Mitsubishi Electric AJ65BT-68TD User manual

AJ65BT-68TD Thermocouple Temperature Input
Module
User's Manual
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SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using this product, please read this manual and the relevant manuals carefully and pay full
attention to safety to handle the product correctly.
These precautions apply only to Mitsubishi equipment. Refer to the CPU module user's manual for a
description of the programmable controller system safety precautions.
In this manual, the safety precautions are classified into two levels: " WARNING" and " CAUTION".
Indicates that incorrect handling may cause hazardous conditions,
resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous conditions,
resulting in minor or moderate injury or property damage.
Under some circumstances, failure to observe the precautions given under " CAUTION" may lead to
serious consequences.
Observe the precautions of both levels because they are important for personal and system safety.
Make sure that the end users read this manual and then keep the manual in a safe place for future
reference.
[Design Precautions]
WARNING
zIn the case of a communication failure in the network, data in the master module are held.
Check the communication status information (SB, SW) and configure an interlock circuit in the sequence
program to ensure that the entire system will operate safely.
CAUTION
zDo not install the control lines or communication cables together with the main circuit lines or power cables.
Keep a distance of 100mm (3.94 inches) or more between them.
Failure to do so may result in malfunction due to noise.
WARNING
CAUTION
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[Installation Precautions]
CAUTION
zUse the programmable controller in an environment that meets the general specifications in this manual.
Failure to do so may result in electric shock, fire, malfunction, or damage to or deterioration of the product.
zFor protection of the switches, do not remove the cushioning material before installation.
zSecurely fix the module with a DIN rail or mounting screws. Tighten the screws within the specified torque
range.
Undertightening can cause drop of the screw, short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
zDo not directly touch any conductive part of the module.
Doing so can cause malfunction or failure of the module.
[Wiring Precautions]
CAUTION
zShut off the external power supply for the system in all phases before wiring.
Failure to do so may result in damage to the product.
zAfter installation or wiring, attach the included terminal cover to the module before turning it on for operation.
Undertightening can cause short circuit or malfunction.
zGround the FG terminals to the protective ground conductor dedicated to the programmable controller.
Failure to do so may result in malfunction.
zUse applicable solderless terminals and tighten them within the specified torque range.
If any spade solderless terminal is used, it may be disconnected when the terminal screw comes loose,
resulting in failure.
zCheck the rated voltage and terminal layout before wiring to the module, and connect the cables correctly.
Connecting a power supply with a different voltage rating or incorrect wiring may cause a fire or failure.
zTighten the terminal screw within the specified torque range.
Undertightening can cause short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
zPrevent foreign matter such as dust or wire chips from entering the module.
Such foreign matter can cause a fire, failure, or malfunction.
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[Wiring Precautions]
CAUTION
zPlace the cables in a duct or clamp them.
If not, dangling cable may swing or inadvertently be pulled, resulting in damage to the module or cables or
malfunction due to poor contact.
zDo not install the control lines or communication cables together with the main circuit lines or power cables.
Failure to do so may result in malfunction due to noise.
zWhen disconnecting the cable from the module, do not pull the cable by the cable part.
Loosen the screws of connector before disconnecting the cable.
Failure to do so may result in damage to the module or cable or malfunction due to poor contact.
[Startup and Maintenance Precautions]
CAUTION
zDo not touch any terminal while power is on.
Doing so may cause malfunction.
zShut off the external power supply for the system in all phases before cleaning the module or retightening
the terminal screws.
Failure to do so may cause the module to fail or malfunction.
Undertightening the terminal screws can cause short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.
zDo not disassemble or modify the modules.
Doing so may cause failure, malfunction, injury, or a fire.
zDo not drop or apply strong shock to the module.
Doing so may damage the module.
zShut off the external power supply for the system in all phases before mounting or removing the module to
or from the panel.
Failure to do so may cause the module to fail or malfunction.
zAfter the first use of the product, do not mount/remove the terminal block to/from the module more than 50
times. (IEC 61131-2 compliant)
zBefore handling the module, touch a grounded metal object to discharge the static electricity from the
human body.
Failure to do so may cause the module to fail or malfunction.
[Disposal Precautions]
CAUTION
zWhen disposing of this product, treat it as an industrial waste.
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CONDITIONS OF USE FOR THE PRODUCT
(1) Mitsubishi programmable controller ("the PRODUCT") shall be used in conditions;
i) where any problem, fault or failure occurring in the PRODUCT, if any, shall not lead to any major or
serious accident; and
ii) where the backup and fail-safe function are systematically or automatically provided outside of the
PRODUCT for the case of any problem, fault or failure occurring in the PRODUCT.
