SIEMENS SM 1231 8AI - PLC Analog Input Module 8 In / 0 Out
625.23 GBP
The Siemens SM 1231 8AI RTD module provides eight independent temperature inputs for an S7‑1200 PLC, using 4‑20 mA/RTD signals, powered by 24 VDC and designed for tight‑space installations.