Alarm and fault module (master / slave) Module suitable for the external signaling of an alarm and fault message of an RWA control panel as well as a cascading of several RWA control panels in a master / slave function. WSA 308 for WSC 308 01 and WSC 316 01 Technical features General fault: 1 potential-free changeover contact (max 60 VDC, 1A) Collective alarm: 1 changeover contact (max 60 VDC, 1A) with 3-pole connection terminal for potential-free forwarding, or as monitored 2-conductor alarm for cascading of RWA control panels. Bus fault: 2-pole connection terminal for a 2-wire BUS line for the feedback of faults in cascaded control panels to the RWA main control points of the master control unit.