Mitsubishi Electric GOT2000 Series Hardware User Manual page 373

Control panel outside wiring
■Current status
Check if the power line and the communication cable are installed together.
Power line
Communication
cable
■Measure for the cables tied in a bundle
As shown in the figure below, leading the power line and communication cable separately from different places to the outside
of the control panel reduces the influence of noise from the power line.
Power line
Communication
cable
Separating the communication cable from the power line or using a separator (made of metal) in the duct, as shown below,
reduces the influence of noise.
Wiring duct
Power
line
100 mm or more
Signal
Power
wire
line
Wiring of the FG cable and power line for the GOT
■Current status
Check if the FG cable and power line of the GOT are installed together.
GOT
LG FG
Power for the
power equipment
■Measure for the cables tied in a bundle
Separating the FG cable and power line of the GOT reduces the influence of noise.
GOT
LG FG
Power for the
power equipment
Check result
□ Installed together
□ Not installed together
Effect
□ Effective
□ Ineffective
Effect
Separator
□ Effective
□ Ineffective
Communication
cable
Check result
□ Installed together
□ Not installed together
Effect
□ Effective
□ Ineffective
12 TROUBLESHOOTING
12.1 GOT Restoration Sheets
12
371