversion setting function (Q68TD-G-H01
only)

This disconnection state conversion setting function stores specific values into measured
temperature values when disconnection is checked.
This function can identify the disconnection detection from measured temperature values.
This function is only available for channels enable temperature conversion.

(1) Overview of disconnection monitor

Maximum 11s Maximum 11s

Normal Normal

Disconnection state

monitor signal (XC)

Disconnection state monitor

flag (Un\G49)

Disconnected

Normal(0) Normal(0)Disconnected(1)

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

CH Measured temperature value

(Un\G11 to Un\G18)

Error clear request (YF)

Figure 3.7 Overview of disconnection monitor

Measured
temperature
value

Measured
temperature value (in
a gradual decline)

Conversion setting for
disconnection state value

Measured
temperature
value

(a) It takes up to 11s from when line is disconnected till when disconnection is

monitored.
The measured temperature value decreases till when disconnection state is
checked.
When disconnection is checked, Disconnection state monitor flag (Un\G49) and
Disconnection state monitor signal (XC) turn on. Consequently, “ALM” LED blinks.

(b) When disconnection is checked, the value selected from “Up scale”, “Down scale”

or “Given value” in Disconnection state conversion setting (Un\G164,Un\G165) is

stored into the CH Measured temperature value (Un\G11 to Un\G18).
The values specified in Disconnection state conversion setting
(Un\G164,Un\G165) remains from when disconnection state is restored till when
normal measured temperature value is stored.

(c) After disconnection state is restored, the batch-update of measured temperature

value restarts automatically.
It takes up to 11s from when disconnection state is restored till when measured

temperature value is stored into CH Measured temperature value (Un\G11 to
Un\G18).

(d) The state of Disconnection state monitor flag (Un\G49), Disconnection state

signal (XC), and “ALM” LED remains, which means the state of disconnection
detection, remains even when disconnection state is restored. Turn on Error clear
request (YF).

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

(e) For operating the warning output function in disconnection and restoration, refer

to Section 3.2.4.

3.2 Function List

3.2.3 Disconnection state conversion setting function (Q68TD-G-H01 only)

3 - 13

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(2) Setting methods

When “Up scale”, “Down scale” or “Given value” is selected in Disconnection state

conversion setting (Un\G164,Un\G165), the value to be stored into the CH
Measured temperature value (Un\G11 to Un\G18) in disconnection check can be
specified.

(a) Up-scale and down-scale

When “Up scale” (0H) or “Down scale” (1H) is selected, an up-scale value or
down-scale value of thermocouple-type to be used is stored into the CH
Measured temperature value (Un\G11 to Un\G18).

Thermocouple

type

Thermocouple K 0

Thermocouple E 1

Thermocouple J 2

Thermocouple T 3

Thermocouple B 4

Thermocouple R 5

Thermocouple S 6

Thermocouple N 7

Table 3.5 Up-scale and down-scale list

Setting value

Measurement

range

-270 to 1370 1452.0 -352.0

-270 to 1000 1063.5 -333.5

-210 to 1200 1270.5 -280.5

-270 to 400 433.5 -303.5

0 to 1820 1911.0 -91.0

-50 to 1760 1850.5 -140.5

-50 to 1760 1850.5 -140.5

-270 to 1300 1378.5 -348.5

Measured temperature value when

disconnection is detected

Up scale Down scale

(b) Given value

When “Given value” (2H) is selected, set a value in the CH CH1 Conversion

setting value for disconnection state (Un\G166 to Un\G173) in units of 0.1 .

The value set in the buffer memory above is stored in the CH Measured
temperature value (Un\G11 to Un\G18) during disconnection state.

3 - 14

3.2 Function List

3.2.3 Disconnection state conversion setting function (Q68TD-G-H01 only)

3

SPECIFICATIONS

1

3.2.4 Warning output function

(1) Process alarm

(a) Warning occurrence

When the detected measured temperature value is higher than or equal to the
process alarm upper upper limit value or lower than or equal to the process alarm
lower lower limit value and falls in the warning output range, a warning occurs.
When a warning occurs, it is notified by storing "1" in the bit position
corresponding to the channel of the warning output flag (process alarm)(Un\G47),
and turning ON the warning output signal (XD) and the [ALM] LED.

(b) Warning clearance

After a warning occurrence, when the temperature value falls lower than the
process alarm upper lower limit value or rises higher than the process alarm lower
upper limit value and returns to within the setting range, the warning is cleared.
When the warning is cleared, "0" is stored in the bit position corresponding to the
channel of the warning output flag (process alarm)(Un\G47).
The warning output signal (XD) turns OFF and the "ALM" LED turns off only when
the process alarm and rate alarm warnings for all channels do not occur or are in
clearance state.

Warning output range section

Temperature

Upper upper

limit value

Upper lower

limit value

CH1 measured

temperature value

Lower upper

limit value

CH2 measured

temperature value

Lower lower

limit value

Warning
occurence

Warning
occurence

Warning clearance

Warning clearance

Out of warning output range section
Included

Warning
clearance

Warning
clearance

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

CH1 Process alarm upper
limit value (Un\G47,b0)

CH1 Process alarm lower
limit value (Un\G47,b1)

CH2 Process alarm upper
limit value (Un\G47,b2)

Warning output signal (XD)

Figure 3.8 Warning output occurence and clearance (Process alarm)

3.2 Function List

3.2.4 Warning output function

Time

3 - 15

7

8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(c) Settable range and default value differ according to the thermocouple type.

Set it in unit of 0.1 .

Thermocouple

type

Thermocouple K -2000 12000 -2700 to 13700 (-2000 to 12000)

Thermocouple E -2000 9000 -2700 to 10000 (-2000 to 9000)

Thermocouple J -400 7500 -2100 to 12000 (-400 to 7500)

Thermocouple T -2000 3500 -2700 to 4000 (-2000 to 3500)

Thermocouple B 6000 17000 0 to 18200 (6000 to 17000)

Thermocouple R 0 16000 -500 to 17600 (0 to 16000)

Thermocouple S 0 16000 -500 to 17600 (0 to 16000)

Thermocouple N -2000 12500 -2700 to 13000 (-2000 to 12500)

Table 3.6 Settable range and default value of process alarm

Default value

Process

alarm
lower

upper

limit

value

Process

alarm
lower
lower

limit

value

Process

alarm
upper
upper

limit

value

Process

alarm

upper

lower

limit

value

Settable temperature range

(Accuracy guarantee range)

(d) When time average or count average is specified, process-alarm processing is

executed for each preset time or count.
When other temperature conversion system (sampling processing, moving
average, or primary delay filter) is specified, process-alarm processing is
executed at every sampling time.

(e) When the value of the Conversion setting for disconnection detection

(Un\G164,Un\G165) or Disconnection state conversion setting
(Un\G164,Un\G165) is set for disconnection detection or disconnection check as
follows, a warning occur.

• The lower or equal value to the value set in the process alarm lower lower
limit is set.

• The higher or equal value to the value set in the process alarm upper upper
limit is set.

(2) Rate alarm

(a) Warning occurrence

When the measured temperature value is monitored at every rate alarm warning
detection period and the changed portion from the preceding value is larger than
or equal to the rate alarm upper limit value or smaller than or equal to the rate
alarm lower limit value, a warning occurs.
When a warning occurs, it is notified by storing "1" in the bit position
corresponding to the channel of the warning output flag (rate alarm)(Un\G48), and
turning ON the warning output signal (XD) and the [ALM] LED.

3 - 16

3.2 Function List

3.2.4 Warning output function

3

SPECIFICATIONS

(b) Warning clearance

After a warning occurrence, when the changed portion of the measured
temperature value falls lower than the rate alarm upper limit value or rises higher
than the rate alarm lower limit value, and returns to within the setting range, the
warning is cleared.
When the warning is cleared, "0" is stored in the bit position corresponding to the
channel of the warning output flag (rate alarm)(Un\G48).
The warning output signal (XD) turns OFF and the "ALM" LED turns off only when
the process alarm and rate alarm warings for all channels do not occur or are in
clearance state.

Measured
temperature
value

Rate alarm
warning
detection
period

CH1 measured
temperature
value

CH2
measured
temperature
value

1

2

3

4

OVERVIEW

SYSTEM

CONFIGURATION

SPECIFICATIONS

Rate alarm
warning
detection

Change of
measured
temperature
value ( C)

CH1 Rate alarm upper
limit value (Un\G48,b0)

CH1 Rate alarm lower
limit value (Un\G48,b1)

CH2 Rate alarm upper
limit value (Un\G48,b2)

Warning output signal (XD)

Figure 3.9 Warning output occurence and clearance (Rate alarm)

period

Change of CH2
measured
temperature value

Rate alarm
upper limit
value

Rate alarm
lower limit
value

Change of
CH1
measured
temperature
value

Time

Time

(c) Set the rate alarm upper limit/lower limit values in units of 0.1 for the measured

temperature range.

Setting range is -32768 to 32767 (-3276.8 to 3276.7 ).
Initial value is set to "0".

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

3.2 Function List

3.2.4 Warning output function

TROUBLESHOOTING

3 - 17

3

SPECIFICATIONS

(d) The rate alarm warning detection period is set based on the period batch-updating

measured temperature values and the number of the periods.
Setting range is 1 to 6000 (times).
Calculation method of the rate alarm warning detection period is below.

(Rate alarm warning detection period) =
(Setting value of the rate alarm warning detection period)
(Temperature measurement value update period)

[Example 1: When setting the rate alarm warning detection period to 150 times with
sampling processing]

Rate alarm warning detection period = 150 times

[Example 2: When setting the rate alarm warning detection period to 150 times with
2000ms of time average for the averaging processing)]

2000

320 = 6.25 (times) Drop the fractional part

The batch-updated period of 2000ms of time average is same as the period of 1920ms
(320ms 6 times)
Rate alarm warning detection period = 150 times

320ms = 48000ms = 48s

1920ms=288000ms = 288s

[Example 3: When setting the rate alarm warning detection period to 150 times with 10
times of count average for the averaging processing]

Rate alarm warning detection period = 150 times
480s

[Example 4: When setting the rate alarm warning detection period to 150 times with 4
times of moving average for the averaging processing)]

Rate alarm warning detection period = 150 times

(e) Rate alarm is effective to monitor a change of measured temperature values

within a limited range.

1) Setting example of the rate alarm upper limit/lower limit values for monitoring
that a measured temperature value rises within the specified range

Change of
measured
temperature
value ( C)

20.0

10.0

C

C

0

Rate alarm upper limit value

Rate alarm lower limit value

10 times 320ms = 480000ms =

320ms=48000ms = 48s

3 - 18

Time

Figure 3.10 Setting example of rate alarm upper limit or lower limit

3.2 Function List

3.2.4 Warning output function

3

SPECIFICATIONS

2) Setting example of rate alarm upper limit/lower limit values for monitoring that

a measured temperature value drops within the specified range

Change of
measured
temperature
value ( C)

Figure 3.11 Setting example of rate alarm upper limit or lower limit

3) Setting example of rate alarm upper limit/lower limit values for monitoring that

a measured temperature value changes within the specified range

Change of
measured
temperature
value ( C)

-10.0

-20.0

C

C

1

OVERVIEW

2

0

Rate alarm upper limit value

SYSTEM

CONFIGURATION

3

Rate alarm lower limit value

Time

SPECIFICATIONS

4

Rate alarm upper limit value

C

10.0

0

C

-10.0

Rate alarm lower limit value

Time

Figure 3.12 Setting example of rate alarm upper limit or lower limit

(f) When the value of the Conversion setting for disconnection detection

(Un\G164,Un\G165) or Disconnection state conversion setting
(Un\G164,Un\G165) is set for disconnection detection or disconnection check as
follows, a warning occur.

• The changed portion from the preceding value is smaller than or equal to the
rate alarm lower limit value.

• The changed portion from the preceding value is larger than or equal to the
rate alarm upper limit value.

(g) After connection is restored, preceding values required for rate alarm occurence

are cleared.
Therefore, a warning does not occur even though the changed portion of
measured temperature values before and after temperature conversion exceeds
the setting range when temperature conversion is restarted.

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

3.2 Function List

3.2.4 Warning output function

TROUBLESHOOTING

3 - 19

3

SPECIFICATIONS

3.2.5 Cold junction temperature compensation resistor disconnection
detection function

This function detects disconnection of cold junction compensation resistor (RTD).
When a cold junction compensation resistor (RTD) connected with a relay terminal block is
disconnected, an error (error code 800) occurs. Consequently, the Error flag (XF) turns on
and the “ERR” LED blinks to notify the error.

