Siemens SIMATIC S7-1200 System Manual page 1461

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SM 1231 wiring current transducers

Wiring current transducers are available as 2-wire transducers and 4-wire transducers as

shown below.

Table A- 140 Wiring diagrams for the analog input SMs

SM 1231 AI 4 x 13 bit (6ES7231-4HD32-0XB0)

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

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK

A.10 Analog signal modules (SMs)

SM 1231 AI 8 x 13 bit (6ES7231-4HF32-0XB0)

Technical specifications