Omron CQM1H-CLK21 User Manual

Page 220

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197

Using the Message Service

Section 6-3

Note When using the sample program, make sure that the bits and words used in

the sample program are not the same as those in the user program or by Spe-
cial I/O Units.

@XFER(70)

#0016

LR 10

DM 0030

R

S

KEEP(11)
31002

00001

25204

31000

31003

@MOV(21)

#0010

DM 0003

31002

@MOV(21)

#9500

DM 0004

@MOV(21)

#0004

DM 0005

@RECV(98)

HR 10

LR 10

DM 0003

31002

31003

25203

Transmitted data (16 words from LR 10) moved into
words beginning at DM 0030 for storage.

0201

31002

25203

Turns ON to indicate reception error.

DIFU(13) 31003

31002

25204

Network Instruction Error Flag

Creates reset input.

* No destination network address specified
** Response required, 5 retries, direct designa-
tion, monitoring time: default

Control Data Preparation

IR 31002 remains ON while the RECV instruction is
being executed, and it turns OFF when instruction
execution has been completed.

Beginning word for
sending (by destina-
tion node) = DM5000
(05: DM designation)

Beginning Word for Indirect Sending by
Destination Node

DM 0003 0 0

1 0

16 receive words*

DM 0004 9 5

0 0

Operating level 1**

DM 0005 0 0

0 4

Node 4, Unit 0 (a PLC)

HR 10

0 5

0 0

HR 11

5 0

0 0

Data for 16 words from DM 5000 (HR10, HR11) of
the node address 4 is received in LR 10 and after.

Execution

condition

@MOV(21)

#0500

HR 10

@MOV(21)

#5000

HR 11

(Continued from the previous page)

The reception program will run when IR 000001
turns ON, provided that the Network Instruction En-
abled Flag is ON and the SEND instruction has not
been executed.

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