Module equipped with 2 digital inputs and 2 digital outputs. Includes also a SI module for connecting environmental sensors Deca Sensor Bus Unit Box (T, TH, TL, THL, THLB, L, B, fino a 4 T) series. Can be connected via the RS485 port to an Electrex network. For the data synchronization, log and graph display and alarm notifications must be used in an Electrex monitoring system including a gateway and datalogger (Kilo net, Exa net, Femto ECT net o Yocto net). DIN rail mount 2 modules. External power supply 24Vdc needed (we recommend to use the switching power supply cod. PFTP100-Q2).