(1) Condition for detecting disconnection of cold junction compensation

resistor (RTD)

Disconnection of the cold junction temperature compensation can be detected only
when the switch setting 4 of the intelligent function modules is set to “with cold
junction compensation”.
The following shows the conditions in which the disconnection of the cold junction
temperature compensation resistor (RTD) can be detected.

Table 3.7 Disconnection detection of cold junction temperature compensation resistor

Connection state

Cold junction temperature

with/without setting

Error flag

RTD

Without disconnection

RTD

With disconnection

Without connection

(2) Operation for detecting disconnection of cold junction compensation

resistor (RTD)

When disconnection of cold junction temperature compensation resistor (RTD) is
detected, conversion for every conversion-enabled channel stops.
The measured temperature value for cold junction temperature compensation resistor
(RTD) disconnection remains the same as the measured value prior to the
disconnection detection.

+

-

GND

+

-

GND

+

-

GND

with

OFF

without

with ON

without OFF

with ON

without OFF

3 - 20

(3) Operation and processing for restoring disconnection of cold junction

compensation resistor (RTD)

Conversion processing does not restart even after the disconnection of the cold
junction temperature compensation resistor (RTD) is restored.
To restart the conversion processing, turn off the Error clear request (YF).

3.2 Function List

3.2.5 Cold junction temperature compensation resistor disconnection detection function

3

SPECIFICATIONS

3.3 I/O Signals Transferred to/from Programmable Controller CPU

This section describes the I/O signal assignment and signal functions.

1

3.3.1 I/O signal list

The following are the I/O signals of the Q68TD-G-H02 (H01).
The I/O numbers (X/Y) given in this chapter and later assume that the first I/O number of
the Q68TD-G-H02 (H01) is set to 0.

Table 3.8 I/O signal list

Input signal

(Signal direction:

Programmable controller CPU Q68TD-G-H02 (H01))

Device No. Signal name Device No. Signal name

X0 Module ready Y0

X1

X2 Y2

X3 Y3

X4 Y4

X5 Y5

X6 Y6

X7 Y7

X8 Y8

X9 Operating condition setting completion flag Y9 Operating condition setting request

XA Offset/gain setting mode status flag YA User range write request

XB Channel change completion flag YB Channel change request

XC

XD Warning output signal YD

XE Conversion completion flag YE

XF Error flag YF Error clear request

Reserved

Disconnection detection signal (Q68TD-G-H02 only)

Disconnection state monitor signal (Q68TD-G-H01

only)

*

Programmable controller CPU Q68TD-G-H02 (H01))

Y1

Reserved

YC

Reserved

Output signal

(Signal direction:

*

*

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

POINT

The reserved signals marked * are used by the system and are unavailable for the
user. Should they be turned on/off in a sequence program, we cannot guarantee
the functions of the Q68TD-G-H02 (H01).

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.1 I/O signal list

3 - 21

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8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.3.2 I/O signal details

The following are details of the Q68TD-G-H02 (H01) I/O signals.

(1) Module ready (X0)

(a) If the module is in the normal mode at power-on or resetting of the programmable

controller CPU, this signal turns on to start conversion processing as soon as it
gets ready for conversion.

(b) When this signal (X0) is off in the normal mode, conversion processing is not

performed. In the offset/gain setting mode, conversion processing is performed if
this signal (X0) is off.

(c) This signal (X0) turns off when:

• The module is in the offset/gain setting mode

• The Q68TD-G-H02 (H01) is in a watchdog timer error *1

* 1 Occurs if program operation is not completed within the intended time due to errors such as a

hardware fault of the Q68TD-G-H02 (H01). The RUN LED of the Q68TD-G-H02 (H01) goes off
when a watchdog timer error occurs.

(2) Operation condition setting completion flag (X9)

(a) When the following settings are changed, this signal is used as an interlock

condition to turn ON/OFF the operation condition setting request (Y9).

• Conversion enable/disable setting (Un\G0)

• CH Time/Count/Moving average/Time constant setting (Un\G1 to Un\G8)

• Averaging processing selection (Un\G24,Un\G25)

• Warning output enable/disable setting (Un\G46)

• Scaling valid/invalid setting (Un\G58)

• CH Scaling range upper/lower limit value (Un\G62 to Un\G77)

• CH Scaling width upper/lower limit value (Un\G78 to Un\G93)

• CH Process alarm upper/lower limit value (Un\G94 to Un\G125)

• CH Rate alarm warning detection period (Un\126 to Un\G133)

• CH Rate alarm upper/lower limit value (Un\G134 to Un\G149)

• Conversion setting for disconnection detection (Un\G164,Un\G165) (Q68TD­G-H02 only)

• Disconnection state conversion setting (Un\G164,Un\G165) (Q68TD-G-H01
only)

• CH Conversion setting value for disconnection detection (Un\G166 to
Un\G173) (Q68TD-G-H02 only)

• CH Conversion setting value for disconnection state (Un\G166 to Un\G173)
(Q68TD-G-H01 only)

3 - 22

(b) When Operation condition setting completion flag (X9) is OFF, conversion

processing is not carried out.

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3

SPECIFICATIONS

(c) Operating condition setting completion flag (X9) turns OFF in the following status.

• When Operating condition setting request (Y9) is ON.

Module ready (X0)

Operating condition
setting completion flag (X9)

Operating condition setting
request (Y9)

Conversion enable/disable
setting (Un\G0)

Conversion completion
flag (XE)

Figure 3.13 When Operating condition setting request (Y9) is ON

(3) Offset/gain setting mode status flag (XA)

Executed in Q68TD-G-H02(H01)
Executed in sequence program

Conversion
disabled

Conversion enabled

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(a) In offset/gain setting mode

1) This signal is used as an interlock condition to turn ON/OFF the user range
write request (YA) when the value at completion of offset/gain setting
adjustment is registered.

2) See Section 4.6 regarding the offset/gain settings.

Executed in Q68TD-G-H02(H01)

Executed in sequence program

OFF

Module ready (X0)

Offset/gain setting mode
status flag (XA)

User range write request (YA)

Figure 3.14 Offset/gain setting mode status flag (XA) during offset/gain setting mode

(b) In normal mode

1) This signal is used as an interlock condition to turn ON/OFF the user range
write request (YA) when the user range is restored.

2) Refer to CHAPTER 7 for the user range restoration.

Executed in Q68TD-G-H02(H01)
Executed in sequence program

ON

Module ready (X0)

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

Offset/gain setting mode status
flag (XA)

User range write request (YA)

Figure 3.15 Offset/gain setting mode status flag (XA) during normal mode

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3 - 23

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(4) Channel change completion flag (XB)

(a) This signal is used as an interlock condition to turn ON/OFF the channel change

request (YB) when changing the channel for the offset/gain setting.

(b) For offset/gain setting, refer to Section 4.6.

Executed in Q68TD-G-H02(H01)
Executed in sequence program

Offset/gain setting mode
offset/gain specification
(Un\G26, Un\G27)

Channel change completion
flag (XB)

Channel change request (YB)

Figure 3.16 Channel change completion flag (XB)

(5) Disconnection detection signal (XC) (Q68TD-G-H02 only)

(a) This signal turns on when any input signal line including a thermocouple in the

input circuit of the conversion-enabled channel is disconnected.
To identify the disconnected channel, check Disconnection detection flag
(Un\G49).
When this signal turns on, conversion update for the conversion-enabled
channels stops.

(b) Measured temperature value when this signal turns on can be selected from "Up

scale", "Down scale", or "Given scale". (Refer to Section 3.2.2)

(c) This signal turns off after eliminating the cause of disconnection and turning on

Error clear request (YF).

(d) When connection is restored, the measured temperature value update is restarted

regardless of the reset of this signal.

(6) Disconnection state monitor signal (XC) (Q68TD-G-H01 only)

(a) The thermocouple input circuit of the conversion-enabled channel turns ON the

disconnection state monitor signal (XC) when any input signal line including the
thermocouple is disconnected.
To identify the disconnected channel, check with the disconnection state monitor
flag (Un\G49).
In addition, conversion update for the conversion-enabled channels stops.

3 - 24

(b) For measured temperature values to be stored when the disconnection state

monitor signal (XC) turns ON, any of "Up scale", "Down scale", or "Given value"
can be selected (refer to Section 3.2.3).

(c) Removing the cause of disconnection and turning ON the error clear request (YF)

turns OFF the disconnection state monitor signal (XC).

(d) When the line connection is recovered, the temperature conversion value update

is restarted regardless of the disconnection state monitor signal (XC) reset.

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3

SPECIFICATIONS

(7) Warning output signal (XD)

(a) The warning output signal (XD) turns ON when a process alarm or rate alarm is

detected.

1) Process alarm

• This signal turns ON when the process alarm is enabled and a measured

• For every conversion-enabled channel, the signal automatically turns OFF

2) Rate alarm

• This signal turns ON when the rate alarm is enabled and the change of

• For every conversion-enabled channel, the signal automatically turns OFF

temperature value exceeds the preset range of the process alarm upper/
lower limit value (Un\G94 to Un\G125) in a conversion-enabled channel.

when the measured temperature value returns to within the setting range,
and the "ALM" LED also turns off.

measured temperature value exceeds the preset range of the rate alarm
upper/lower limit value (Un\G134 to Un\G149) in a conversion-enabled
channel.

when the change of measured temperature values return to within the
setting range, and the "ALM" LED also turns off.

1

2

3

4

OVERVIEW

SYSTEM

CONFIGURATION

SPECIFICATIONS

Executed in Q68TD-G-H02(H01)

Warning output flag
(Un\G47, Un\G48)

Warning output
signal (XD)

Figure 3.17 On or off for warning output signal (XD)

0

Warning occurrence
(process alarm, rate alarm)

0

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3 - 25

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(8) Conversion completion flag (XE)

(a) Conversion completion flag (XE) turns ON when the measured temperature

values of all conversion-enabled channels are stored into buffer memory after
power-on or hardware reset.

(b) When averaging processing is performed, this signal also turns ON when the

converted measured temperature value is stored into buffer memory after
completion of averaging processing.

(c) When Operating condition setting completion flag (X9) turns on (stop

conversion)

1) After the measured temperature value is stored into buffer memory, the bit of
corresponding channel in Conversion completion flag (Un\G10) turns on
(changes to "1").

2) After the measured temperature values of all conversion-enabled channels are
stored into buffer memory, this flag turns on.

(d) When Operating condition setting completion flag (X9) turns off (conversion

stop)

1) The bits of all channels in Conversion completion flag (Un\G10) are turned off
(changes to "0").

2) This flag (XE) turns off.
Note that even though conversion has been stopped, the data immediately
before the stop are held in the Measured temperature values stored in the
buffer memory.

(e) This flag (XE) does not turn on when all channels are set to conversion-disabled.

(9) Error Flag (XF)

(a) Error flag (XF) turns ON when a writing error occurs.

(b) To clear the error code, turn ON Error clear request (YF).

Executed in Q68TD-G-H02(H01)
Executed in sequence program

Error code (Un\G19)

Error occurrence

3 - 26

Error flag (XF)

Error clear request (YF)

Figure 3.18 On or off for Error flag (XF)

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3

SPECIFICATIONS

(10)Operating condition setting request (Y9)

(a) This signal is turned ON when enabling the following setting contents.

• Conversion enable/disable setting (Un\G0)

• CH Time/Count/Moving average/Time constant setting (Un\G1 to Un\G8)

• Averaging processing selection (Un\G24,Un\G25)

• Warning output enable/disable setting (Un\G46)

• Scaling valid/invalid setting (Un\G58)

• CH Scaling range upper/lower limit value (Un\G62 to Un\G77)

• CH Scaling width upper/lower limit value (Un\G78 to Un\G93)

• CH Process alarm upper/lower limit value (Un\G94 to Un\G125)

• CH Rate alarm warning detection period (Un\G126 to Un\G133)

• CH Rate alarm upper/lower limit value (Un\G134 to Un\G149)

• Conversion setting for disconnection detection (Un\G164,Un\G165) (Q68TD­G-H02 only)

• Disconnection state conversion setting (Un\G164,Un\G165) (Q68TD-G-H01
only)

• CH Conversion setting value for disconnection detection (Un\G166 to
Un\G173) (Q68TD-G-H02 only)

• CH Conversion setting value for disconnection state (Un\G166 to
Un\G173) (Q68TD-G-H01 only)

1

2

3

4

OVERVIEW

SYSTEM

CONFIGURATION

SPECIFICATIONS

(b) When this signal is turned on, Disconnection detection signal (XC) and Warning

output signal (XD) turn off.

(c) For the ON/OFF timing, refer to the field of the operating condition setting

completion flag (X9).

(11)User range write request (YA)

(a) In offset/gain setting mode

1) This signal turns ON when registering the adjusted value of offset/gain setting
to the flash memory.

