Controller Link Units Operation Manual
196
Using the Message Service Section 6-3
C200HX/HG/HE PLCs
DIFU(13) 31001
31000 25204
@XFER(70)
 #0010
 000
 DM 0010
@MOV(21)
 #000A
 DM 0000
31000
R
S
KEEP(11) 
31000
00000 25204
31002
31001
@MOV(21)
 #9500
 DM 0001
@MOV(21)
 #0003
 DM 0002
@SEND(90)
 DM 0010
 DM 0020
 DM 0000
00200
31000 25203
Control Data Preparation
Turns ON to indicate transmission error.
DM 0000  0 0  0 A  10 send words*
DM 0001  9 5  0 0  Operating level 1**
DM 0002  0 0  0 3  Node 3, Unit 0 (a PLC)
Transfers the 10 words beginning at IR 000 to the 10 
words beginning at DM 0010.
Transfers the 10 words beginning at DM 0010 of the 
source node to the words beginning with DM 4000 
(specified by DM 0020 and DM0021) at node address 3.
Creates reset input.
* No destination network address specified
** Response required, 5 retries, direct designa-
tion, monitoring time: default 
IR 31000 remains ON while the SEND instruction is 
being executed, and it turns OFF when instruction 
execution has been completed.
Beginning Word for Indirect Receiving by 
Destination Node
DM 0020  0 5  0 0
DM 0021  4 0  0 0
Beginning word for 
receiving (by destina-
tion node) = DM4000 
(05: DM designation)
Execution 
condition
@MOV(21)
 #0500
 DM 0020
@MOV(21)
 #4000
 DM 0021
Network Instruction Error Flag
(Continued on the next page)
The transmission program will run when IR 00000 
turns ON, provided that the Network Instruction En-
abled Flag is ON and the RECV instruction has not 
been executed.










