Omron CS1W-CLK21-V1, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, C200HW-CLK21 C200HX/HG/HE PLCs, SR Area

Memory Areas Appendix B

Words N+22 through N+25 register nodes that will participate in the data links. The numbers shown in the table are the node addresses. The bit status for each node address indicates whether the node is to participate in the data links.

Participate: ON

Not participate: OFF

C200HX/HG/HE PLCs

SR Area

Communications Instruction Response Codes: SR 237 (See page 191.)

SR 237

Operating level 1 response code Operating level 0 response code

Each response code is in 2-digit hexadecimal.

Polling Node Address, Startup Node Address: SR 238, SR 242 (See page 300.)

Operating level 0	Operating level 1
SR 238	SR 242
	Polling node address	Startup node address
	Each node address is in 2-digit BCD.

Data Link Status: SR 239 to SR 241, SR 243 to SR 245 (See pages 156, 300.)

When the first data link status word for manually set data link tables or for automatically set data links is not set or is set to 0, the data link status of only node addresses 1 to 6 will be given in the following area.

Operating	Operating
level 0	level 1	Node	2	Node	1
SR 239	SR 243
SR 240	SR 244	Node	4	Node	3
SR 241	SR 245	Node	6	Node	5

						PLC status
						0: Inactive (user program not running)
						1: Active (user program running)
					PLC's CPU Unit error
					0: Normal
					1: Error
				Communications error (data link reception)
				0: Normal
				1: Error
			Data link participation
			0: Not in data link or data link inactive
			1: In data link
		Offset error					Error: Offset exceeds
		0: Normal					number of send words.
		1: Error
	Insufficient (short) receive area Insufficient: Receive
	0: Sufficient						area is smaller than
	1: Insufficient						send area. Excess data
							is truncated; other data
							is received.
Remaining receive area							Remaining: Receive area
0: Not remaining							is larger than send area.
1: Remaining							Data is received and
							remaining words are
							cleared.

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