2) For the ON/OFF timing, refer to the field of the offset/gain setting mode status
flag (XA).
For offset/gain settings, refer to Section 4.6.

(b) In normal mode

1) This signal turns ON when the user range is restored.

2) For the ON/OFF timing, refer to the field of the offset/gain setting mode status
flag (XA).
For user range restoration, refer to CHAPTER 7.

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

TROUBLESHOOTING

3 - 27

3

SPECIFICATIONS

(12)Channel change request (YB)

(a) This signal turns ON when changing the channel for executing the offset/gain

setting.

(b) For the ON/OFF timing, refer to the field of the channel change completion flag

(XB).
For the offset/gain setting, refer to Section 4.6.

(13)Error clear request (YF)

(a) This signal turns ON when clearing Error flag (XF) and Disconnection state

monitor signal (XC).
However, the setting value error of the intelligent function module switch setting
cannot be cleared.
Correct the setting value.

(b) For the ON/OFF timing, refer to the filed of Disconnection state monitor signal

(XC) and Error flag (XF)

3 - 28

3.3 I/O Signals Transferred to/from Programmable Controller CPU

3.3.2 I/O signal details

3

SPECIFICATIONS

3.4 Buffer Memory

3.4.1 Buffer memory assignment

This section describes the assignment of the Q68TD-G-H02 (H01) buffer memory.

POINT

Do not write data from system area or sequence program to the buffer memory area
where writing is disabled.
Doing so may cause malfunction.

Addresses

Hex. Dec.

00H 0 Conversion enable/disable setting 00FFH

01H 1 CH1 Time/Count/Moving average/Time constant setting 0

02H 2 CH2 Time/Count/Moving average/Time constant setting 0

03H 3 CH3 Time/Count/Moving average/Time constant setting 0

04H 4 CH4 Time/Count/Moving average/Time constant setting 0

05H 5 CH5 Time/Count/Moving average/Time constant setting 0

06H 6 CH6 Time/Count/Moving average/Time constant setting 0

07H 7 CH7 Time/Count/Moving average/Time constant setting 0

08H 8 CH8 Time/Count/Moving average/Time constant setting 0

09H 9 System area - -

0AH 10 Conversion completion flag 0 R

0BH 11 CH1 Measured temperature value 0 R

0CH 12 CH2 Measured temperature value 0 R

0DH 13 CH3 Measured temperature value 0 R

0EH 14 CH4 Measured temperature value 0 R

0FH 15 CH5 Measured temperature value 0 R

10H 16 CH6 Measured temperature value 0 R

11H 17 CH7 Measured temperature value 0 R

12H 18 CH8 Measured temperature value 0 R

13H 19 Error code 0 R

14H 20 Setting range 1(Thermocouple type CH1-CH4) 0 R

15H 21 Setting range 2(Thermocouple type CH5-CH8) 0 R

16H 22 Setting range 3(Offset/gain setting CH1-CH8) 0 R

17H 23 System area - -

18H 24 Averaging processing selection (CH1-CH4) 0

19H 25 Averaging processing selection (CH5-CH8) 0

1AH 26 Offset/gain setting mode(Offset specification) 0

1BH 27 Offset/gain setting mode(Gain specification) 0

1CH 28 CH1 Offset temperature setting value 0

1DH 29 CH1 Gain temperature setting value 0

1EH 30 CH2 Offset temperature setting value 0

1FH 31 CH2 Gain temperature setting value 0

20H 32 CH3 Offset temperature setting value 0

21H 33 CH3 Gain temperature setting value 0

22H 34 CH4 Offset temperature setting value 0

23H 35 CH4 Gain temperature setting value 0

Table 3.9 Buffer memory assignment

Description Default value

3.4 Buffer Memory

3.4.1 Buffer memory assignment

Read/Write

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

3 - 29

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

*1

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

TROUBLESHOOTING

3

SPECIFICATIONS

Table 3.9 Buffer memory assignment

Addresses

Hex. Dec.

24H 36 CH5 Offset temperature setting value 0

25H 37 CH5 Gain temperature setting value 0

26H 38 CH6 Offset temperature setting value 0

27H 39 CH6 Gain temperature setting value 0

28H 40 CH7 Offset temperature setting value 0

29H 41 CH7 Gain temperature setting value 0

2AH 42 CH8 Offset temperature setting value 0

2BH 43 CH8 Gain temperature setting value 0

2CH 44 System area - -

2DH 45

Cold junction compensation setting state (Q68TD-G-H02 only) 0 R

System area (Q68TD-G-H01 only) - -

2EH 46 Warning output enable/disable setting FFFFH

2FH 47 Warning output flag(Process alarm) 0 R

30H 48 Warning output flag(Rate alarm) 0 R

31H 49

Disconnection detection flag (Q68TD-G-H02 only)

Disconnection state monitor flag (Q68TD-G-H01 only)

32H 50 CH1 Scaling value 0 R

33H 51 CH2 Scaling value 0 R

34H 52 CH3 Scaling value 0 R

35H 53 CH4 Scaling value 0 R

36H 54 CH5 Scaling value 0 R

37H 55 CH6 Scaling value 0 R

38H 56 CH7 Scaling value 0 R

39H 57 CH8 Scaling value 0 R

3AH 58 Scaling valid/invalid setting 00FFH

3BH 59

to to

System area - -

3DH 61

3EH 62 CH1 Scaling range lower limit value 0

3FH 63 CH1 Scaling range upper limit value 0

40H 64 CH2 Scaling range lower limit value 0

41H 65 CH2 Scaling range upper limit value 0

42H 66 CH3 Scaling range lower limit value 0

43H 67 CH3 Scaling range upper limit value 0

44H 68 CH4 Scaling range lower limit value 0

45H 69 CH4 Scaling range upper limit value 0

46H 70 CH5 Scaling range lower limit value 0

47H 71 CH5 Scaling range upper limit value 0

48H 72 CH6 Scaling range lower limit value 0

49H 73 CH6 Scaling range upper limit value 0

4AH 74 CH7 Scaling range lower limit value 0

4BH 75 CH7 Scaling range upper limit value 0

4CH 76 CH8 Scaling range lower limit value 0

4DH 77 CH8 Scaling range upper limit value 0

4EH 78 CH1 Scaling width lower limit value 0

4FH 79 CH1 Scaling width upper limit value 0

50H 80 CH2 Scaling width lower limit value 0

51H 81 CH2 Scaling width upper limit value 0

52H 82 CH3 Scaling width lower limit value 0

Description Default value

0R

Read/Write

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

*1

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

3 - 30

3.4 Buffer Memory

3.4.1 Buffer memory assignment

3

SPECIFICATIONS

Table 3.9 Buffer memory assignment

Addresses

Hex. Dec.

53H 83 CH3 Scaling width upper limit value 0

54H 84 CH4 Scaling width lower limit value 0

55H 85 CH4 Scaling width upper limit value 0

56H 86 CH5 Scaling width lower limit value 0

57H 87 CH5 Scaling width upper limit value 0

58H 88 CH6 Scaling width lower limit value 0

59H 89 CH6 Scaling width upper limit value 0

5AH 90 CH7 Scaling width lower limit value 0

5BH 91 CH7 Scaling width upper limit value 0

5CH 92 CH8 Scaling width lower limit value 0

5DH 93 CH8 Scaling width upper limit value 0

5EH 94 CH1 Process alarm lower lower limit value -2000

5FH 95 CH1 Process alarm lower upper limit value -2000

60H 96 CH1 Process alarm upper lower limit value 12000

61H 97 CH1 Process alarm upper upper limit value 12000

62H 98 CH2 Process alarm lower lower limit value -2000

63H 99 CH2 Process alarm lower upper limit value -2000

64H 100 CH2 Process alarm upper lower limit value 12000

65H 101 CH2 Process alarm upper upper limit value 12000

66H 102 CH3 Process alarm lower lower limit value -2000

67H 103 CH3 Process alarm lower upper limit value -2000

68H 104 CH3 Process alarm upper lower limit value 12000

69H 105 CH3 Process alarm upper upper limit value 12000

6AH 106 CH4 Process alarm lower lower limit value -2000

6BH 107 CH4 Process alarm lower upper limit value -2000

6CH 108 CH4 Process alarm upper lower limit value 12000

6DH 109 CH4 Process alarm upper upper limit value 12000

6EH 110 CH5 Process alarm lower lower limit value -2000

6FH 111 CH5 Process alarm lower upper limit value -2000

70H 112 CH5 Process alarm upper lower limit value 12000

71H 113 CH5 Process alarm upper upper limit value 12000

72H 114 CH6 Process alarm lower lower limit value -2000

73H 115 CH6 Process alarm lower upper limit value -2000

74H 116 CH6 Process alarm upper lower limit value 12000

75H 117 CH6 Process alarm upper upper limit value 12000

76H 118 CH7 Process alarm lower lower limit value -2000

77H 119 CH7 Process alarm lower upper limit value -2000

78H 120 CH7 Process alarm upper lower limit value 12000

79H 121 CH7 Process alarm upper upper limit value 12000

7AH 122 CH8 Process alarm lower lower limit value -2000

7BH 123 CH8 Process alarm lower upper limit value -2000

7CH 124 CH8 Process alarm upper lower limit value 12000

7DH 125 CH8 Process alarm upper upper limit value 12000

7EH 126 CH1 Rate alarm warning detection period 0

7FH 127 CH2 Rate alarm warning detection period 0

80H 128 CH3 Rate alarm warning detection period 0

81H 129 CH4 Rate alarm warning detection period 0

Description Default value

3.4 Buffer Memory

3.4.1 Buffer memory assignment

Read/Write

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

3 - 31

1

*1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

TROUBLESHOOTING

3

SPECIFICATIONS

Table 3.9 Buffer memory assignment

Addresses

Hex. Dec.

82H 130 CH5 Rate alarm warning detection period 0

83H 131 CH6 Rate alarm warning detection period 0

84H 132 CH7 Rate alarm warning detection period 0

85H 133 CH8 Rate alarm warning detection period 0

86H 134 CH1 Rate alarm upper limit value 0

87H 135 CH1 Rate alarm lower limit value 0

88H 136 CH2 Rate alarm upper limit value 0

89H 137 CH2 Rate alarm lower limit value 0

8AH 138 CH3 Rate alarm upper limit value 0

8BH 139 CH3 Rate alarm lower limit value 0

8CH 140 CH4 Rate alarm upper limit value 0

8DH 141 CH4 Rate alarm lower limit value 0

8EH 142 CH5 Rate alarm upper limit value 0

8FH 143 CH5 Rate alarm lower limit value 0

90H 144 CH6 Rate alarm upper limit value 0

91H 145 CH6 Rate alarm lower limit value 0

92H 146 CH7 Rate alarm upper limit value 0

93H 147 CH7 Rate alarm lower limit value 0

94H 148 CH8 Rate alarm upper limit value 0

95H 149 CH8 Rate alarm lower limit value 0

96H 150

to to

9DH 157

9EH 158

9FH 159

A0H 160

to to

A3H 163

A4H 164

A5H 165

A6H 166

A7H 167

A8H 168

System area - -

Mode switching setting 0

System area - -

Conversion setting for disconnection detection (CH1-CH4)(Q68TD-

G-H02 only)

Disconnection state conversion setting (CH1-CH4)(Q68TD-G-H01

only)

Conversion setting for disconnection detection (CH5-CH8)(Q68TD-

G-H02 only)

Disconnection state conversion setting (CH5-CH8)(Q68TD-G-H01

only)

CH1 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH1 Conversion setting value for disconnection state (Q68TD-G-

H01 only)

CH2 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH2 Conversion setting value for disconnection state (Q68TD-G-

H01 only)

CH3 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH3 Conversion setting value for disconnection state (Q68TD-G-

H01 only)

Description Default value

1111H

1111

0

0

0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

*1

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

Read/Write

H

3 - 32

3.4 Buffer Memory

3.4.1 Buffer memory assignment

3

SPECIFICATIONS

Addresses

Hex. Dec.

