3 Installation and Wiring
3 - 20
NA-series Programmable Terminal Hardware(-V1) User’s Manual (V125)
2. Functional ground
For the grounding wiring, refer to 3. Grounding Wiring on page 3-20.
• Applicable Wire
• Screw Tightening Torque
0.5 to 0.6 N·m
• Power Supply Connector
3. Grounding Wiring
Size Conductor cross-section
AWG #12 to 22
0.35 to 3.31 mm
2
Pin No. Signal name Name
1 +24 V +24-V input
20 V0 V
3 FG Functional ground
24VDC
9
1
2 3
4
5
2. Functional ground cable
4. Equipotential bonding rail
3. Protective earth cable
5. D class grounding with ground resistance
of 100 Ω or less
1. Control cabinet
To Next Page
Loading...
