< 4-channel
< Analog input, digital input,
analog output, digital output
< Installation in Zone 2 or safe area
< Supply circuit 21.5 V (4 mA)
< HART communication via field bus or service bus
< Simulation mode for service operations (forcing)
< Line fault detection (LFD): one LED per channel
< Permanently self-monitoring
< Module can be exchanged under voltage