Mitsubishi Electric MELSEC-A Series Manual page 199

5
REPLACEMENT OF THE MELSECNET/10 (REMOTE I/O NETWORK)
Instruction Name
Receive
message
RECVS
(completed in
1 scan)
Other station
ZNRD word device
read
Other station
ZNWR word device
write
RRUN Remote RUN
Execution
station
QnPH QnPRH
CPU CPU
Receives the channel data, which was sent by SEND, within an
interrupt program and reads that data to the CPU device
immediately. Processing is completed when the instruction is
executed.
CPU Network module
×
Channel 1
Channel 2
Channel 3
SEND
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
[A-compatible instruction]
Reads the CPU device data of the target station of the target network
No.
CPU Network module Network module
ZNRD
Word device
2594
[A-compatible instruction]
Writes data to the CPU device of the target station of the target
network No.
CPU Network module Network module
ZNWR
Performs "remote RUN" to the CPU module of the other station.
CPU Network module Network module
RRUN
Description
Network module
Logical channel 1 (Channel 1)
Logical channel 2 (Channel 2)
Logical channel 3 (Channel 3)
Logical channel 4 (Channel 4)
Interrupt program
Logical channel 5 (Channel 5)
Logical channel 6 (Channel 6)
I10
Logical channel 7 (Channel 7)
Logical channel 8 (Channel 8)
Word device
Channel 1
* Fixed
Word device
Channel 2
* Fixed
Channel 1
Channel 2
Channel 3
RUN
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
: Can be used, × : Cannot be used
Target station
Multiplexed Multiplexed
remote remote
master sub-master
station station
CPU
RECVS
CPU
2594
CPU
361
CPU
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