Omron CS1W-RPT01 Manuale Utente

When the data link status stored in the start word for the manual setting data
link table or automatic setting data link parameters is not set or is set to 0, the
data link status of only node addresses 1 to 6 will be displayed in the following
area.

Note Data link status is valid only when the local node is participating in the data

link. Confirm that the local node’s data links are active in the operating level
status in SR 252 before referencing the data link status.

Operating level 0 
SR 238

Operating level 1 
SR 242

Polling node address

Startup node address

Each node address is displayed in 2-digit BCD.

Operating 
level 0 
SR 239
SR 240
SR 241

Operating 
level 1 
SR 243
SR 244
SR 245

PLC status 
0:  Inactive (user program not running)
1:  Active (user program running)

Communications error (data link reception)
0:  Normal
1:  Error

PLC's CPU Unit error 
0:  Normal
1:  Error

Data link participation
0:  Not in data link or data link inactive
1:  In data link

Offset error
0:  Normal
1:  Error

Error: Offset exceeds 
number of send words.

Insufficient (short) receive area 
0:  Sufficient
1:  Insufficient

Insufficient: Receive 
area is smaller than 
send area. Excess data 
is truncated; other data 
is received.

Remaining receive area
0:   Not remaining
1:   Remaining

Remaining: Receive area 
is larger than send area. 
Data is received and 
remaining words are 
cleared.

Node   2
Node   4
Node   6

Node   1
Node   3
Node   5

Operating level 1

Operating level 0

SEND/RECV Enable Flag
0:  Disabled (operating)
1:  Enabled (not operating)
SEND/RECV Error Flag
0:  Normal completion
1:  Error

SEND/RECV Enable Flag
0:  Disabled (operating)
1:  Enabled (not operating)

1: Local node data link participating

SEND/RECV Error Flag
0:  Normal completion
1:  Error

1: Local node data link participating