A9H 169

AAH 170

ABH 171

ACH 172

ADH 173

AEH 174

to to

BDH 189

BE

BF

C0

C1

C2

C3

C4

C5

C6

C7

C8

C9

CA

CB

CC

CD

CE

CF

D0

D1

D2

D3

D4

D5

D6

D7

D8

190

H

191

H

192

H

193

H

194

H

195

H

196

H

197

H

198

H

199

H

200

H

201

H

202

H

203

H

204

H

205

H

206

H

207

H

208

H

209

H

210

H

211

H

212

H

213

H

214

H

215

H

216

H

Table 3.9 Buffer memory assignment

Description Default value

Read/Write

CH4 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH4 Conversion setting value for disconnection state (Q68TD-G-

0

R/W

H01 only)

CH5 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH5 Conversion setting value for disconnection state (Q68TD-G-

0

R/W

H01 only)

CH6 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH6 Conversion setting value for disconnection state (Q68TD-G-

0

R/W

H01 only)

CH7 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH7 Conversion setting value for disconnection state (Q68TD-G-

0

R/W

H01 only)

CH8 Conversion setting value for disconnection detection (Q68TD-

G-H02 only)

CH8 Conversion setting value for disconnection state (Q68TD-G-

0

R/W

H01 only)

System area - -

CH1 Factory default offset value

CH1 Factory default gain value

CH1 User range settings offset value

CH1 User range settings gain value

*3

*3

*3

*3

CH1 User range settings thermal EMF offset value(L)

CH1 User range settings thermal EMF offset value(H)

CH1 User range settings thermal EMF gain value(L)

CH1 User range settings thermal EMF gain value(H)

CH2 Factory default offset value

CH2 Factory default gain value

CH2 User range settings offset value

CH2 User range settings gain value

*3

*3

*3

*3

CH2 User range settings thermal EMF offset value(L)

CH2 User range settings thermal EMF offset value(H)

CH2 User range settings thermal EMF gain value(L)

CH2 User range settings thermal EMF gain value(H)

CH3 Factory default offset value

CH3 Factory default gain value

CH3 User range settings offset value

CH3 User range settings gain value

*3

*3

*3

*3

CH3 User range settings thermal EMF offset value(L)

CH3 User range settings thermal EMF offset value(H)

CH3 User range settings thermal EMF gain value(L)

CH3 User range settings thermal EMF gain value(H)

CH4 Factory default offset value

CH4 Factory default gain value

CH4 User range settings offset value

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

1

*1

*2

OVERVIEW

2

*2

*2

SYSTEM

CONFIGURATION

3

*2

*2

SPECIFICATIONS

4

*2

*2

SETUP AND

PROCEDURES BEFORE

5

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

OPERATION

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

*2

3.4 Buffer Memory

3.4.1 Buffer memory assignment

TROUBLESHOOTING

3 - 33

3

SPECIFICATIONS

Addresses

Hex. Dec.

D9

DA

DB

DC

DD

DE

DF

E0

E1

E2

E3

E4

E5

E6

E7

E8

E9

EA

EB

EC

ED

EE

EF

F0

F1

F2

F3

F4

F5

F6

F7

F8

F9

FA

FB

FC

FD

217

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

H

CH4 User range settings gain value

218

CH4 User range settings thermal EMF offset value(L)

219

CH4 User range settings thermal EMF offset value(H)

220

CH4 User range settings thermal EMF gain value(L)

221

CH4 User range settings thermal EMF gain value(H)

222

CH5 Factory default offset value

223

CH5 Factory default gain value

224

CH5 User range settings offset value

225

CH5 User range settings gain value

226

CH5 User range settings thermal EMF offset value(L)

227

CH5 User range settings thermal EMF offset value(H)

228

CH5 User range settings thermal EMF gain value(L)

229

CH5 User range settings thermal EMF gain value(H)

230

CH6 Factory default offset value

231

CH6 Factory default gain value

232

CH6 User range settings offset value

233

CH6 User range settings gain value

234

CH6 User range settings thermal EMF offset value(L)

235

CH6 User range settings thermal EMF offset value(H)

236

CH6 User range settings thermal EMF gain value(L)

237

CH6 User range settings thermal EMF gain value(H)

238

CH7 Factory default offset value

239

CH7 Factory default gain value

240

CH7 User range settings offset value

241

CH7 User range settings gain value

242

CH7 User range settings thermal EMF offset value(L)

243

CH7 User range settings thermal EMF offset value(H)

244

CH7 User range settings thermal EMF gain value(L)

245

CH7 User range settings thermal EMF gain value(H)

246

CH8 Factory default offset value

247

CH8 Factory default gain value

248

CH8 User range settings offset value

249

CH8 User range settings gain value

250

CH8 User range settings thermal EMF offset value(L)

251

CH8 User range settings thermal EMF offset value(H)

252

CH8 User range settings thermal EMF gain value(L)

253

CH8 User range settings thermal EMF gain value(H)

* 1 Indicates whether reading from and writing to a sequence program are enabled.

R : Read enabled W : Write enabled

* 2 Data must be written to buffer memory under the interlock conditions (buffer memory write

conditions) of the following I/O signals.

• Operating condition setting

Buffer memory write condition

Write
request

Operating
condition
setting request

* 3 This area is related with the user range save/restore function and allows users to re-set the offset/

gain values easily in the case of online module change.

Table 3.9 Buffer memory assignment

Description Default value

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

*3

Y9 X9

Operating
condition setting
completion flag

Figure 3.19 Setting of interlock conditions

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

MOV

Read/Write

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*2

R/W

*1

3 - 34

3.4 Buffer Memory

3.4.1 Buffer memory assignment

3

SPECIFICATIONS

1

3.4.2 Conversion enable/disable setting (Un\G0)

Temperature conversion enable/disable status is set for each channel.

(1) Setting methods

(a) Set enable/disable status for each channel in buffer memory.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 are fixed to "0"

Figure 3.20 Setting of enable/disable status (Un\G0)

[Setting example] Setting enable status for channel 1 and 2

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

1111110000000000

Figure 3.21 Setting example of enable/disable status (Un\G0)

(b) Turn on Operating condition setting request (Y9) to activate the setting.

0: Conversion enabled
1: Conversion disabled

(2) Default value

The default value is set to “Disable” (00FFH) for all channels.

POINT

Setting “Disable” (1) for unused channels can prevent unnecessary disconnection
detection or monitoring disconnection state.

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

3.4 Buffer Memory

3.4.2 Conversion enable/disable setting (Un\G0)

3 - 35

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.4.3 CH[ ] Time/Count/Moving average/Time constant setting (Un\G1 to
Un\G8)

When the averaging processing (1H to 4H) is specified with Averaging processing
selection (Un\G24, Un\G25), time average, count average, moving average or time
constant for primary delay filter is set. (Refer to Section 3.2.1)

(1) Setting methods

(a) Set the following setting range in buffer memory.

Table 3.10 Settable range

Processing method Setting value

Time average

Count average 4 to 500(times)

Moving average 2 to 60(times)

Primary delay filter

* 1 Set the values in units of 320ms.

For the details of the setting values, refer to Section 3.2.1 (3) Averaging processing or Section

3.2.1 (4) Primary delay filter.

1280 to 5000(ms)

320 to 5000(ms)

*1

*1

(b) Turn on Operating condition setting request (Y9) to activate the setting. (Refer to

Section 3.3.2)

(2) Default value

All channels are set to “0”.

POINT

(1) When a value out of the setting range in Table 3.10 is written, an error occurs

and the following also occurs.

• The error codes (20 , 30 , 31 , 32 ) are stored to the error code
(Un\G19). (Refer to Section 8.1)

• Error flag (XF) turns on.

• Conversion processing is performed with the setting before the error
occurence.

(2) When a value is set on the channels set sampling processing (0

Averaging processing selection (Un\G24, Un\G25), the setting value of CH
Time/Count/Moving average/Time constant setting (Un\G1 to Un\G8) is
ignored.

H) to

3 - 36

3.4 Buffer Memory

3.4.3 CH[ ] Time/Count/Moving average/Time constant setting (Un\G1 to Un\G8)

3

SPECIFICATIONS

1

3.4.4 Conversion completion flag (Un\G10)

Conversion state can be checked for each channel.

(1) Data storage

(a) The bit of the corresponding channel in Conversion completion flag turns on

(changes to “1”) when conversion of conversion-enabled channels is completed.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 are fixed to "0".

Figure 3.22 Storage of Conversion completion flag (Un\G10)

(b) Conversion completion flag (XE) turns on when conversion of all conversion-

enabled channels is completed.

0: During conversion or unused
1: Conversion completed

(2) How to clear stored data

When Operating condition setting request (Y)) is turned on, the bit of all channels in
the Conversion completion flag returns to default value (“0”).

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

3.4 Buffer Memory

3.4.4 Conversion completion flag (Un\G10)

3 - 37

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.4.5 CH[ ] Measured temperature value (Un\G11 to Un\G18)

“Thermal electromotive force values” input from thermocouples are converted into
“temperature values” to check values of detected temperature.

(1) Data storage

The measured temperature value rounded off to one decimal place is multiplied by 10
and the result is stored into buffer memory in 16-bit signed binary. (Drop the second
decimal place and later.)

[Setting example 1]

When the measured temperature value is 123.025 1230 is stored.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

1100111000000100

Figure 3.23 Storage example 1 of CH Measured temperature value (Un\G11 to Un\G18)

When the measured temperature value is -123.0 -1230 is stored.

b15 b14 b13

11111011

Figure 3.24 Storage example 2 of CH Measured temperature value (Un\G11 to Un\G18)

b12b11b10b9b8b7b6b5b4b3b2b1b0

00110010

POINT

(1) When disconnection is detected or checked with a monitor, the values set in

Conversion setting for disconnection detection (Un\G164, Un\G165) or
Disconnection state conversion setting (Un\G164, Un\G165) are stored into

the CH Measured temperature value (Un\G11 to Un\G18). (Refer to Section

3.4.25, Section 3.4.26)

(2) After the disconnection recovery, normal measured temperature value is

automatically stored.

3 - 38

3.4 Buffer Memory

3.4.5 CH[ ] Measured temperature value (Un\G11 to Un\G18)

3

SPECIFICATIONS

3.4.6 Error code (Un\G19)

Error codes that are detected by the Q68TD-G-H02(H01) are stored. (Refer to Section

8.1)

3.4.7 Setting range 1, 2 (Thermocouple type) (Un\G20,Un\G21)

This area is for checking thermocouple type of the Q68TD-G-H02(H01). which is set with
Switch 1 and 2 in the intelligent function module switch setting. (Refer to Section 4.5)

(1) Data storage

(a) The setting value of thermocouple type is stored into the position shown in the

following figure for each channel.

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

Un\G20
(Setting range CH1 to CH4)

Un\G21
(Setting range CH5 to CH8)

Figure 3.25 Storage of setting range 1,2 (thermocouple type) (Un\G20,Un\G21)

b15

to

b12 b11

CH4 CH3 CH1

CH8 CH7 CH6 CH5

to

b8 b7

to

CH2

(b) The following table shows the setting value for each thermocouple type.

Table 3.11 Thermocouple and setting value

Themocouple type Setting value

Thermocouple K 0H

Thermocouple E 1H

Thermocouple J 2H

Thermocouple T 3H

Thermocouple B 4H

Thermocouple R 5H

Thermocouple S 6H

Thermocouple N 7H

3.4.8 Setting range 3 (Offset/gain setting) (Un\G22)

b4 b3

to

b0

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

This area is for checking offset/gain setting of the Q68TD-G-H02(H01). which is set with
Switch 3 in the intelligent function module switch setting. (Refer to Section 4.5)

(1) Data storage

The setting value of offset/gain setting is stored into the position corresponding to the
channels shown in the following figure.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 are fixed to "0".

Figure 3.26 Storage of setting range 3 (Offset/gain setting) (Un\G22)

3.4.6 Error code (Un\G19)

0: Factory default setting
1: User range setting

3.4 Buffer Memory

3 - 39

7

8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.4.9 Averaging processing selection (Un\G24,Un\G25)

Averaging processing is selected for each channel.

(1) Setting methods

(a) The Averaging processing selection is set in the position corresponding to each

channel of buffer memory shown in the following figure.

Un\G24 (Averaging processing
selection CH1 to CH4)

b15 b12 b11 b8 b7 b4 b3 b0

to

CH4 CH3 CH2 CH1

to

to to

Un\G25 (Averaging processing
selection CH5 to CH8)

Figure 3.27 Setting of Averaging processing selection (Un\G24,Un\G25)

(b) The following table shows the setting value.

Table 3.12 Processing method and setting value

(c) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to sampling processing (0000H).

[Setting example]

• CH1 Count average (2H)

• CH2 Time average (1

• CH3 Primary delay filter (4

• CH4 Sampling processing (0

Set “0412
setting.

CH8 CH7 CH6 CH5

Processing method Setting value

Samplling processing 0H

Time average 1H

Count average 2H

Moving average 3H

Primary delay filter 4H

H)

H)

H)

H” for Un\G24 as shown in the following figure in the case of the above

3 - 40

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

Un\G24 (Averaging processing
selection CH1 to CH4)

Figure 3.28 Setting example of Averaging processing selection (Un\G24,Un\G25)

POINT

If a value out of the setting range is set, sampling processing is performed.

