The SM 1231 (6ES7231‑4HF32‑0XB0) is an 8-channel analog input module for the SIMATIC S7‑1200 series, optimized for measuring voltage signals (0‑10 V or ±10 V). With high 16-bit resolution and top-tier accuracy, it excels in applications like setpoint control, pressure and flow monitoring, and energy metering. The module’s compact form factor and snap-on DIN-rail mounting make it an efficient space-saving solution in control cabinets.
Built-in diagnostics provide live insights into channel and module status, detecting overvoltage and line failures to help prevent system downtime. Engineers can configure input range, scaling, and fault thresholds effortlessly via TIA Portal, ensuring seamless integration and real-time data exchange with the CPU over PROFINET. Robust industrial-grade components and an IP20-rated design ensure reliable performance even in harsh environments.
Supplied by Scalar Automation in Kenya, this SM 1231 module offers precise voltage monitoring, rugged dependability, and streamlined engineering — ideal for machine builders, process engineers, and automation specialists seeking scalable analog expansion in modern control systems.
Product Details:
Number of Channels | 8 |
Brand | Siemens |
Usage/Application | Industrial |
Model Name/Number | 6ES7231-4HF32-0XB0 |
Dimensions W X H X D | 8,90 x 10,60 x 5,70 |
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