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Cqm1h-series plcs, Ar area – Omron CQM1H-CLK21 User Manual

Page 384

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361

Memory Areas

Appendix B

Parameters for Automatically Setting Data Links: DM 2000 + 100

×

(Unit No.) + 1 to + 9 (See

page 147.)

CQM1H-series PLCs

AR Area

Data Link Start Bit: AR 07 (See page 113.)

Number of send words per node of area 1 (BCD)

Rightmost 4 digits of data link start word of area 2 (BCD)

Leftmost digit of data link start word
of area 2 (BCD)

First data link status word (BCD)

15

8

7

0

15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

16 15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

+1

+2

+3

+4

+5

+6

+8

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

+9

+7

Area 2 type

Number of send words per node of area 2 (BCD)

Area 1 data link start word (BCD)

Area 1 type

BCD: Set the value as binary-coded decimal.

Nodes to participate in the data links

The numbers indicate node numbers.
The value assigned indicates whether the
node is to participate in the data links.
Participate: 1
Not participate: 0

Word

Bits

Name

Contents

AR 00

11

Communications Unit Error Flag

Turns ON when an error occurs in a Communications Unit.

AR 01

11

Communications Unit Restart Bit

Turn ON this bit to restart the Communications Unit.

AR 02

00 to 07

Response code

Contains the completion code for network instructions
(SEND(90), RECV(98), or CMND(

––

)).

(See page 191.)

08

Network Instruction Error Flag

0: Normal end to SEND(90), RECV(98), or CMND(

––

).

1: Abnormal end

(See page 190.)

09

Network Instruction Enable Flag

0: SEND(90), RECV(98), or CMND(

––

) execution not possi-

ble (already executing)
1: Execution possible (not executing)

(See page 190.)

15

Communications Unit Connected
Flag

Turns ON when a Communications Unit is mounted to the
PLC.

AR 03

00 to 15

Communications Unit Servicing
Time

Indicates the servicing time for the last cycle in 0.1-ms units
(4-digit BCD.)

Data link Start Bit (AR0700)
Start: Changed from OFF to ON or set to ON

when power is turned on

Stop: Changed from ON to OFF

15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

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