Sales Original Siemens 6ES7331-7HF01-0AB0 SM331 8-Channel 16Bit Analog Input Expansion Module for S7-300 PLC
We supply original factory sealed Siemens 6ES7331-7HF01-0AB0, SM331 high-precision analog input module designed for S7-300 PLC system, mounted on U-type backplane to collect field analog signals.
Core Specs
- Channels: 8-channel analog input, high resolution 16-bit A/D conversion
- Signal types: DC voltage, DC 4~20mA /0~20mA current, RTD thermal resistance sensors
- Isolation: Galvanic isolation between field circuit and PLC backplane bus for anti-interference
- Mounting: DIN rail U-rack installation, IP20 protection grade, operating temperature 0~+60℃