< 1-channel

< 1 digital output, 2 digital inputs

< Mounting in Zone 2, Class I/Div.2 or in the safe area

< Inputs and output Ex ia

< Line fault detection switched on and off

< Positive or negative logic selectable

< Simulation mode for service operations (forcing)

< Permanently self-monitoring

< Output with watchdog

< Output with bus-independent safety shutdown