LB5004A. Occupied slots. 4 channels. Converter for 2-, 3- and 4-wire RTDs (Pt100 ... Pt1000), slide wire sensors etc.. Installation in Zone 2 or safe area. Simulation mode for service operations (forcing). Line fault detection (LFD). Permanently self-monitoring. Module can be exchanged under voltage. Line fault detection (LFD): one LED per channel. Permanently self-monitoring. Output with bus-independent safety shutdown