HART Transmitter Power Supply, Input Isolator LB3005A2, Occupied slots, LB (Zone 2, Class I/Div. 2), 4-channel, Power supply for 2-wire transmitters with 4 mA ... 20 mA, Installation in Zone 2 or safe area, Supply circuit 15 V (20 mA), Input from active signals of 4-wire transmitters, HART communication via field bus or service bus, Simulation mode for service operations (forcing)