3.4 Buffer Memory

3.4.9 Averaging processing selection (Un\G24,Un\G25)

0001001000000100

3

SPECIFICATIONS

3.4.10 Offset/gain setting mode (Un\G26,Un\G27)

A channel targeted for adjusting offset/gain setting values in the offset/gain setting mode is
specified. (Refer to Section 4.6)

(1) Setting methods

Set a channel targeted for adjusting offset setting in Un\G26, and a channel for gain
setting in Un\G27.

b7 b6 b5 b4 b3 b2 b1 b0

Un\G26
(Offset specification)

Un\G27
(Gain specification)

Figure 3.29 Setting of Averaging processing selection (Un\G24,Un\G25)

b15 b14 b13 b12 b11 b10 b9 b8

00000000

00000000

Data for b8 to b15 are fixed to "0". 1: Setting channel

CH4 CH3 CH2 CH1CH8 CH7 CH6 CH5

CH4 CH3 CH2 CH1CH8 CH7 CH6 CH5

0: disable

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(2) Default value

All channels are set to “Disable” (0000H).

POINT

Setting multiple channels at the same time is possible, however, set offset and
gain values separately (set “0” in either Un\G26 or Un\G27).
When both values are set at the same time, an error (error code: 500) occurs.

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

3.4 Buffer Memory

3.4.10 Offset/gain setting mode (Un\G26,Un\G27)

3 - 41

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.4.11 CH[ ] Offset/gain temperature setting values (Un\G28 to Un\G43)

Measured temperature values equivalent to the input from the sensor are set during the
offset/gain setting mode.

(1) Setting methods

(a) Input a value used as an offset value or gain value in 16-bit signed binary (units of

0.1 ) to the channel set in the Offset/gain setting mode (Un\G26,Un\G27).

(b) When Channel change request (YB) is turned on, measured temperature value is

compensated for the value written in this area.

(2) Default value

All channels are set to “0”.

POINT

(1) High accuracy is ensured for Offset/gain temperature setting values when the

minimum or maximum temperature of the operating range is used to
compensate errors.

(2) Set Offset/gain temperature setting values while reading measured

temperature values.

(3) Always set Offset/gain temperature setting values to satisfy the following

conditions. An error (error code: 41 ) occurs if the conditions are not
satisfied.

• Condition 1: Within the input enabled range

• Condition 2: (Gain temperature setting value) - (Offset temperature

setting value) > 0.1[ ]

(4) Offset/gain temperature setting values are stored into the flash memory of the

Q68TD-G-H02(H01) turning on User range write request (YA), and the values
are not erased at power-off.

3 - 42

3.4.12 Cold junction compensation setting status (Un\G45) (Q68TD-G­H02 only)

The Cold junction compensation setting status of the Q68TD-G-H02, set with Switch 4 in
the intelligent function module, can be checked.

(1) Data storage

Table 3.13 Cold junction compensation setting state (Un\G45)

Cold junction

Storage value

0000H Available

0001H Not available

3.4 Buffer Memory

3.4.11 CH[ ] Offset/gain temperature setting values (Un\G28 to Un\G43)

compensation

setting state

3

SPECIFICATIONS

3.4.13 Warning output enable/disable setting (Un\G46)

Enable/disable state of warning output for process alarm or rate alarm is set for each
channel.

(1) Setting methods

(a) Warning output enable/disable setting is set for the corresponding channels in the

following figure.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

1

OVERVIEW

2

CH4 CH3 CH2 CH1CH8 CH7 CH6 CH5CH4 CH3 CH2 CH1CH8 CH7 CH6 CH5

Rate alaram setting

0: Enable,

Figure 3.30 Setting of Warning output enable/disable setting (Un\G46)

(b) Turn on Operating condition setting request (Y9) to activate the setting.

1: Disable

Process alarm setting

(2) Default value

Both process alarm and rate alarm are set to “Disable” for all channels (FFFFH).

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

3.4 Buffer Memory

3.4.13 Warning output enable/disable setting (Un\G46)

3 - 43

7

8

ONLINE MODULE

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)

For both process alarm and rate alarm, whether the warning is for the upper limit value or
lower limit value can be checked for each channel.

(1) Data storage

(a) When a measured temperature value is out of the setting range of the CH

Process alarm upper/lower limit values (Un\G94 to Un\G125) or CH Rate alarm
upper/lower limit values (Un\G134 to Un\G149), the bit of the corresponding
channels turns on (changes to “1”).

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

Un\G47 (Process alarm)

CH8 lower

limit value

CH7 lower

limit value

CH8 upper

limit value

CH6 lower

CH7 upper

limit value

limit value

CH6 upper

limit value

CH5 lower

limit value

CH5 upper

CH4 lower

limit value

limit value

CH3 lower

CH4 upper

limit value

limit value

CH3 upper

limit value

CH2 lower

limit value

CH2 upper

CH1 lower

limit value

limit value

0: Normal
1: Alarm ON

CH1 upper

limit value

Un\G48 (Rate alarm)

Figure 3.31 Storage of Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH6 lower

CH8 lower

limit value

CH8 upper

CH7 lower

limit value

limit value

limit value

CH7 upper

limit value

CH5 lower

CH6 upper

limit value

limit value

CH5 upper

limit value

CH4 lower

limit value

CH4 upper

limit value

CH3 upper

CH3 lower

limit value

limit value

CH2 lower

limit value

CH1 lower

limit value

CH2 upper

limit value

0: Normal
1: Alarm ON

CH1 upper

(b) When the measured temperature value or the change of measured temperature

values returns to within the setting range, this flag will be automatically reset.

(c) When Operating condition setting request (Y9) is turned on, this flag will be

cleared.

(d) If a warning is detected on any of channels for the conditions described below,

Warning output signal (XD) also turns on.

1) Conversion enable (“0”) is set in Conversion enable/disable setting (Un\G0).

2) Process alarm setting or rate alarm setting are set to “Enable”(“0”) in the
Warning output enable/disable (Un\G46).

limit value

3 - 44

3.4 Buffer Memory

3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)

3

SPECIFICATIONS

1

3.4.15 Disconnection detection flag (Un\G49) (Q68TD-G-H02 only)

Disconnection state is detectable for each channel.

(1) Data storage

(a) The bit of the corresponding channel turns on (changes to “1”) when the

disconnection state of a thermocouple or compensating lead wire is detected.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 is fixed to "0".

Figure 3.32 Storage of Disconnection detection flag (Un\G49)

(b) Conversion for the channels not disconnected is continued.

0: Normal
1: Disconnected

(2) How to clear flag

(a) Check the sensor connection state of disconnection detection channels.

(b) When Operating condition setting request (Y9) or Error clear request (YF) is

turned on, this flag will be cleared.
When the signal turns on in disconnection state, the bit of the corresponding
channel turns on (changes to “1”) again.

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

3.4 Buffer Memory

3.4.15 Disconnection detection flag (Un\G49) (Q68TD-G-H02 only)

3 - 45

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(3) Relationship between the Disconnection detection flag and conversion

enable/disable setting.

The following table shows the relationship between the Disconnection detection flag
and conversion enable/disable setting.

Table 3.14 Relationship between conversion enable/disable setting and Disconnection detection flag

Connection state

Conversion enable/disable

setting

Disconnection detection

flag

Enable

Disable

Enable ON

Disable OFF

Enable ON

Disable OFF

Without disconnection

With disconnection

Without connection

+

-

+

-

+

-

POINT

(1) Always set “Disable” for any channel where no thermocouple or

compensating lead wire is connected.
If “Enable” is set, the bit of the corresponding channel in the Disconnection

detection flag (Un\G49) turns on (changes to “1”).
(2) For wiring of a thermocouple or compensating lead wire, refer to Section 4.4.
(3) For troubleshooting of disconnection detection, refer to Section 8.2.7.

OFF

3 - 46

3.4 Buffer Memory

3.4.15 Disconnection detection flag (Un\G49) (Q68TD-G-H02 only)

3

SPECIFICATIONS

1

3.4.16 Disconnection state monitor flag (Un\G49) (Q68TD-G-H01only)

Disconnection state is detectable for each channel.

(1) Data storage

(a) The bit of the corresponding channel turns on (changes to “1”) when the

disconnection state of a thermocouple or compensating lead wire is checked.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 is fixed to "0".

Figure 3.33 Storage of Disconnection state monitor flag (Un\G49)

(b) Conversion for the channels not disconnected is continued.

0: Normal
1: Disconnected

(2) How to clear flag

(a) Check the sensor connection state of disconnection detection channels.

(b) When Operating condition setting request (Y9) or Error clear request (YF) is

turned on, this flag will be cleared.
When the signal turns on in disconnection state, the bit of the corresponding
channel turns on (changes to “1”) again.

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

3.4 Buffer Memory

3.4.16 Disconnection state monitor flag (Un\G49) (Q68TD-G-H01only)

3 - 47

6

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CHANGE

TROUBLESHOOTING

3

SPECIFICATIONS

(3) Relationship between the Disconnection state monitor flag and

conversion enable/disable setting.

The following table shows the relationship between the Disconnection state monitor
flag and conversion enable/disable setting.

Table 3.15 Relationship between conversion enable/disable setting and Disconnection detection flag

Connection state

Conversion enable/disable

setting

Disconnection state

monitor flag

Enable

Disable

Enable ON

Disable OFF

Enable ON

Disable OFF

Without disconnection

With disconnection

Without connection

+

-

+

-

+

-

POINT

(1) Always set “Disable” for any channel where no thermocouple or

compensating lead wire is connected.

If “Enable” is set, the bit of the corresponding channel in Disconnection

detection flag (Un\G49) turns on (changes to “1”).
(2) For wiring of a thermocouple or compensating lead wire, refer to Section 4.4.
(3) For troubleshooting of disconnection state check, refer to Section 8.2.7.

OFF

3 - 48

3.4 Buffer Memory

3.4.16 Disconnection state monitor flag (Un\G49) (Q68TD-G-H01only)

3

SPECIFICATIONS

1

3.4.17 CH[ ] Scaling value (Un\G50 to Un\G57)

The result of scaling measured temperature values is stored.

(1) Data storage

Measured temperature values within the scaling range set in CH Scaling range
upper/lower limit values (Un\G62 to Un\G77) are scaled to the scaling width set in

CH Scaling width upper/lower limit values (Un\G78 to Un\G93), and then the result
is stored.

(2) How to calculate the scaling value.

The following is how to calculate the scaling value.

Scaling value =

(scaling width upper limit value - scaling width lower limit value)

measured temperature value - scaling range lower limit value

scaling range upper limit value - scaling range lower limit value

Figure 3.34 How to caluculate the scaling value

[Setting example] To scale a temperature to percent (for the use of thermocouple K)

(a) Setting value

• Scaling range: -100 to 500 (lower limit value = -1000, upper limit value = 5000)

• Scaling width: 0 to 100% (lower limit value = 0, upper limit value = 100)

(b) Input value

CH1 measured temperature value: 360 (Measured temperature value = 3600)

Scaling value =

(100 - 0)

3600 - (-1000)

5000 - (-1000)

Figure 3.35 Setting example of scaling value

+ 0 =

76.666666

= 77[%]

Fractional portion is rounded off.

Stores into buffer memory address 50.

+ scaling width lower limit value

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

POINT

(1) If the upper limit value is less than the lower limit value in the settings of CH

Scaling range upper/lower limit values (Un\G62 to Un\G77) or CH Scaling
width upper/lower limit values (Un\G78 to Un\G93), it will not result in an error
and the scaling value calculated with the expression above will be output.

(2) When the measured temperature is out of the range set in Scaling range

uppr/lower limit values, the value set in Scaling width upper limit value or
lower limit value is stored into this buffer memory.

3.4 Buffer Memory

3.4.17 CH[ ] Scaling value (Un\G50 to Un\G57)

3 - 49

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SPECIFICATIONS

3.4.18 Scaling valid/invalid setting (Un\G58)

This area is for checking the scaling function valid/invalid status for each channel.

(1) Setting methods

(a) Scaling valid/invalid setting is set for each channel.

b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH100000000

Data for b8 to b15 is fixed to "0".

Figure 3.36 Setting of Scaling valid/invalid setting (Un\G58)

(b) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to “Invalid” (00FFH).

[Program example]

Program example with a condition of the following is below.

• Scaling range: -100 to 500 (lower limit value = -1000, upper limit value = 5000)

• Scaling width: 0 to 100.0% (lower limit value = 0, upper limit value = 100)

Sets CH1 scaling function to
"enable"

Sets CH1 scaling range lower
limit value

Sets CH1 scaling range upper
limit value

Sets CH1 scaling width lower
limit value

Sets CH1 scaling width upper
limit value

0: Valid

1: Invalid

3 - 50

Turns ON operating condition
seting request (Y9)

Turns OFF operating condition
setting request (Y9)

Figure 3.37 Program example of scaling function

3.4 Buffer Memory

3.4.18 Scaling valid/invalid setting (Un\G58)

3

SPECIFICATIONS

1

3.4.19 CH[ ] Scaling range upper/lower limit values (Un\G62 to Un\G77)

A scaling range of measured temperature values is set for each channel in units of 0.1 .

