0 Volt measurement on the terminals of SM 1231 so AI not working. - 247121 - Industry Support Siemens
![How do you connect a sensor to the analog signal modules of the S7-1200/S7-1500 an... - ID: 40913432 - Industry Support Siemens How do you connect a sensor to the analog signal modules of the S7-1200/S7-1500 an... - ID: 40913432 - Industry Support Siemens](https://support.industry.siemens.com/cs/images/40913432/40913432_S7-1200_SM1234_4-wire_sensor_3.png)
How do you connect a sensor to the analog signal modules of the S7-1200/S7-1500 an... - ID: 40913432 - Industry Support Siemens
![Siemens Plc Simatic S7-1200 Analog Input Sm 1231 Tc Ai Thermocouples 6es7231-5qd32-0xb0 6es72315qd320xb0 6es7 231 - Instrument Parts & Accessories - AliExpress Siemens Plc Simatic S7-1200 Analog Input Sm 1231 Tc Ai Thermocouples 6es7231-5qd32-0xb0 6es72315qd320xb0 6es7 231 - Instrument Parts & Accessories - AliExpress](https://ae01.alicdn.com/kf/H009aee22d6e94d2b9431a3cd53f7afe1q/SIEMENS-PLC-SIMATIC-S7-1200-Analog-Input-SM-1231-TC-AI-Thermocouples-6ES7231-5QD32-0XB0-6ES72315QD320XB0.jpg)
Siemens Plc Simatic S7-1200 Analog Input Sm 1231 Tc Ai Thermocouples 6es7231-5qd32-0xb0 6es72315qd320xb0 6es7 231 - Instrument Parts & Accessories - AliExpress
![Siemens S7-1200 SM1234 / SM1231 analog input wiring, testing, fault finding and monitoring. English - YouTube Siemens S7-1200 SM1234 / SM1231 analog input wiring, testing, fault finding and monitoring. English - YouTube](https://i.ytimg.com/vi/iwAUiITT7_Q/maxresdefault.jpg)