It is a data acquisition module and simultaneously an output slave module.
The instrument has an RS485serial communication interface with MODBUS-RTU communication protocol and provides up to 4 relay outputs, up to 4 configurable inputs for PTC.
NTC, Pt1000 temperature probes.
2 digital inputsare also available, and as an alternative to the inputs for the Pr3 and Pr4 temperature probes, another 2 digital inputs can be configured.