(1) Setting methods

(a) For use of the scaling function, change the setting value.

(b) Set the scaling range value in buffer memory.

• Settable scaling range: -32768 to 32767

(c) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to "0".

POINT

(1) When the measured temperature is out of the range set in Scaling range

uppr/lower limit values, the value set in Scaling width upper limit value or

lower limit value is stored into CH Scaling value (Un\G50 to Un\G57).

(2) Set “Valid” (“1”) in Scaling valid/invalid setting (Un\G58). When “Invalid” (“0”)

is set in the setting of the Scaling valid/invalid setting (Un\G58), CH Scaling
range upper/lower limit values (Un\G62 to Un\G77) is ignored.

(3) If the same value is set for the upper limit and the lower limit, an error (error

code: 91 ) occurs on the corresponding channel. Then, the following occurs.

• Error code (91 ) is stored into Error code (Un\G19). (Refer to Section

8.1).

• Error flag (XF) turns on.

• The module operates with setting before the error occurence.

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

3.4 Buffer Memory

3.4.19 CH[ ] Scaling range upper/lower limit values (Un\G62 to Un\G77)

3 - 51

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3.4.20 CH[ ] Scaling width upper/lower limit values (Un\G78 to Un\G93)

A width for scaling conversion is set.

(1) Setting methods

(a) For use of the scaling function, change the setting value.

(b) Set the scaling range value in buffer memory.

• Settable scaling range: -32768 to 32767

(c) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to "0".

POINT

(1) When “Invalid” (“0”) is set in Scaling valid/invalid setting (Un\G58), the setting

of CH Scaling width upper/lower limit values (Un\G78 to Un\G93) is ignored.
(2) If the same value is set for the upper limit and the lower limit, an error (error

code: 91 ) occurs on the corresponding channel. Then, the following occurs.

• Error code (91 ) is stored into Error code (Un\G19). (Refer to Section

8.1).

• Error flag (XF) turns on.

• The module operates with setting before the error occurence.

3 - 52

3.4 Buffer Memory

3.4.20 CH[ ] Scaling width upper/lower limit values (Un\G78 to Un\G93)

3

SPECIFICATIONS

3.4.21 CH[ ] Process alarm upper/lower limit values (Un\G94 to Un\G125)

Process alarm upper upper limit value, upper lower limit value, lower upper limit value, and
lower lower limit value can be set. (Refer to Section 3.2.4)

(1) Setting methods

(a) A scaling range of measured temperature values is set for each channel in units of

0.1 .
Settable range and default value differ according to the thermocouple type.
The following table shows settable range and default value for each thermocouple
type.

Table 3.16 Process alarm settable range and default value

Default value

Process

Thermocouple

type

Thermocouple K -2000 12000 -2700 to 13700 (-2000 to 12000)

Thermocouple E -2000 9000 -2700 to10000 (-2000 to 9000)

Thermocouple J -400 7500 -2100 to12000 (-400 to 7500)

Thermocouple T -2000 3500 -2700 to 4000 (-2000 to 3500)

Thermocouple B 6000 17000 0 to18200 (6000 to17000)

Thermocouple R 0 16000 -500 to17600 (0 to16000)

Thermocouple S 0 16000 -500 to17600 (0 to16000)

Thermocouple N -2000 12500 -2700 to13000 (-2000 to12500)

alarm
lower
lower

limit

value

Process

alarm
lower
upper

limit

value

Process

alarm

upper

lower

limit

value

Process

alarm
upper
upper

limit

value

Settable temperature range (Accuracy

gurantee range)

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

(b) Turn on Operating condition setting request (Y9) to activate the setting.

POINT

(1) If any of the following values are set, an error (error code: 6 ) occurs.

Then, Error flag (XF) turns on.

• A value out of the above settable range:

• A value that does not satisfy the following condition:

Process alarm lower lower limit value lower upper limit value upper lower limit value

upper upper limit value

(2) When “Disable” (“0”) is set in the Warning output enable/disable setting

(Un\G46), the setting of CH Process alarm upper/lower limit values
(Un\G94 to Un\G125) is ignored.

6

7

8

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CONFIGURATOR-TI)

PROGRAMMING

CHANGE

3.4 Buffer Memory

3.4.21 CH[ ] Process alarm upper/lower limit values (Un\G94 to Un\G125)

TROUBLESHOOTING

3 - 53

3

SPECIFICATIONS

3.4.22 CH[ ] Rate alarm warning detection period (Un\G126 to Un\G133)

The number of conversion periods to check a change in measured temperature values is
set for each channel. (Refer to Section 3.2.4)

(1) Setting methods

(a) For use of the rate alarm, change the setting value.

(b) Set the number of conversion periods in buffer memory.

• Settable range: 1 to 6000(times)

(c) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to “0”.

POINT

(1) When a value out of the above setting range is set, an error (error code: 70 )

occurs on the corresponding channel. Then, the following occurs.

• Error code (71 ) is stored into the Error code (Un\G19). (Refer to Section

8.1).

• Error flag (XF) turns on.

• The module operates with setting before the error occurence.

(2) Set “Enable” in Warning output enable/disable (Un\G46). When “Disable” is

set, the settings of CH Rate alarm warning detection period (Un\G126 to
Un\G133) is ignored.

3.4.23 CH[ ] Rate alarm upper/lower limit values (Un\G134 to Un\G149)

A scaling range of measured temperature values is set for each channel in units of

0.1 .(Refer to Section 3.2.4)

(1) Setting methods

(a) For use of the rate alarm, change the setting value.

(b) Set the range in buffer memory.

• Settable range:-32768 to 32767

(c) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to "0".

3 - 54

3.4 Buffer Memory

3.4.22 CH[ ] Rate alarm warning detection period (Un\G126 to Un\G133)

3

SPECIFICATIONS

3.4.24 Mode switching setting (Un\G158, Un\G159)

This area is used to switch the mode between normal mode and offset/gain setting mode.
This mode can be switched without resetting the programmable controller CPU.

Setting methods

(a) Set the setting value of the switching target mode.

Table 3.17 Switching target mode and setting value

Switching target mode

Normal mode 0964H 4144H

Offset/gain setting value mode 4144H 0964H

(b) To switch the mode, turning on Operating condition setting request (Y9) after

setting the value is required.

Un\G158 Un\G159

Setting value

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(c) When the mode is switched completely, this area for Un\G158 and Un\G159 is

cleared to “0”.

POINT

If a value other than the setting values in Table 3.17 is written, mode switching is
not performed.

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

3.4 Buffer Memory

3.4.24 Mode switching setting (Un\G158, Un\G159)

3 - 55

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3.4.25 Conversion setting for disconnection detection (Un\G164,

When disconnection is detected, a value stored into CH Measured temperature value
(Un\G11toUn\G18) is set. (Refer to Section 3.2.2)
The value to be stored is selected from “Up scale”, “Down scale” or “Given value”.

(1) Setting methods

Un\G164 (Conversion setting for
disconnection detection CH1-4)

Un\G165) (Q68TD-G-H02 only)

(a) Set the value to be stored into buffer memory.

b15 b12 b11 b8 b7 b4 b3 b0

to

CH4 CH3 CH2 CH1

to

to

to

Un\G165 (Conversion setting for
disconnection detection CH5-8)

Figure 3.38 Setting of Conversion setting for disconnection detection (Un\G164, Un\G165)

The value to be stored into CH Measured temperature value (Un\G11toUn\G18)
changes as follows, depending on the setting value.

1) Up scale (0

2) Down scale (1

3) Given value (2

CH8 CH7 CH6 CH5

Measured temperature value at the
time of disconnection detection

Up scale

Down scale
Given value

H)

Setting
value

0

H

1

H

2

H

Up-scale of the range currently set is stored.

H)

Down-scale of the range currently set is stored.

H)

The value set in CH Conversion setting value for disconnection detection
(Un\G166toUn\G173) is stored.

3 - 56

(b) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to “Down scale” (1111H).

POINT

If a value out of the setting range is set, the module operates with the default
setting, “Down scale”(1

3.4 Buffer Memory

3.4.25 Conversion setting for disconnection detection (Un\G164, Un\G165) (Q68TD-G-H02 only)

H).

3

SPECIFICATIONS

1

3.4.26 Disconnection state conversion setting (Un\G164, Un\G165)
(Q68TD-G-H01only)

When disconnection state is checked, a value stored into CH Measured temperature
value (Un\G11toUn\G18) is set. (Refer to Section 3.2.3)
The value to be stored is selected from “Up scale”, “Down scale” or “Given value”.

(1) Setting methods

(a) Set the value to be stored in buffer memory.

Un\G164 (Disconnection state
conversion setting CH1 to CH4)

Un\G165 (Disconnection state
conversion setting CH5 to CH8)

Figure 3.39 Setting of Disconnection state conversion setting (Un\G164, Un\G165)

The value to be stored into CH Measured temperature value (Un\G11toUn\G18)
in the disconnection state check changes as follows, depending on the setting
value.

b15 b12 b11 b8 b7 b4 b3 b0

to

CH4 CH3 CH2 CH1

CH8 CH7 CH6 CH5

to

Measured temperature value when
confirming disconnection state

to

Up scale
Down scale
Given value

to

Setting
value

0

H

1

H

2

H

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

1) Up scale (0

H)

Up-scale of the range currently set is stored.

2) Down scale (1

H)

Down-scale of the range currently set is stored.

3) Given value (2

H)

The value set in CH Conversion setting for disconnection state value
(Un\G166toUn\G173) is stored.

(b) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to “Down scale” (1111H).

POINT

If a value out of the setting range is set, the module operates with the default
setting, “Down scale”(1H).

6

7

8

UTILITY PACKAGE (GX

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CONFIGURATOR-TI)

PROGRAMMING

CHANGE

3.4 Buffer Memory

3.4.26 Disconnection state conversion setting (Un\G164, Un\G165) (Q68TD-G-H01only)

TROUBLESHOOTING

3 - 57

3

SPECIFICATIONS

3.4.27 CH[ ] Conversion setting value for disconnection detection (Un\G166 to Un\G173) (Q68TD-G-H02 only)

When “Give value” (2H) is set in Conversion setting for disconnection detection

(Un\G164,Un\G165), the value to be stored into CH Measured temperature value
(Un\G11toUn\G18) can be set by user. (Refer to Section 3.2.2)

(1) Setting methods

(a) Set the value to be stored in buffer memory in units of 0.1 .

• Settable range:-32768 to 32767

(b) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to “0”.

[Setting example] When the value of 800 is stored into CH1 Measured temperature
value for disconnection detection.

1) Set the following in buffer memory.

• Conversion setting for disconnection detection (Un\G164):2

• CH1 Conversion setting value for disconnection detection(Un\G166):8000

2) Turn on Operating condition setting request (Y9).

3.4.28 CH[ ] Conversion setting value for disconnection state (Un\G166 to Un\G173) (Q68TD-G-H01only)

When “Give value” (2H) is set in the Disconnection state conversion setting

(Un\G164,Un\G165), the value to be stored into CH Measured temperature value
(Un\G11toUn\G18) can be set by user in the disconnection state check. (Refer to Section

3.2.3)

(1) Setting methods

(a) Set the valuetobe stored in buffer memory in units of 0.1 .

• Settable range:-32768 to 32767

(b) Turn on Operating condition setting request (Y9) to activate the setting.

(2) Default value

All channels are set to“0”.

H

3 - 58

[Setting example] When the value of 800 is stored into CH1 Measured temperature
value for the check of disconnection state

1) Set the following in buffer memory.

• Disconnection state conversion setting (Un\G164):2

• CH1 Conversion setting value for disconnection state (Un\G166):8000

2) Turn on Operating condition setting request (Y9) to activate the setting.

3.4 Buffer Memory

3.4.27 CH[ ] Conversion setting value for disconnection detection (Un\G166 to Un\G173) (Q68TD-G-H02

H

3

SPECIFICATIONS

3.4.29 Factory default offset/gain values, User range settings offset/gain
values (Un\G190 to Un\G253)

This area is used to reset the offset/gain easily at online module change. (Refer to
CHAPTER 7)

(1) Purpose of this buffer memory

(a) When the offset/gain setting values of the user range setting are restored, the

data to be used are stored.
The data are stored (saved) in the following cases.

• When writing default setting by the utility

• When setting the operating condition (Y9 turns from off to on

• When writing the offset/gain values in the offset/gain setting mode (YA turns
from off to on)

* 1 The data are not saved when a setting value has been written in the Mode switching setting

(Un\G158,Un\G159).

