Description
The FW811 input module monitors a single dry contact, and is a UL/ULCĀ listed device according to UL864 and ULCS527 for fire protective signaling systems for indoor use. The field circuit is monitored for open line faults and ground faults and the contact must be wired with an end of line resistor. The type of input contact is configurable for NO/NC operation. It can be configured for Alarm, Supervisory, Trouble and Monitor status.