Got Installation Status Check Sheet - Mitsubishi Electric GOT2000 Series User Manual

10.1.2

GOT installation status check sheet

Check the current installation status of your GOT as shown in ■1. to ■7.
According to the status of the GOT found after a check, take measures described below if necessary.
If the measure is taken, mark the effect, "Effective" or "Ineffective".
Each GOT has the following ground terminals.
• GT27 (except GT2705-V), GT25 GT23: FG terminal and LG terminal
• GT2705-V, GT21
■1. Control panel inside wiring
(1) Current status
Check if power lines, such as power cables and servo amplifier driving cables, and communication cables, such as
bus connection cables (except for GT23) and network cables, are mixed in the wiring duct inside the control panel.
NFB
MC
(2) Measure for the mixed cables
Wiring the power lines and the communication cables inside the control panel without mixing them in the duct
reduces the influence of noise.
NFB
MC
■2. Control panel outside wiring
(1) Current status
Check if the power line and the communication cable are installed together.
Communication
cable
(2) 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
10 - 8
10.1 GOT Restoration Sheets
: FG terminal
MC RA RA
MC RA RA
Power line
Communication
cable
□ Mixed
□ Not mixed
□ Effective
□ Ineffective
□ Installed together
□ Not installed together
□ Effective
□ Ineffective