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Omron CQM1H-CLK21 User Manual

Page 139

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116

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

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