Omron CJ1W-CLK21-V1, CVM1-CLK21, CS1W-RPT01, C200HW-CLK21, CQM1H-CLK21, CS1W-CLK21-V1 291

Troubleshooting Using Indicators					Section 9-1
Node Cannot Participate	The following table describes the LNK and M/A indicators when a node can-
in Data Link	not participate in the data links.
	Data link participation depends on the Controller Link Unit operating normally
	and participating in the Network. Refer to Troubleshooting with RUN, ERC,
	ERH and INS Indicators earlier in this section and check Unit operation before
	using the following table.
	Indicators			Probable cause	Probable remedy
	LNK	M/A
	Lit	---		Data link operating normally.	---
	Flashing	Lit		When manual setting is used,	Refer to 5-2-2 Manual Setting
				there is an error in the data link	and remake the data link table.
				table.
	Flashing	Not lit		When automatic setting is	Refer to 5-2-4 Automatic Set-
				used, the data link parameters	ting, reset the parameters for
				at the startup node are incor-	the startup node DM Area so
				rect for the local node (the	that the local node can partici-
				data link area is out of range	pate in the data link, and then
				for the local node.)	restart the data link.
				Automatic setting is used with	Use a Controller Link Unit that
				1:N allocations, but the device	supports automatic data link
				does not support this function.	creation with 1:N allocations.
					Refer to Automatic Setting on
					page 129 for details.
	Not lit	Lit		When manual setting is used,	Set data link tables for the
				there are no data link tables	local node.
				set for the local node.
	Not lit	Not lit		When automatic setting is	Stop the data links, remake
				used, the startup node is not	and set the parameters in the
				set to participate in the data	startup node’s DM Area, and
				links.	then restart the data link.
Data Link Cannot be	Stopping the data link depends on the Controller Link Unit operating normally
Stopped	and participating		in the Network. Read the		above explanations before
	attempting to stop operation.
Note	Stop the data link from the node at which the LNK indicator is lit (indicating
	active data links). Data links cannot be stopped from nodes which do not have
	active data links.

9-1-4 Repeater Units

PWR

T/R1

T/R2

PWR:	ON
T/R1:	SL1 com
T/R2:	SL2 com

Note Be sure to turn OFF the power to the Repeater Unit before disconnecting or reconnecting cables.

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