FC-BKMM-0001 | Honeywell Battery and Key Switch Module

The Battery and Key switch Module (BKM-0001) is located in the Controllerchassis (see section “CPCHAS-0001” on page 87 or “CPCHAS-0001” onpage 87 or “CPCHAS-0002” on page 116).There is only one BKM-0001, even in a redundant Controller chassis.The BKM-0001 contains the following items:• Two batteries (one for each Control Processor)• Force Enable key switch• Reset key switch• Three (24 Vdc) general purpose inputs (IN1, IN2, IN3) located on theController backplane, see “Controller backplane CPB-0001” on page 91).The BKM-0001 module may be placed or removed in a running system. Theapplication program will not be interrupted by these actions.