(2) The PRODUCT has been designed and manufactured for the purpose of being used in general
industries.
MITSUBISHI SHALL HAVE NO RESPONSIBILITY OR LIABILITY (INCLUDING, BUT NOT LIMITED
TO ANY AND ALL RESPONSIBILITY OR LIABILITY BASED ON CONTRACT, WARRANTY, TORT,
PRODUCT LIABILITY) FOR ANY INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO
PROPERTY CAUSED BY the PRODUCT THAT ARE OPERATED OR USED IN APPLICATION
NOT INTENDED OR EXCLUDED BY INSTRUCTIONS, PRECAUTIONS, OR WARNING
CONTAINED IN MITSUBISHI'S USER, INSTRUCTION AND/OR SAFETY MANUALS, TECHNICAL
BULLETINS AND GUIDELINES FOR the PRODUCT.
("Prohibited Application")
Prohibited Applications include, but not limited to, the use of the PRODUCT in;
yNuclear Power Plants and any other power plants operated by Power companies, and/or any other
cases in which the public could be affected if any problem or fault occurs in the PRODUCT.
yRailway companies or Public service purposes, and/or any other cases in which establishment of a
special quality assurance system is required by the Purchaser or End User.
yAircraft or Aerospace, Medical applications, Train equipment, transport equipment such as Elevator
and Escalator, Incineration and Fuel devices, Vehicles, Manned transportation, Equipment for
Recreation and Amusement, and Safety devices, handling of Nuclear or Hazardous Materials or
Chemicals, Mining and Drilling, and/or other applications where there is a significant risk of injury to
the public or property.
Notwithstanding the above, restrictions Mitsubishi may in its sole discretion, authorize use of the
PRODUCT in one or more of the Prohibited Applications, provided that the usage of the PRODUCT is
limited only for the specific applications agreed to by Mitsubishi and provided further that no special
quality assurance or fail-safe, redundant or other safety features which exceed the general
specifications of the PRODUCTs are required. For details, please contact the Mitsubishi
representative in your region.
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Revisions
* The manual number is noted at the lower left of the back cover.
Print Date *Manual Number Revision
Apr., 1998 SH(NA)-3304-A First printing
Jul., 2005 SH(NA)-3304-B Addition
Conformation to the EMC Directive and Low Voltage Instruction, WARRANTY
Correction
SAFETY PRECAUTIONS, Section 2.2, 5
Dec., 2006 SH(NA)-3304-C Correction
SAFETY PRECAUTIONS, Section 2.1, 3.9.4, 4.3, Chapter 5
Dec., 2010 SH(NA)-3304-D Addition
CONDITIONS OF USE FOR THE PRODUCT
Correction
SAFETY PRECAUTIONS, About Manuals, Compliance with the EMC and
Low Voltage Directives, About Generic Terms and Abbreviations, Chapter 1,
Section 2.1, 2.2, 3.1, 3.2, 3.5, 3.8.1, 3.9.4, 4.2 to 4.4, 4.7, 5.1 to 5.3, 5.6, 6.1,
6.4, Appendix 4
Deletion
Section 4.7.1
Renumbering
Section 4.7.2 to 4.7.4 →Section 4.7.1 to 4.7.3
Japanese Manual Version SH-3651-F
This manual does not imply guarantee or implementation right for industrial ownership or implementation
of other rights. Mitsubishi Electric Corporation is not responsible for industrial ownership problems caused
by use of the contents of this manual.
©1998 Mitsubishi Electric Corporation
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Introduction
Thank you for purchasing the Mitsubishi Graphic Operation Terminal.
Before using the equipment, please read this manual carefully to develop full familiarity with the functions and
performance of the graphic operation terminal you have purchased, so as to ensure correct use.
Please forward a copy of this manual to the end user.
