Supply Original Siemens 6ES7531-7NF10-0AB0 SM531 AI8×U/I HF High Precision Differential Analog Input Expansion Module For S7-1500 PLC
We supply brand new original Siemens 6ES7531-7NF10-0AB0 SM531 high precision HF analog input module for SIMATIC S7-1500 PLC rack mounting.
Core Spec:
8 differential input channels, support ±10V voltage, 0~20mA / 4~20mA current signal; up to 24-bit conversion resolution, measuring accuracy ±0.1%, outstanding anti-interference for long-distance field wiring.
Full channel open/short/overrange diagnosis plus hardware interrupt alarm, support substitute value setting at CPU STOP status.
Shield accessories & feed elements included; push-in/screw front connector purchased separately. Module width 35mm, IP20 protection, DIN backplane installation.
Wide usage for pressure, flow, liquid level high-precision signal sampling in chemical, metallurgy, water treatment, precision machinery automation. Original sealed package with 12-month official warranty, support bulk order and global delivery.