Kentec K1822-00 Sigma A-XT Ancillary PCB
Kentec K1822-00 Sigma A-XT Ancillary PCBThe Sigma A-XT Ancillary Board is compatible with all Sigma A-XT control panels. The board provides volt-free normally open contacts enabling control of sub systems and plant remotely from the main panel over a two-wire data bus.Ancillary boards require only a two-core data cable from the main control panel and a two-core power cable from the main panel.Up to seven ancillary boards can be connected to a control panel and each is allocated to an address from one to seven using a binary coded DIL switch.The total length of the data cable from the main panel to the last repeater must not exceed 4000 feet.A mixture of status units and Ancillary boards up to a maximum of seven of each type can be connected to the serial data bus.Key FeaturesTwo-wire serial connectionUp to seven per systemVolt-free relay outputs for fire and releasing system statusRelay operated LED indicatorsUL864 and FM listed
