0 Volt measurement on the terminals of SM 1231 so AI not working. - 247121 - Industry Support Siemens
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6ES7231 6ES7 231 4HD32 0XB0 4HD30 SM1231 Siemens S7 1200|Instrument Parts & Accessories| - AliExpress
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6es7231 6es7 231-4hf32-0xb0 4hf30 Sm1231 Siemens S7-1200 Analog - Instrument Parts & Accessories - AliExpress
Siemens - PLC I/O Module for use with SIMATIC S7-1200, 100 x 45 x 75 mm, Analogue, IB IL AO 4/8/U/BP-XC-PAC, 24 V dc, - RS Components Vietnam
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