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.

354

Page 377
Image 377
Omron CS1W-CLK21-V1, CVM1-CLK21 C200HX/HG/HE PLCs, SR Area, Communications Instruction Response Codes SR 237 See