Siemens S7-1200 System Manual page 921

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Table A- 166 Wiring diagrams for the thermocouple SMs

SM 1231 AI 4 x TC 16 bit (6ES7 231-5QD32-0XB0)

Note: Connectors must be gold. See Appendix C, Spare Parts for order number.

TC 2, 3, 4, and 5 not shown connected for clarity.

Table A- 167 Connector pin locations for SM 1231 AI 4 x TC 16 bit (6ES7 231-5QD32-0XB0)

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG

A.9 Thermocouple and RTD signal modules (SMs)

SM 1231 AI 8 x TC bit (6ES7 231-5QF32-0XB0)

No connection

Technical specifications