Table of Contents
1. OVERVIEW 1-1
1.1 Features............................................................................................................................................................ 1- 1
2. SYSTEM CONFIGURATION 2-1 to 2-2
2.1 Overall Configuration ........................................................................................................................................ 2- 1
2.2 Applicable System ............................................................................................................................................ 2- 2
3. SPECIFICATIONS 3-1 to 3-24
3.1 General Specification........................................................................................................................................ 3- 1
3.2 Performance Specifications .............................................................................................................................. 3- 2
3.3 Temperature/Digital Conversion Characteristics............................................................................................... 3- 4
3.4 Maximum Transmission Distance over the CC-Link System ............................................................................ 3- 4
3.5 Data Link Processing Time. .............................................................................................................................. 3- 5
3.6 Twisted Cable Specifications ............................................................................................................................ 3- 6
3.7 Function List...................................................................................................................................................... 3- 7
3.8 I/O Signals in Respect to the Master Module.................................................................................................... 3- 8
3.8.1 I/O signal list .......................................................................................................................................... 3- 8
3.8.2 I/O signal functions ................................................................................................................................ 3-11
3.8.3 Wire breakage detection........................................................................................................................ 3-16
3.8.4 Conversion enable/disable designation ................................................................................................. 3-17
3.8.5 Sampling processing/travel average processing designation................................................................ 3-18
3.8.6 Thermocouple type selection................................................................................................................. 3-20
3.8.7 Pt100 cold junction compensation enable/disable designation ............................................................. 3-21
3.9 Remote Register ............................................................................................................................................... 3-22
3.9.1 Remote register assignment.................................................................................................................. 3-22
3.9.2 High and low limit settings ..................................................................................................................... 3-23
3.9.3 Detected temperature value .................................................................................................................. 3-24
3.9.4 Scaling value ......................................................................................................................................... 3-24
4. SETTING AND PROCEDURE BEFORE OPERATION 4-1 to 4-10
4.1 Procedure before Operation ............................................................................................................................. 4- 1
4.2 Handling Precautions........................................................................................................................................ 4- 2
4.3 Part Identification and Setting ........................................................................................................................... 4- 3
4.4 Error Compensation by the Offset Value/Gain Value Setting ........................................................................... 4- 5
4.4.1 Initial settings for error compensation.................................................................................................... 4- 6
4.4.2 Error compensation procedure .............................................................................................................. 4- 7
4.5 Station Number Setting..................................................................................................................................... 4- 8
4.6 Orientation of Module Installation ..................................................................................................................... 4- 8
4.7 Wiring................................................................................................................................................................ 4- 9
4.7.1 Wiring example with CC-Link modules .................................................................................................. 4- 9
4.7.2 Precautions when wiring to a thermocouple .......................................................................................... 4-10
4.7.3 Wiring example with thermocouple........................................................................................................ 4-10
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5. PROGRAMMING 5-1 to 5-21
5.1 Programming Procedure................................................................................................................................... 5- 1
5.2 Program Example Conditicons.......................................................................................................................... 5- 2
5.3 Program Eamples when QCPU(Q Mode) Is Used ............................................................................................ 5- 5
5.4 Program Eamples when QnACPU is Used ....................................................................................................... 5-13
5.5 Program Eamples when ACPU/QCPU(A Mode) Is Used (Dedicated Instructions)........................................... 5-16
5.6 Program Eamples when ACPU/QCPU(A Mode) Is Used (FROM/TO Instructions)........................................... 5-19
6. TROUBLESHOOTING 6-1 to 6-5
6.1 Cause of Errors and Corrective Actions by LED Indication............................................................................... 6- 1
6.2 When Wire Breakage Detection Flag is On...................................................................................................... 6- 3
6.3 When E2PROM Error Flag is On....................................................................................................................... 6- 3
6.4 When Detected Temperature Value cannot be Read ....................................................................................... 6- 3
6.5 When Detected Temperature Value is Abnormal ............................................................................................. 6- 3
6.6 When There is a Communication Error between Master Station and AJ65BT-68TD ....................................... 6- 4
APPENDIX A-1 to A-28
Appendix 1 Usual Operation Limits and Superheated Operating Limits .................................................................. A- 1
Appendix 2 Allowable Temperature Differences ...................................................................................................... A- 1
Appendix 3 Thermal Electromotive Force Chart ...................................................................................................... A- 2
Appendix 3.1 Standard Thermal Electromotive Force of B ............................................................................. A- 2
Appendix 3.2 Standard Thermal Electromotive Force of R............................................................................. A- 6
Appendix 3.3 Standard Thermal Electromotive Force of S ............................................................................. A-10
Appendix 3.4 Standard Thermal Electromotive Force of K ............................................................................. A-14
Appendix 3.5 Standard Thermal Electromotive Force of E ............................................................................. A-18
Appendix 3.6 Standard Thermal Electromotive Force of J.............................................................................. A-21
Appendix 3.7 Standard Thermal Electromotive Force of T ............................................................................. A-25
Appendix 4 External Dimensions Diagram............................................................................................................... A-27
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About Manuals
The following are manuals related to this product.
Request for the manuals as needed according to the chart below.
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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
the "EMC AND LOW VOLTAGE DIRECTIVES" chapter of the User's Manual for
the CPU module used.
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 the "CC-Link module" section in the "EMC AND LOW VOLTAGE
DIRECTIVES" chapter of the User's Manual for the CPU module used.
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