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PLC User's Manual - Analog Control Edition
Table of Contents
FX3U-4AD-TC-ADP (4-channel Thermocouple Data Input)
1. Outline L-3
1.1 Outline of Functions .....................................................................................................................L-3
1.2 Setup Procedure Before Starting Operation ................................................................................L-4
1.3 Connectable PLC and Its Version Number ..................................................................................L-5
1.4 Compatible Programming Tool Version Number .........................................................................L-5
2. Specifications L-6
2.1 Generic Specifications .................................................................................................................L-6
2.2 Power Supply Specifications........................................................................................................L-6
2.3 Performance Specifications .........................................................................................................L-7
2.4 A/D Conversion Time...................................................................................................................L-8
2.4.1 When connected to a FX3U, FX3UC PLC....................................................................................L-8
2.4.2 When connected to a FX3G PLC .................................................................................................L-9
2.5 Temperature Measurement..........................................................................................................L-9
3. Wiring L-10
3.1 Terminal Layout .........................................................................................................................L-11
3.2 Applicable Cables and Terminal Tightening Torque ..................................................................L-12
3.3 Power Supply Line .....................................................................................................................L-13
3.3.1 To connect to FX3G, FX3U Series PLC......................................................................................L-13
3.3.2 To connect to the FX
3UC Series PLC.........................................................................................L-13
3.4 Selection of the Thermocouple ..................................................................................................L-14
3.4.1 Thermocouple type.....................................................................................................................L-14
3.4.2 Compensating lead wire.............................................................................................................L-14
3.5 Wiring of Thermocouple.............................................................................................................L-14
3.5.1 Wiring of thermocouple type K ...................................................................................................L-14
3.5.2 Wiring of the thermocouple type J..............................................................................................L-15
3.6 Caution Regarding Wiring..........................................................................................................L-15
3.7 Grounding ..................................................................................................................................L-15
4. Programming L-16
4.1 Loading of A/D Conversion Data................................................................................................L-16
4.2 List of Special Devices...............................................................................................................L-18
4.3 Selection of Temperature Unit ...................................................................................................L-19
4.4 Selection of Type K or J.............................................................................................................L-20
4.5 Temperature Measurement........................................................................................................L-21
4.6 Averaging Time..........................................................................................................................L-22
4.7 Error Status................................................................................................................................L-23
4.8 Model Code................................................................................................................................L-26
4.9 Basic Program Example.............................................................................................................L-27
5. Troubleshooting L-29
5.1 PLC Version Number Check......................................................................................................L-29
5.2 Wiring Check..............................................................................................................................L-29
5.3 Special Device Check ................................................................................................................L-29
5.4 Program Check ..........................................................................................................................L-30
5.5 Error Status Check.....................................................................................................................L-30