Omron NX Series - Page 196

10 m min.
Hub
NX-series CPU Unit NX-series NX502 CPU Unit
NX-AUX01Control panel Other device
A device that could
be a noise source
b. Installation method by connecting devices and noise sources to a common earth electrode
This is an earthing method to connect the device that is connected with a communications ca-
ble, other devices, and a device that could be a noise source, to a common earth electrode.
This earthing method is not recommended, because the device that is a potential noise source
may interfere electromagnetically with other devices.
Hub
NX-series CPU Unit NX-series NX502 CPU Unit
NX-AUX01Control panel Other device
A device that could
be a noise source
l
Daisy Chain
This is an earthing method to connect the device that is connected with a communications cable,
other devices, and a device that could be a noise source using a daisy-chain topology to a common
earth electrode.
This earthing method is not recommended because the device that could be a noise source may
interfere electromagnetically with other devices.
5 Installation and Wiring
5-66
NX-series NX502 CPU Unit Hardware User's Manual (W629)