Mitsubishi Electric GOT2000 Series Hardware User Manual page 337

When using the external cable
Connection cable
Ground cable from
the panel that houses
control equipment
If electric potential difference between the ground points created by it causes malfunctions, lowering the voltage as shown in
Remedy 1 below may solve the problem.
■Remedy 1 (Refer to the figures Remedy 1-1 and 1-4 below.)
If the electric potential difference between the ground cable and the panel that houses the GOT is creating problems, connect
the ground cable to the panel also.
If taking Remedy 1 worsens noise interference, taking Remedy 2 may alleviate it.
When using the connector conversion box
If the wiring method as shown in Remedy 1-1 is not feasible, follow Remedy 1-2.
Connector
conversion box
Connection cable
Ground cable from
the panel that houses
control equipment
FG
Use the thickest
cable possible.
Panel grounding
Remedy1-1
When using the external cable
If the wiring method as shown in Remedy 1-3 is not feasible, follow Remedy 1-4.
Connection cable
Ground cable from
the panel that house
control equipment
Use the thickest
cable possible.
Remedy1-3
FG
Connection cable
Ground cable from
the panel that houses
control equipment
Use the thickest
cable possible.
FG
Panel grounding
Connector
conversion box
FG
Panel grounding
Remedy1-2
Connection cable
Ground cable from
the panel that house
control equipment
Use the thickest
cable possible.
Remedy1-4
9 HANDY GOT POWER WIRING AND SWITCH HANDLING
FG
Panel grounding
9.2 Power Wiring
9
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