Omron CQM1H-CLK21 - Manual (Page 139)

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Setting Data Links Section 5-2
First data link sta-
tus word Set the first word to store data link status. An area of 16 words is
used.
CIO Area: CIO 001 to CIO 6128 (*1)
LR Area: LR 00 to LR 184 (*2)
DM Area: DM 0000 to DM 32752
EM Area: Banks 00 to 12, EM 0000 to EM 32752
*1: When IR 000 is specified or when the default setting ( –––– )
is left unchanged, the default first status word will be used.
Refer to 5-4 Checking Data Link Status for details.
*2: When a word between LR 000 and LR 184 is specified, the
data link area will be allocated between CIO 1000 and
CIO 1184.
Area 1 Data link
start word CIO Area: CIO 000 to CIO 6143
LR Area: LR 00 to LR 199 (*)
DM Area: DM 0000 to DM 32767
EM Area: Banks 00 to 12, EM 0000 to EM 32767
Unit Ver. 1.2 or later: The same memory areas can be set for
both Area 1 and Area 2.
*: When a word between LR 000 and LR 199 is specified, the
data link area will be allocated between CIO 1000 and
CIO 1199.
Number of
words Remote nodes: 0 to the number of source words
Set the number of words to be received.
Local node: 0 to 1,000
Set the number of words to be transmitted.
The total number of words in area 1 and area 2 in each node
must not exceed 1,000.
The numbers of words in both area 1 and area 2 in each node
must not be set to 0.
Offset Remote nodes: 0 to one less than number of source words
Set the offset for the data to be received.
Local node: Cannot be set.
This setting is not required if an offset is not used.
Area 2 Data link
start word CIO Area: CIO 000 to CIO 6143
LR Area: L R 00 to LR 199 (*)
DM Area: DM 0000 to DM 32767
EM Area: Banks 00 to 15, EM 0000 to EM 32767
(EM must be installed)
Unit Ver. 1.2 or later: The same memory areas can be set for
both Area 1 and Area 2.
*: When a word between LR 000 and LR 199 is specified, the
data link area will be allocated between CIO 1000 and
CIO 1199.
Number of
words Remote nodes: 0 to the number of source words
Set the number of words to be received.
Local node: 0 to 1,000
Set the number of words to be transmitted.
The total number of words in area 1 and area 2 in each node
must not exceed 1,000.
The numbers of words in both area 1 and area 2 in each node
must not be set to 0.
Offset
Remote nodes: 0 to one less than number of source words
Set the offset for the data to be received.
Local node: Cannot be set.
This setting is not required if an offset is not used.
Setting item Setting range