Omron CS1W-DRM21, CJ1W-DRM21 Refer to 4-1 Master Remote I/O Communications for details

DeviceNet Unit Features Section 1-2

Multiple PCs in a Single Multiple DeviceNet Units can be connected in a single network for message

Networkcommunications between PCs as well as for remote I/O communications between PCs and slaves in multiple groups. This feature allows a DeviceNet to be used as a common bus that can integrate all types of control with less wiring.

CS/CJ-series DeviceNet Unit		CS/CJ-series
(Master)		DeviceNet Unit (Master)
Master PC	CS/CJ-series	Master PC
	DeviceNet Unit
	(Slave)

DeviceNet

Slave PC

Remote I/O

Remote I/O

Note Refer to 4-1 Master Remote I/O Communications for details.

Multiple DeviceNet Units Up to 16 CS/CJ-series DeviceNet Units can be mounted to a single PC. This

on a Single PCfeature enables greater DeviceNet remote I/O control capacity and ensures that DeviceNet can easily handle line expansion as well as other applications.

CS/CJ-series DeviceNet Unit

(master) (See note 1.)CS/CJ-series DeviceNet Unit (master)

	DeviceNet	DeviceNet		CS/CJ-series DeviceNet Unit
				(slave) (See note 2.)
				CS/CJ-series DeviceNet Unit
				(master) (See note 1.)
DeviceNet
			DeviceNet

DeviceNet

Note 1. Multiple Units can be mounted without the Configurator.

2.DeviceNet Units set as both slaves and/or masters can be mounted at the same time.

3.Refer to 4-1 Master Remote I/O Communications for details.

DeviceNet Unit Setup Files Setup data (e.g., scan lists) in a DeviceNet Unit can be written as a file to the

(Memory Card Backup) Memory Card mounted in a CPU Unit. This feature greatly simplifies DeviceNet Unit replacement. A DeviceNet Unit device parameter file (same as data setup file) that is prepared offline using the Configurator can be saved on a Memory Card, and setup data from the Memory Card can be downloaded to

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