Toshiba nv Series - 8.2 Periodic Inspections

Chapter 3 Installation and Wiring
6F8C1497
80
(2) Ground wiring between bases
Figure 3-4 Ground wiring between bases
• Connect the power supply module's FG terminal to the base mounting screw, then
wire with a wire of 2mm
2
or larger to the ground bar in the panel in the shortest
distance.
• The grounding shall be dedicated for the control device and separated from the
high-current circuit ground wires and shall be Class D.
Power
supply
FG
Basic unit
Ground bar in the panel
Class D ground dedicated for control device
FG
Expansion unit
Controller unit
FG
Expansion unit
Power
supply
Power
supply
FG
I/O unit
Power
supply
FG
FG
I/O unit
FG
I/O unit
Basic unit
Ground bar in the panel
Class D ground dedicated for control device
Controller unit