9
DEDICATED INSTRUCTIONS
9.12 J(P).ZNRD
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INDEX
(4) Program example
In this program example, when M101 turns ON, data in D250 to D254 of station No.4
(target station) are read out to D700 to D704 of station No.1 (own station).
If the target station is on a redundant system, the station numbers used for the
redundant system in this case are assumed to be No.3 and No.4.
(a) System configuration example
1) When the target station is not on a redundant system
2) When the target station is on a redundant system
Figure 9.96 System configuration example
Figure 9.97 System configuration example
CPU module
ZNRD instruction
request source
(Own station)
ZNRD instruction
request target
(Target station)
D700
D701
D702
D703
D704
D250
D251
D252
D253
D254
CC-Link IE
controller
network module
Channel 1
CPU module
CC-Link IE
controller
network module
CPU module
CC-Link IE
controller
network module
CPU module
CC-Link IE
controller
network module
Network No.1
Station No.1
Station No.2
Station No.4
Station No.3
Channel 1
CPU module
Station No.1
Station No.2
Network No.1
CPU module
Station No.3 (Standby system)
Station No.4 (Control system)
CPU module
CPU module
D700
D701
D702
D703
D704
D250
D251
D252
D253
D254
ZNRD instruction
request source
(Own station)
ZNRD instruction
request target
(Target station)
CC-Link IE
controller
network module
CC-Link IE
controller
network module
CC-Link IE
controller
network module
CC-Link IE
controller
network module
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