Omron NX Series Hardware User Manual page 192

5 Installation and Wiring
Control panel
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.
NX-series CPU Unit
Control panel
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.
5-64
NX-series CPU Unit
Other device
NX-AUX01
Hub
Other device
NX-AUX01
Hub
NX-series NX102 CPU Unit
10 m min.
NX-series NX102 CPU Unit
NX-series NX102 CPU Unit Hardware User's Manual (W593)
A device that could
be a noise source
A device that could
be a noise source