Omron 3G3MV-PDRT2 User Manual page 244

Communications Programs (CS-series PLCs)
Timing Chart
■
001000
(Program Start Input Bit)
001001
(Start Switch ON)
000000
(Message Execution Flag)
003000
(Sending Message Flag)
003001
(Message Sent Flag)
CMND instruction execution
000001
(CMND Write Completed Flag)
000002 (Response Flag)
Message Communications
Enabled Flag
Completion code error
D00100
(Completion code storage)
■ Operation
1.When the Program Start Input Bit is turned ON, the Message Execution Flag will turn ON, and the
command specified in the DM Area will be sent using the CMND instruction.
2.When the Message Communications Enabled Flag is turned ON, the completion code (D03001)
is examined. If an error is found, the completion code is stored in D00100, and the command is
re-executed.
3.If the completion code of the response is normal, the Message Sent Flag will be turned ON, and
the Sending Message Flag will be turned OFF.
Network Configuration
■
This program is based on the following conditions.
Master unit number: 0
Master node address: 63
Fixed allocation area setting: 1
Network Communications Enabled Flag: A20200
Online Flag: 151100
Network Communications Error Flag: A21900
9-10
1
Completion code
2
Chapter 9
3