Omron C200HW-CLK21, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, CQM1H-CLK21, CS1W-CLK21-V1 310

Status Area and Troubleshooting			Section 9-2
Bit Status and Error Processing
Data Link Status
	Bit status	Probable cause	Probable remedy
	PLC’s CPU Unit error is 1:	A fatal PLC error, non-fatal	Refer to the PLC’s opera-
	ON	PLC error, or a watchdog	tion manual and correct
		timer error has occurred.	the error. If the error occurs
			again, replace the PLC.
		The Unit is mounted to a	Refer to 1-2-4 Controller
		non-compatible PLC.	Link Unit Models and PLCs
			and mount onto the correct
			PLC.
	Communications error is 1:	The relevant node is not in	Enter the node in the Net-
	ON	the Network.	work.
		A communications error	Conduct an echoback test
		has occurred as a result of	using the Controller Link
		noise.	Support Software and if
			this does not correct the
			error, check the usage
			environment.
		A communications error	Refer to page 287 Trouble-
		has occurred.	shooting with RUN, ERC,
			ERH and INS Indicators
			and troubleshoot accord-
			ingly.
	Data link participation is 0:	The relevant node is not	Enter the relevant node in
	OFF	part of data links.	data links. If an error
			occurs, refer to page 291
			Node Cannot Participate in
			Data Link and troubleshoot
			accordingly.
		There are no active data	Activate the data links.
		links in the Network.
	Offset error is 1: ON	The offset is greater than	Check the number of send
		the number of send words	words at the relevant node,
		at the relevant node.	the number of receive
			words at the local node
			and the offset, then reset
			the data link table correctly.

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