7.2 Wiring inside and outside the panel
7.2.1Wiring inside
Run power lines, servo amplifier drive wires, and communication cables so that they do not cross each other. Noise interference that is generated by cables that cross each other may cause malfunctions.
Surge suppressors are an effective way to filter out surge noise that is generated from no fuse breakers (NFB), electromagnetic contactors (MC), relays (RA), solenoid valves, and induction motors.
For surge killers, refer to the section to follow.
7.2.3 Attaching surge killers to control equipment
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| Uncrossed power lines and |
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| Crossing power lines and communication cables | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| communication cables |
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Power |
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| Power |
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cable | NFB |
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| PLC |
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| GOT connection cable | cable | NFB |
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| PLC I/O wire |
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| PLC I/O wire |
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| MC |
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| MC |
| RA |
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| RA |
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| MC |
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| MC |
| RA |
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| Drive control wire |
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| Drive control wire |
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| Terminal block |
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| Terminal block |
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7.2.2Outside the panel
To pull the power line and communication cable out of the panel, make two pullout holes away from each other and pull the cables through.
Putting both cables through the same pullout hole will increase noise interference.
Power line |
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| Power line | Connection |
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Connection |
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cable |
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Pullout hole | Pullout hole |
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Keep the power line and communication cable inside the duct at least 100mm away from each other. If that is not possible, the use of a metal separator inside the duct can reduce noise interference.
Power line | Wiring duct Separator |
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100mm or more
Signal line Power line | Signal line |
1
OVERVIEW
2
CONFIGURATION
SYSTEM
3
SPECIFICATIONS
4
PARTS NAME
5
EMC DIRECTIVE
STANDARDS AND
UL, cUL
6
INSTALLATION
7
WIRING 8
OPTION
7. WIRING | 7 - 5 |
7.2 Wiring inside and outside the panel