Siemens SIMATIC S7-1200 System Manual page 1525

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Table A- 232 Wiring diagram for SB 1231 AI 1 x 16 bit RTD

SB 1231 AI 1 x 16 bit RTD (6ES7231-5PA30-0XB0)

Loop-back unused RTD input

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

Table A- 233 Connector pin locations for SB 1231 AI 1 x 16 bit RTD (6ES7231-5PA30-0XB0)

S7-1200 Programmable controller

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

No connection

AI 0 M+ /RTD

AI 0 M- /RTD

AI 0 I+ /RTD

AI 0 I- /RTD

Technical specifications

A.14 Analog signal boards (SBs)