Omron NX1P2 series, Hardware User Manual

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5-5-5
Electrical Environment
When installing or wiring devices, make sure that there will be no danger to people and that noise will
not interfere with electrical signals.
Controller Installation Location
Install separately the Controller from high-voltage (600 V or higher) and power devices to ensure safe
operation and maintenance. Install the Controller as far away as possible in case of unavoidable cir-
cumstances.
Example of Recommended Equipment Arrangement
Control panel Control panel High-voltage
power panel
Examples of Equipment Arrangement in Panel with High-voltage Devices
Example of Poor Equipment Arrangement
Control panel Control panel High-voltage
power panel
Controller
Controller
OK
NG
Arrangement of Controller and Units
The coils and contacts in electromagnetic contacts and relays in an external circuit are sources of
noise. Do not install them close to the Controller. Locate them at least 100 mm away from the Control-
ler.
5 Installation and Wiring
5-86
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)