LB3006A. Occupied slots. 4-channel. Power supply for 2-wire transmitters with 4 mA ... 20 mA. 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. Output with bus-independent safety shutdown