Installation and Service manual
Compass STD 22
94
Edition: May 20, 20053646/110 --233.DOC010302
3.4.2.3 Setting the jumpers for the CAN bus
Plug B8
CAN2 bus
Plug B7
CAN1 bus
Jumper B32
(for CAN2 bus)
Jumper B31
(for CAN1 bus)
Figure 54: Jumpers B32 and B31 for CAN1 and CAN2 in the STD 22 Gyro Compass
If a compass is to be used as a terminal device in a CAN bus application, both jumpers
(B32 and B31) must be inserted. These jumpers activate the terminating resistor at the
end of each CAN bus.
Each end of the CAN busses must
be terminated with a terminating resistor.
Failure to insert jumpers (open bus) will cause sporadic error messages from the bus
concerned (see also manual 3648, Operator Unit 130--613).
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