Noise Countermeasures; Connection Of Frame Ground (Fg) - Mitsubishi Electric M800VS Series Connection And Set Up Manual

M800VS/M80V Series Connection and Setup Manual
5 Installation

5.2 Noise Countermeasures

5.2 Noise Countermeasures

5.2.1 Connection of Frame Ground (FG)

The frame should basically be grounded at one ground point.
Connect the control unit and operation panel I/O unit's 0V (RG) to the FG on the +24V stabilized power supply.
Operation panel I/O unit
Short bar
AC input
Note
(1) "24VDC" represents (+) side of 24V stabilized power supply, while "0V(RG)" represents (-) side.
"FG" (Frame Ground) corresponds to the functional earth.
J070 cable
FG cable
Stabilized
power supply
Main grounding plate
for electric cabinet
Control unit
FG cable
187 IB-1501613-A