
Service manual CS3000
Chapter 3: Loop processor board SPK-2 3-2
The circuit boards of the central unit
Document no.:
S-4-007.875/E
Prepared:
1995-03-17 Fia
Revision:
R4 2004-03-15 BM
© 2002, Consilium Marine AB
Fuse
The battery voltage is fused. If the fuse is blown a signal is activated in the back
plane. The fuse is accessible on the front panel of the board, and can be used for
disconnecting the power.
Fuse ratings:
Model 1 & 2:
1 AT
5x20 mm
Model 3:
1.6 AT
5x20 mm
Setting the address
The address of loop #1 of the board is set with a DIP-switch (SW1), with 8
switches. Bit #1 is set with SW1-1, and bit #8 with SW1-8. The address of loop #2
is automatically set by the system to the next consecutive value.
Set the address of each SPK-2 according to the definition in the Definition
program.
Restarting the board
Remove the fuse from the board to disconnect the power. When the fuse is put back
on, the board is restarted.
Replacing the board
To replace the SPK-2 follow these steps:
1.
Disconnect the power by removing the fuse.
WARNING!
The power must be disconnected before the board is removed.
2.
Remove the board and replace it with the new board.