*1

)

1

2

3

OVERVIEW

SYSTEM

CONFIGURATION

(b) To restore the offset/gain values of the user range setting, set the data saved in

this area to the corresponding area of the restoring target module.

(2) How to save data during online module change

Save buffer memory data during online module change in the following procedure.

1) Turn on Operating condition setting request (Y9).

2) Compare the values of the Factory default offset/gain values, the User range
settings offset/gain values, and the User range settings resistance offset/gain
values (Un\G190 to Un\G253) to the values in the range reference table.
(Refer to Section 7.4)

3) When the values are appropriate, take down the buffer memory data
compared.

POINT

This area is not used for offset/gain setting.
For offset/gain setting, refer to Section 4.6.

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

3.4 Buffer Memory

3.4.29 Factory default offset/gain values, User range settings offset/gain values (Un\G190 to Un\G253)

3 - 59

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SETUP AND PROCEDURES BEFORE OPERATION

CHAPTER4 SETUP AND PROCEDURES BEFORE

OPERATION

4.1 Handling Precautions

(1) Do not drop or give a strong impact to the case.

(2) Do not remove the printed-circuit board of the module from the case.

Doing so may cause a failure.

(3) Be careful to prevent foreign matters such as cutting chips or wire chips

from entering the module.
Failure to do so may cause a fire, failure or malfunction.

(4) A protective film is attached to the module top to prevent foreign matter

such as wire chips from entering the module during wiring.
Do not remove the film during wiring.
Be sure to remove it for heat dissipation before system operation.

(5) Tighten the screws such as module fixing screws within the following

ranges.
Undertigtening can cause drop of the screw, short circuit or
malfunction.

Table 4.1 Tightening torque

Screw location Tightening torque range

Module fixing screw (M3 screw)

Connector screw (M2.6 screw) 0.20 to 0.29N•m

* 1 The module can be easily fixed onto the base unit using the hook at the top of the module.

When using the Q68TD-G-H02(H01) in an environment of frequent vibrations, fix the module with a
module fixing screw.

(6) When mounting the module to the base unit, insert the module fixing

projection into the fixing hole in the base unit, and mount the module
with using the hole as a supporting point.
Incorrect module mounting may cause a malfunction, failure, or drop of
the module.
After mounting the module to the base unit, fix the module with a
module fixing bracket. (Q68TD-G-H02 only) (Refer to Section 4.1.1)
When using the Q68TD-G-H01 in an environment of frequent vibrations,
fix the module with a module fixing screw. (Q68TD-G-H01 only)

*1

0.36 to 0.48N•m

4 - 1

(7) Always make sure to touch the grounded metal to discharge the

electricity charged in the body, etc., before touching the module.
Failure to do so may cause a failure or malfunctions of the module.

4.1 Handling Precautions

4

SETUP AND PROCEDURES BEFORE OPERATION

4.1.1 Fixing module with module fixing bracket (Q68TD-G-H02 only)

After mounting the Q68TD-G-H02 to the base unit, fix the Q68TD-G-H02 module
with a module fixing bracket.

POINT

Make sure that the module fixing bracket is hooked on the third slit viewed from
the front of the Q68TD-G-H02. Then, tighten the module fixing screw within the
specified torque range.

1

OVERVIEW

2

Module fixing bracket

Module fixing screw

Q68TD-G-H02

Figure 4.1 Fixing module with module fixing bracket

3rd slit

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

4.1 Handling Precautions

4.1.1 Fixing module with module fixing bracket (Q68TD-G-H02 only)

4 - 2

7

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4

SETUP AND PROCEDURES BEFORE OPERATION

4.2 Setup and Procedures before Operation

Start

Module mounting
Mount the Q68TD-G-H02(H01) in the specified slot.

Wiring

Wire the thermocouple and cold junction temperature
compensation resistor to the Q68TD-G-H02(H01).
If the terminal block is used, connect the thermocouple
and cold junction temperature compensation resistor
to it. Then wire the terminal block to the
Q68TD-G-H02(H01).

Intelligent function module switch settings
Perform settings using GX Developer.

Use user range settings?

Use user range settings

Offset/gain setting
If user range settings are used, perform the
offset and gain settings.

Use the utility package?

YES

Initial setting and automatic refresh setting

The program can be simplified if the utility
package is used for setting.

Programming and debugging
Create and check the sequence program.

Figure 4.2 Procedures and setting before system operation

(Refer to CHAPTER 5).

Use factory default settings

NO

4 - 3

4.2 Setup and Procedures before Operation

4

r

r

SETUP AND PROCEDURES BEFORE OPERATION

4.3 Part Names

The following explains the part names of the Q68TD-G-H02(H01).
The part names and signal names of the Q68TD-G-H02 and Q68TD-G-H01 are same.

(1) Q68TD-G-H02

1

OVERVIEW

2

Module fixing screw

(2) Q68TD-G-H01

Module fixing bracket

1)

2)

(Connector

terminal

number)

A1

A20

(Connecto

terminal

number)

B1

B20

3)

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

2)

(Connector

terminal

number)

A1

A20

4.3 Part Names

3)1)

(Connecto

terminal

number)

B1

B20

4 - 4

6

7

8

UTILITY PACKAGE (GX

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4

SETUP AND PROCEDURES BEFORE OPERATION

Table 4.2 Part names

Number Name Description

Displays the operating status of the Q68TD-G-H02(H01).

On : Normal operation

1) RUN LED

2) ERR. LED

3) ALM LED

Flashing : During offset/gain setting mode

Off :

5V power supply interrupted, watchdog timer error occurred, or online module

change enabled.

Displays the error status of the Q68TD-G-H02(H01).

On : Error

Flashing : Error in switch settings

Switch No. 5 of the intelligent function module has been set to a value other

than zero.

Off : Normal operation

Displays the warning status of the Q68TD-G-H02(H01).

On : Warning (process alarm, rate alarm) occurring (Refer to Section 3.4.13)

Flashing :

Disconnection detected (Q68TD-G-H02)

Checking a disconnection status (Q68TD-G-H01)

Off : Normal operation

A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20

Seen from the front

of the module

B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20

Figure 4.3 Terminal

number

Table 4.3 Signal name

Term in al

number

Signal name

Terminal

number

Signal name

A1 CH1+ B1 CH1-

A2 --- B2 ---

A3 CH2+ B3 CH2-

A4 --- B4 ---

A5 CH3+ B5 CH3-

A6 --- B6 ---

A7 CH4+ B7 CH4-

A8 --- B8 ---

A9 CH5+ B9 CH5-

A10 --- B10 ---

A11 CH6+ B11 CH6-

A12 --- B12 ---

A13 CH7+ B13 CH7-

A14 --- B14 ---

A15 CH8+ B15 CH8-

A16 --- B16 ---

A17 --- B17 ---

A18 --- B18 ---

A19 --- B19 RTD+

A20 RTDG B20 RTD-

4 - 5

* For actual wiring, refer to Section 4.4.2 External Wiring.

4.3 Part Names

4

SETUP AND PROCEDURES BEFORE OPERATION

4.4 Wiring

1

The following explains the wiring precautions and module connection example.

4.4.1 Wiring precautions

External wiring that is less susceptible to noise is required as a condition of enabling a
highly reliable system and making full use of the capabilities of the Q68TD-G-H02(H01).

(1) Use separate cables for the AC control circuit and the external input

signals of the Q68TD-G-H02(H01) to avoid the influence of the AC side
surges and inductions.

(2) Always place the thermocouple at least 100mm away from the main

circuit cables and AC control circuit lines. Fully keep it away from high­voltage cables and circuits, which include high frequency waves, such
as an inverter's load circuit. Not doing so will cause the module more
susceptible to noises, surges and inductions.

(3) The following wiring is required for the product to comply with the EMC

and Low Voltage Directives.

Q68TD-G-H02(H01)

A6CON4

In a control panel

AD75CK

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

Relay
terminal
block

20(7.87) to 30cm

(11.81 inch)

Figure 4.4 Wiring complying with EMC and LOW Voltage Directives

(a) Use shielded cables for every external wiring and use the AD75CK cable clamp to

ground to the panel. AD75CK can ground four cables together when using cables

with outer diameter of about 7mm.

(b) For wiring between A6CON4 and a relay terminal block, use shielded cables to

ground to the panel. In addition, keep the wiring distance within 3m.

(c) Before touching the relay terminal block, always touch the grounded metal to

discharge the electricity charged in the body.

Strip off
the outer
sheath

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

4.4 Wiring

4.4.1 Wiring precautions

TROUBLESHOOTING

4 - 6

4

SETUP AND PROCEDURES BEFORE OPERATION

4.4.2 External wiring

(1) Wiring procedure

1) Install a relay terminal block for wiring.

2) Connect the thermocouple and the compensation conductors to the relay
terminal block.

3) When setting the Q68TD-G-H02(H01) to "With cold junction temperature
compensation", connect the cold junction temperature compensation resistor
(RTD), which is supplied with Q68TD-G-H02(H01), to the relay terminal block.

4) Use A6CON4 to wire between the relay terminal block and Q68TD-G­H02(H01).

Q68TD-G-H02(-H01)

Compensation

conductors

(*2)

RTD

(*3)

(*4)

Relay

terminal block

CH1

+

­Cable(*1)

CH8

+

-

RTD

+

-

G

Figure 4.5 Wiring example using relay terminal block

*1 Always use shielded cabled.
In addition, always ground the shield.
*2 Always use shielded compensation conductors.
In addition always ground the shield.
*3 When setting the Q68TD-G-H02(H01) to "With cold junction temperature compensation",
always connect the cold junction temperature compensation resistor (RTD).
*4 When connecting the RTD, always connect the terminals between RTD- and RTD G.

Connector
(A6CON4)

CH1

+

-

CH8

+

-

RTD

+

-

G

A1

B1

A15

B15

B19

B20

A20

Modulator

Modulator

Filter

Demodulator

Demodulator

Input amplifer

4 - 7

4.4 Wiring

4.4.2 External wiring

4

SETUP AND PROCEDURES BEFORE OPERATION

4.5 Switch Setting for Intelligent Function Module

The settings for the intelligent function module are performed using the I/O assignment
settings for GX Developer.

(1) Setting item

Intelligent function module switch has switches 1 to 5.The setting is executed with 16­bit data.
When not setting the intelligent function module switch, the default of switches 1 to 5
is 0.

Table 4.4 Intelligent Function Module Switch Settings

Setting Item

Switch 1

Switch 2

Thermocouple type

settings

(CH1 to CH4)

H

CH4 CH3 CH2 CH1

Thermocouple type

settings

(CH5 to CH8)

H

CH8 CH7 CH6 CH5

Thermocouple type Setting value

Thermocouple K 0

Thermocouple E 1

Thermocouple J 2

Thermocouple T 3

Thermocouple B 4

Thermocouple R 5

Thermocouple S 6

Thermocouple N 7

Setting a value other than 0 to 7 results in a range

setting error (error code: 10 ) and the measured

temperature is not converted. ( indicates the error

corresponding channel number.)

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

Switch 3

Switch 4

Switch 5

Offset/gain setting mode

00

Fixed to 0

H

H

b7 b6 b5 b4 b3 b2 b1 b0

CH8 CH7 CH6 CH5CH4 CH3 CH2 CH1

0: Factory default setting
1: User range setting

Mode setting, Cold junction compensation setting

00

H

Fixed to 0

H

0

: With cold junction temperature compensation

1 to FH*1

: Without cold junction temperature compensation

0

: Normal mode

H

1 to FH*1

: offset/gain setting mode

0 : Fixed *2

* 1 Setting any value within the setting range will provide the same operation.

When the setting range is 1 to FH, set 1 for example.

* 2 Setting a value other than "0" results in an error.

6

7

8

UTILITY PACKAGE (GX

ONLINE MODULE

CONFIGURATOR-TI)

PROGRAMMING

CHANGE

4.5 Switch Setting for Intelligent Function Module

TROUBLESHOOTING

4 - 8

4

SETUP AND PROCEDURES BEFORE OPERATION

(2) Operating procedure

Start the settings with GX Developer assignment setting screen.

(a) I/O assignment setting screen

Set the following for the slot in which the Q68TD-G-H02(H01) is mounted.
The type setting is required; set other items as needed.
Type : Select "intelli."
Model name : Enter the module model name.
Points : Select 16 points.
Start XY : Enter the start I/O number for the Q68TD-G-H02(H01).
Detail setting: Specify the control PLC for the Q68TD-G-H02(H01).
It is unnecessary to set the "Error time output mode" or "H/W error time PLC
operation mode" since these settings are invalid for the Q68TD-G-H02(H01).

