Schneider TBXAMS620

The TBXAMS620 is a distributed analog I/O module from Schneider TBX remote I/O series, designed for field-side signal acquisition and output in industrial automation systems. This TBXAMS620 features 6 analog input channels and 2 analog output channels, supporting standard 4-20mA and ±10V signal types for transmitters, valves and process instruments. The TBXAMS620 adopts compact field-mounted housing with high IP protection grade, suitable for direct installation near sensors and actuators instead of inside central control cabinets.

This TBXAMS620 communicates with Modicon Premium PLC via TBX fieldbus, reducing long-distance analog wiring and lowering signal interference risks. The TBXAMS620 supports channel-level fault diagnosis, which detects open circuit, short circuit and signal out-of-range conditions for quick troubleshooting. It is widely paired with other TBX digital and analog modules to build decentralized I/O networks for water treatment, chemical, packaging and material handling process lines. Maintenance technicians select this TBXAMS620 as direct replacement spare part for existing TBX remote I/O stations.

The TBXAMS620 is a legacy discontinued product of Schneider TBX platform. Available TBXAMS620 units on the market are mostly surplus or refurbished stock for retrofit and emergency repair of old Premium PLC control systems. Its rugged field enclosure can withstand dust, moisture and vibration in typical factory environments.