Omron NYP25-*-11 SERIES User Manual page 142

5 Installation
• Power lines and signal lines
• Input signals and output signals
• Analog signals and digital signals
• High-level signals and low-level signals
• Communications lines and power lines
• DC signals and AC signals
• High-frequency devices (such as Inverters) and signal lines (communications)
 (Routing of) Wiring
Observe the following points when wiring power supply and signal cables.
• When routing signal cables with differing characteristics through the same duct, always keep
them separated.
• As much as possible, avoid routing multiple power supply lines through the same duct. If it can-
not be avoided, then construct a partition between them in the duct and ground the partition.
Signal
cables
(group A)
Signal cables
Power supply cables
Partitioning Methods for Signal and Power Supply Cables
• To avoid overheating the conduits when using conduits for wiring, do not place wires for a single
circuit in separate conduits.
Power supply
Power supply
Power supply
Parallel Wiring (Single Phase)
5 - 22
Signal Signal
cables cables
(group B) (group C) Signal cables
(a)
(c)
NG
Conduits
Load
Incorrect
Conduits
OK
Load
Correct
Conduits
OK
Load
Correct
Partition
a
(b)
Signal cables
Power supply cables
(d)
NY-series Industrial Panel PC User's Manual (W555)