Chapter 6 Wiring; Power Supply Wiring; Grounding - Mitsubishi Electric MELSEC iQ-F Series FX5 User Manual

6
WIRING
This section explains the wiring methods, wiring parts, and wiring precautions when using the positioning module.
6.1

Power Supply Wiring

Power connector array
Power supply wiring
Positioning
module
(1) (2) (3)
24 V DC
D ground
(Ground resistance: 100  or less)

Grounding

Ground the PLC as stated below.
• Perform class D grounding. (Grounding resistance: 100 Ω or less)
• Ground the PLC independently if possible.
• If the PLC cannot be grounded independently, perform the "Shared grounding" shown below.
Other
PLC
equipment
Independent grounding
(Best condition)
• Bring the grounding point close to the PLC as much as possible so that the ground cable can be shortened.
6 WIRING
44
6.1 Power Supply Wiring
(Green)
(Black)
(Red)
Other
PLC
equipment
Shared grounding
(Good condition)
(1) Red
(2) Black
(3) Green
Other
PLC
equipment
Common grounding
(Not allowed)