4. Installation
4-7 Connecting the power and signal cables
60 / 168
5 Attach cable glands or conduits to the connectors on the
main unit.
Use appropriate cable glands or conduits to suit the purpose
and type of the cable.
6 Pull out the terminal plates from the terminal plate board.
7 Connect the power and signal cables to the power and
signal terminal plate.
Connect the cables to the following terminals on the power
and signal terminal plate. For more information on the
contact cable connections, refer to ‘4-9 Alarm relay setting
(option)’. For information on connecting cables to the
terminal plate, refer to ‘4-7-5 Connecting cables to the
terminal plate’.
<Using 3-core cable>
Terminal
No.
Power/signal cable connection
1
Power supply (+)
2
Common (power supply (−), signal (−))
3
Signal (+)
<Using 4-core cable>
Terminal
No.
Power/signal cable connection
1
Power supply (+)
2
Power supply (−)
3
Signal (+)
4
Signal (−)
Recommended insulation length: 40 - 50 mm
When connecting cables, connect the cable shielding to the
terminals at the top left or top right on the inside of the main
unit.
Depending on the installation location, noise interference may
result. If this happens, remove the shielding.
8 Connect the required number of contact cables to the
contact output terminal plates.
For information on connecting cables to the terminal plate, refer
to ‘4-7-5 Connecting cables to the terminal plate’.
*No contact output terminal plate is present with the no contact output option.
Sheathing
Conductor
Insulation
Cable gland
Cable gland
Power and signal
terminal plate
Contact output terminal plates
(The numbers are
terminal numbers.)
1
2
3
4
1
2
3
4
Crimping terminal
Summary of Contents for GD-3EC
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