18
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Table of Contents
L. 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-6
2. Specifications L-7
2.1 Generic Specifications ................................................................................................................. L-7
2.2 Power Supply Specifications........................................................................................................ L-7
2.3 Performance Specifications .........................................................................................................L-8
2.4 A/D Conversion Time ................................................................................................................... L-9
2.4.1 When connected to a FX3S PLC .................................................................................................. L-9
2.4.2 When connected to a FX
3G/FX3GC PLC ...................................................................................L-10
2.4.3 When connected to a FX3U/FX3UC PLC.................................................................................... L-11
2.5 Temperature Measurement........................................................................................................L-11
3. Wiring L-12
3.1 Terminal Layout .........................................................................................................................L-13
3.2 Applicable Cables and Terminal Tightening Torque ..................................................................L-14
3.3 Power Supply Line ..................................................................................................................... L-15
3.3.1 To connect to the FX3S/FX3G/FX3U Series PLC .......................................................................L-15
3.3.2 To connect to the FX3GC/FX3UC Series PLC ............................................................................L-15
3.4 Selection of the Thermocouple ..................................................................................................L-16
3.4.1 Thermocouple type.....................................................................................................................L-16
3.4.2 Compensating lead wire .............................................................................................................L-16
3.5 Wiring of Thermocouple ............................................................................................................. L-16
3.5.1 Wiring of thermocouple type K ...................................................................................................L-16
3.5.2 Wiring of the thermocouple type J..............................................................................................L-17
3.6 Caution Regarding Wiring..........................................................................................................L-17
3.7 Grounding ..................................................................................................................................L-17
4. Programming L-18
4.1 Loading of A/D Conversion Data................................................................................................L-18
4.2 List of Special Devices ............................................................................................................... L-19
4.3 Selection of Temperature Unit ...................................................................................................L-21
4.4 Selection of Type K or J............................................................................................................. L-22
4.5 Temperature Measurement........................................................................................................L-23
4.6 Averaging Time .......................................................................................................................... L-24
4.7 Error Status ................................................................................................................................ L-25
4.8 Model Code................................................................................................................................L-27
4.9 Basic Program Example............................................................................................................. L-28
5. Troubleshooting L-30
5.1 PLC Version Number Check ...................................................................................................... L-30
5.2 Wiring Check..............................................................................................................................L-30
5.3 Special Device Check ................................................................................................................ L-30
5.4 Program Check ..........................................................................................................................L-31
5.5 Error Status Check.....................................................................................................................L-31