Figure 4.6 I/O assignment tab

(b) Switch setting for intelligent function module screen

Click on [Switch setting] on the I/O assignment setting screen to display the
screen shown at left, then set switches 1 to 5.
The switches can easily be set if values are entered in hexadecimal. Change the
entry format to hexadecimal and then enter the values.

Figure 4.7 Switch setting for intelligent function module screen

4 - 9

4.5 Switch Setting for Intelligent Function Module

4

SETUP AND PROCEDURES BEFORE OPERATION

4.6 Offset/Gain Setting

Execute offset/gain settings in the following procedure.
When the factory shipped setting is used, offset/gain setting is not necessary.
If the utility package is installed, execute the offset/gain setting according to the procedure
in Section 5.6.2.

(1) Setting procedure

With the intelligent function module swich setting,
set the input type setting value to a type for executing
error compensation. In the cold junction temperature
compensation setting, set it to "with cold junction
temperature compensation". *1

2)

Switch to the offset/gain setting mode. *2

Check that "RUN" LED is flashing to indicate the
offset/gain setting mode.

1)

Set the conversion enable/disable setting (Un\G0)
of the channel for executing the offset/gain setting
to "enable" and turnY9 from ON to OFF. *3

Check the disconnection
detection flag (Un\G49)
(Q68TD-G-H02 only) or
disconnection state
monitor flag (Un\G49)
(Q68TD-G-H01 only),
and identify the channel
for the disconnection.
Then review the wiring
of the channel and turn
YF from ON to OFF.

YES

Enter the value, to be used as a offset value in the
termocouple or standard DC voltage generator, to
channel for adjusting.

START

Is the disconnection

detection signal (XC)

(Q68TD-G-H02 only) or disconnection

state monitor signal (XC)

(Q68TD-G-H01 only)

ON?

NO

Set the gain setting channel in the offset/gain setting
mode (Gain specification)(Un\G27). Set the offset/gain
setting mode (Offset specification)(Un\G26) to "0".

Write the temperature setting value (digital)
equivalent to the analog input value to the CH gain
temperature setting value (Un\G29)*4 of the channel
to be adjusted.

Turn ON the channel change request (YB).

Confirm that the channel change completion flag
(XB) is turned ON.

Turn OFF the channel change request (YB).

Do you want to adjust other channels?

YES

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

1)

Set the offset setting channel in the offset/gain
setting mode (Offset specification)(Un\G26). Set the
offset/gain setting mode (Gain specification)
(Un\G27) to "0".

Write the temperature setting value (digital)
equivalent to the analog input value to the CH offset
temperature setting value (Un\G28)*4 of the channel
to be adjusted.

Turn ON the channel change request (YB).

Confirm that the channel change completion flag
(XB) is turned ON.

Turn OFF the channel change request (YB).

Enter the value, to be used as gain value in the
termocouple or standard DC voltage generator, to
channel for adjusting.

Turn ON the user range write request (YA).

Confirm that the offset/gain setting mode status flag
(XA) is turned OFF.

Turn OFF the user range write request (YA).

Switch to normal mode.

Figure 4.8 Setting procedure for offset/gain setting

4.6 Offset/Gain Setting

NO

Is the "ERR." LED on?

NO

FINISH

YES

4 - 10

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

2)

7

ONLINE MODULE

CHANGE

8

TROUBLESHOOTING

4

SETUP AND PROCEDURES BEFORE OPERATION

* 1 When inputting a value using such as a standard DC voltage generator, or using without cold

junction temperature compensation on actual use, set it to "without cold junction compensation".

* 2 The mode switching (normal mode to offset/gain setting mode to normal mode) method is indicated

below.

Table 4.5 Mode switching method

Mode switching method Refer to

Dedicated instruction (G(P).OFFGAN)

Setting the mode switching setting (Un\G158, Un\G159) and turning from

OFF to ON the operating condition setting request (Y9).

Intelligent function module switch setting

(After setting the intelligent function module switch, reset or turn from OFF

to ON the programmabel controller CPU.)

* 3 For the conversion enable/disable setting of unused channels or channels not executing the offset/

gain setting, always set it to "disable".
If all channels are set to "Enable", Disconnection detection flag (Disconnection state monitor flag)
(Un\G49) of channels that are not connecting a thermocouple turns on (changes to "1")

* 4 Buffer memory address of channel 1 only is indicated in the chart. For buffer memory address of

other channels, refer to Section 3.4.1 Buffer memory assignment.

(2)(a) in this

section

(2)(b) in this

section

Section 4.5,

(2)(c) in this

section

4 - 11

4.6 Offset/Gain Setting

4

SETUP AND PROCEDURES BEFORE OPERATION

POINT

(1) Execute the offset/gain settings in the actual operating status.
(2) Offset value and gain value are stored in the Flash memory of the Q68TD-G-

H02(H01) by turning ON the user range write request (YA), and the values are
not erased at power-off. To prevent unnecessary write to Flash memory, an
error (error code 162) occures if writing is performed 26 times continuously.

(3) Execute the offset/gain setting within the measured temperature guarantee

range (refer to shaded area of Section 3.1 (2) Table 3.2).
If the setting exceeds the measrued temperature guarantee range, resolution
and accuracy may not be within the ranges of the performance specifications.

(4) Set the offset and gain values within the ranges where the following

conditions are satisfied.

(Gain value) - (offset value) > 0.1[ ]
Set the offset temperature setting value and gain temperature setting value
within the range where the following conditions are satisfied.

(Gain temperarure setting value) - (offset temperature setting value) > 0.1[ ]

(5) When the user range write request (YA) is turned ON, consistency check for

offset value and gain value, and offset temperature setting value and gain
temperature setting value is executed.
If an error occurs on any channel, offset/gain values are not written to the
module. Check the value of error code (Un\G19) and take an appropriate
measure. Then, execute offset/gaing setting again.

(6) Offset/gain setting can be exectued on multiple channels at the same time;

however, set the offset and gain separately.
Setting the offset and gain for channels at the same time results in an error,
and the [ERR.] LED turns on.

(7) It takes approximately seven seconds from when Channel change request

(YB) turns on till when Channel change completion flag (XB) turns on. During
this period, input to channels targeted for offset/gain setting must be constant.
In addition, if disconnection is detected or checked during this period,
Channel change completion flag (XB) turns on earlier and an error (error

code: 51 ) occurs simultaneously. If this occurs, perform offset/gain setting
again after connection is restored.

(8) If an error (error code: 51 ) described at (7) occurs while performing offset/

gain setting simultaneously on multiple channels, values are not set only for
the channel of which disconnection is detected or checked but also normally­connected channels. Therefore, perform offset/gain setting again for all
adjusting target channels after connection is restored.

(9) The Module ready (X0) turns from OFF to ON when the offset/gain setting

mode is switched to the normal mode by the setting of the dedicated
instruction (G(P).OFFGAN) or mode switch settings (Un\G158, Un\G159).
Note that initial setting processing will be executed if there is a sequence
program that will execute initial setting when the Module ready (X0) turns ON.

(10)Warm-up (power distribution) period of 30 minutes is required to satisfy with

accuracy before the offset/gain setting is performed.

1

OVERVIEW

2

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

4.6 Offset/Gain Setting

TROUBLESHOOTING

4 - 12

4

SETUP AND PROCEDURES BEFORE OPERATION

(2) Program examples

(a) The program in dotted area of (a) is common to (a),(b) and (c).
In this example, the I/O numbers for the Q68TD-G-H02(H01) are X/Y0 to X/YF.

Table 4.6 List of devices

Device Function

M0 Mode switching

M1 Channel selection

M2 Channel conversion enabling

M3 Offset setting

M4 Gain setting

M5 Channel change instruction

M6 Offset/gain setting value write command to module

M50 Switching to the offset/gain setting mode

M51 Switching to the normal mode

D0 Dedicated instruction (G(P).OFFGAN) setting value storage device

D1

D2

D3 Offset temperature setting value storage device

D4 Gain temperature setting value storage device

Channel specification storage device

4 - 13

4.6 Offset/Gain Setting

4

SETUP AND PROCEDURES BEFORE OPERATION

(a) When switching the mode using dedicated instruction (G(P).OFFGAN)

The following program example is for switching to the offset/gain setting mode
with the dedicated instruction (G(P).OFFGAN) and changing the channel for the
offset/gain setting, then writing the offset/gain values to the Q68TD-G-H02(H01)
and then switching to the normal mode.

1

OVERVIEW

2

*1

Dedicated instruction
(G.OFFGAN)

Stores offset/gain setting
target channel.

Copies data of D1 into D2.

Inverts bit for conversion
enable/disable setting.

Sets conversion
enable/disable.

Turns ON Operating
condition setting request (Y9).

Turns OFF Operating
condition setting request (Y9).

Stores offset temperature
setting value into D3.

Writes value to Offset
temperature setting value.

Specifies offset setting
channel.

Sets "0" for gain setting
channel.

Stores gain temperature
setting value into D4.

Writes value to Gain
temperature setting value.

Sets "0" for offset setting
channel.

Specifies gain setting
channel.

Turns ON Channel change
request (YB).

Turns OFF Channel change
request (YB).

Turns ON User range write
request (YA).

Turns OFF User range write
request (YA).

SYSTEM

CONFIGURATION

3

SPECIFICATIONS

4

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

Processing in normal mode

Figure 4.9 When switching the mode using dedicated instruction (G(P).OFFGAN)

* 1 The program in the dotted area is a common program.

4.6 Offset/Gain Setting

4 - 14

8

ONLINE MODULE

CHANGE

TROUBLESHOOTING

4

SETUP AND PROCEDURES BEFORE OPERATION

(b) When switching the mode using the the mode switching setting (Un\G158,

Un\G159) and the operating condition setting request (Y9)

Stores "H4144" in Un\G1

Stores "H0964" in Un\G1

Common program

Stores "H0964" in Un\G1

Stores "H4144" in Un\G1

Processing in normal mode

Figure 4.10 When switching the mode using the setting in the Mode switching setting (Un\G158,Un\G159) and Operating condition

setting request (Y9)

(c) When switching the mode by making intelligent function module switch setting

Only the common program is necessary.

4 - 15

4.6 Offset/Gain Setting

4

SETUP AND PROCEDURES BEFORE OPERATION

4.7 Cold Junction Temperature Compensation with/without Setting

The Q68TD-G-H02(H01) can execute the following two different cold junction temperature
compensations by setting the inteligent function module switch setting (switch 4) to
whether to carry out the cold junction temperature compensation using the cold junction
temperature compensation resistor (RTD) or not.

(1) Executing cold junction temperature compensation with the cold

junction temperature compensation resistor (RTD) (set to "with cold
junction temperature compensation")

Cold junction temperature compensation is possible by connecting the supplied cold
junction temperature compensation resistor (RTD) and setting it to "with cold junction
temperature compensation".
Always connect the supplied cold junction temperature compensation resistor (RTD)
to the terminal block. (For connection, refer to Section 4.4.2.)

Q68TD-G-H02(H01)

Terminal block

RTD

Compensation conductor

Object whose temperature
is to be measured

Thermocouple

1

2

3

4

OVERVIEW

SYSTEM

CONFIGURATION

SPECIFICATIONS

Figure 4.11 Connection between a cold junction compensation resistor (RTD) and a relay terminal block

(2) Executing cold junction temperatuer compensation externally (set to

"without cold junction temperature compensation")

Use this function to measure temperatures at high accuracy when the cold junction
temperature compensation accuracy ( 1 ) of supplied cold junction temperature
compensation resistor (RTD) cannot be taken as a margin of error.
Connecting a cold junction temperature compensation resistor (RTD) to the terminal
block is unnecessary.

By providing a precision ice bath externally, the thermoelectromotive force generated
at the tip of the thermocouple can be led to this module without any change, improving
the cold junction temperature compensation accuracy.

Q68TD-G-H02(H01)

Terminal block

Conductor

Compensation conductor

Object whose temperature
is to be measured

Thermocouple

SETUP AND

PROCEDURES BEFORE

OPERATION

5

UTILITY PACKAGE (GX

CONFIGURATOR-TI)

6

PROGRAMMING

7

ONLINE MODULE

CHANGE

8

Ice bath

Figure 4.12 Connection between an ice bath and a relay terminal block

4.7 Cold Junction Temperature Compensation with/without Setting

TROUBLESHOOTING

4 - 16

4

SETUP AND PROCEDURES BEFORE OPERATION

POINT

The ice bath is designed to connect the thermocouple/compensation conductor
and conductor in the pot whose internal temperature is controlled to be 0 .
Hence, the thermoelectromotive force at the contact portion of the thermocouple/
compensation conductor and conductor will be 0mV, preventing the generation of
extra thermoelectromotive force which can cause errors.

4 - 17

4.7 Cold Junction Temperature Compensation with/without Setting