Simrad ES 18 - DATASHEET REV C, Руководство по установке

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46
404770/B
Splicing the cable using a junction box isolated from vessel’s
ground
Do not solder the wires together using only electrical tape for insulation. This will result
in electrical noise and reduced operational performance.
Do not connect the cable screen to vessel ground.
A The junction box is isolated
from vessel ground.
B
Cable gland
C Terminal block
D
Cable
E
Cable screen (Do not connect
the cable screen to vessel
ground.)
Procedure
1 Mount the junction box in a
suitable location.
2 Terminate the steel conduits
containing the transducer cable
as close to the junction box as
possible.
3 Make sure that the junction
box chassis is not connected
to vessel ground.
Use additional insulation if this is necessary to isolate the junction box completely.
4 Remove the insulation from the transducer cable. Connect the individual wires
to the terminal block.
5 Remove the insulation from the extension cable. Connect the individual wires
to the terminal block.
6 Make sure that you have connected the wires 1:1, and that the colours match.
7 Connect the cable screens to the cable glands in the junction box.
Related topics
Cable layout and interconnections, page 37
Simrad ES18 Installation Manual