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Figure 3-6
The automatic fuse
switch on the I/O
Terminal Main Block
turns off the power in
the I/O Unit.
G3 MaC Second edition, March 2000
3.7
Power supply in I/O Unit - service
To replace a Power Supply
1
In the Saab TankRadar I/O Unit, turn off the power by
turning the automatic fuse switch on the I/O Terminal Main
Block to the off position.
2
Disconnect all cables connected to the Power Supply (230 V,
24 V and ground cables).
Note:
Mark the cables so that you can connect them again.
3
Unscrew the Power Supply from the cabinet.
4
Bring out the replacement Power Supply.
5
Compare Voltage settings with the old Power Supply.
Note:
The 50 W PS module has no such configuration.
6
Screw the Power Supply to the cabinet.
7
Connect the cables to the Power Supply. Make sure you
connect them the same way as they were connected before.
8
Turn on the power on the I/O Terminal Main Block.
3 Equipment in the I/O Unit cabinet
15
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