Specifications

Hardware Description of Coprocessor – WSI2 Board Description
40 Application ModuleX Service 12/01
Honeywell
Calender clock
battery
The coprocessor contains a time of day clock circuit which has a battery
backup. The clock circuits are maintained by this battery whenever node
power is removed.
This battery has a very long life (years), but it will eventually have to be
replaced.
Note the location of this battery on the coprocessor daughter board
shown in the diagram below. It is a separately listed item in the parts
list.
Coprocessor
battery location
The following diagram illustrates the location of the coprocessor
battery. It may not be as clearly visible as shown here because an
additional memory board may be installed on your coprocessor. The
battery will be covered by the additional memory board, if it exists, it
must be removed to change the battery.
51162
Coprocessor
Battery
WSI2
Board
Assembly