SIMATIC S7-1200 SB 1231, AI 1×16 bit RTD
$131.74 – $146.38SB 1231 Signal Board — RTD analog input, 1 channel, 16-bit resolution.
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SB 1231 Signal Board — RTD analog input, 1 channel, 16-bit resolution.

SB 1231 Signal Board — thermocouple analog input, 1 channel, 16-bit resolution.

SB 1232 Signal Board — analog output, 1 channel, 12-bit resolution.

SIM 1274 — simulator module, 8 digital inputs.

SM 1221 — digital input expansion module, 16x24VDC.

SM 1221 — digital input expansion module, 8x24VDC.

SM 1222 — digital output expansion module, 16x relay, 2A.

SM 1222 — digital output expansion module, 8x relay, 2A, with changeover (converter) contacts.

SM 1222 — digital output expansion module, 8x relay, 2A.

SM 1223 — combined digital I/O module, 16DI / 16DO relay.

SM 1223 — combined digital I/O module, 16DI / 16DO, both 24V DC.

SM 1223 — combined digital I/O module, 8DI / 8DO relay.

SM 1223 — combined digital I/O module, 8DI / 8DO, both 24V DC.

SM 1223 — combined digital I/O module, 16DI / 16DO sink (NPN), both 24V DC.

SM 1226 — fail-safe digital input expansion module, 16x24VDC.

SM 1231 — analog input module, 4 channels, 16-bit resolution.