Omron CJ1W-CLK21-V1 Data Link Specifications, Communications error type Data link area

What Are Data Links? Section 5-1

# 1	# 2	# 3	# 4
Send data of node 1

Note The following table shows the status of the data link refresh area when a node registered in the data link table generates a communications error.

Communications error type	Data link area
A node separates from the network while	Data received immediately prior to the
a data link is running.	error continues to be refreshed in the
	data link areas of the relevant nodes.
A node does not join the network after the	Zero (0) data continues to be refreshed in
data links start.	the data link areas of the relevant nodes.

5-1-1 Data Link Specifications

Item		Description
No. of data link	32 max., 2 min.
nodes
Number of data	Number of send/receive words per node (total of area 1 and
link words	area 2):
	CS/CJ Series:	12,000 max. (pre-Ver. 1.2)
		20,000 max. (unit Ver. 1.2 or later)
	C200HX/HG/HE, CVM1, CV, CQM1H:
		Up to 8,000
	IBM PC/AT or compatible: Manual setting: Up to 32,000
		Automatic setting: Up to 8,000
	Number of send words per node
	(total of area 1 and area 2): Up to 1,000
Allocation of data	Manual setting	Area 1, 2: Bit-access area (IR, CIO, and LR
link areas		Areas)
		DM Area (DM and EM Areas)
		Unit Ver. 1.2 or later: Area 1 and Area 2 can be
		set in the same memory area.
		Pre-Ver. 1.2: Area 1 and Area 2 cannot be set
		in the same memory area.
	Automatic set-	Area 1: IR, CIO, or LR Area
	ting equality	Area 2: DM Area (DM and EM Areas)
	layout
	Automatic set-	Area 1, 2: Bit-access area (IR, CIO, and LR
	ting	Areas)
	1:N allocations	DM Area (DM and EM Areas)

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