Maintenance
W2 LIL/Modbus Network Jumper (Rear Terminals 3 & 4)
F1
P1
Jumpers are factory set for the
circuit boards installed at time of
shipment.
Available jumpers may vary with
board version.
W4 LonWorks I/O Bus (Rear Terminals 25 & 26)
W8 Real Time Clock Battery Jumper:
1. As Shown, Shunt Installed To Enable HOT/WARM Start.
2. Place Shunt On N/C Pins When Storing Controller Or
MPU Controller Board and For Cold Start.
FIGURE 11-2 MPU Controller Board with RTC Jumper W8
11-6
C69
U11
T2
J3
J6
W8
CLK - For HOT/WARM Start
N/C - For Storage
WDT - Factory Use Only
MPU Controller Board
W8 Real Time Clock Detail
W8 Real Time Clock Jumper,
See Detail Below
W8
CLK
N/C
WDT
P4
J5
BAT1
Battery
P2
Kernel Jumper - Pads
on top and bottom
of board.
MG00188d
UM353-1
Connects To
Display
Assembly
March 2003