REPLACEMENT OF THE MELSECNET/10 (PLC TO PLC NETWORK)
4 - 23
4
: Can be used by both the control and normal stations, × : Cannot be used
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*1 CPU modules of the following version or later when the target station is the A2UCPU(S1), A3UCPU, A4UCPU, or
A2USCPU(S1)
•
A2UCPU(S1), A3UCPU, A4UCPU: Version AY (manufactured in July 1995) or later
•
A2USCPU(S1): Version CP (manufactured in July 1995) or later
Instruction Name
Execution
station
Description
Target station
QCPU QCPU
QnA/
QnAS
CPU
AnU/
AnUS(H)
CPU
RECVS
Receive
message
(completed
in 1 scan)
Receives the channel data sent with SEND by the interrupt
program and immediately reads it to the CPU device. The
processing is completed when the instruction is executed.
×
ZNRD
Other station
word device
read
[A-compatible instruction]
Reads the CPU device data from the target station having
the target network number.
*1
AnACPU
AnNCPU
ZNWR
Other station
word device
write
[A-compatible instruction]
Writes data to the CPU device of the target station having the
target network number.
*1
AnACPU
AnNCPU
RRUN
Remote
RUN
"Remote RUN" performed for other stations' CPU modules
××
CPU CPU
SEND
RECV
S
I10
Interrupt program
Network module Network module
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Logical channel 1 (channel 1)
Logical channel 2 (channel 2)
Logical channel 3 (channel 3)
Logical channel 4 (channel 4)
Logical channel 5 (channel 5)
Logical channel 6 (channel 6)
Logical channel 7 (channel 7)
Logical channel 8 (channel 8)
CPU
Network module
CPU
2594
ZNRD
Word device
2594
Channel1
Network module
Word device
* Fixed
CPU
CPU
Word device
361ZNWR
Channel2
* Fixed
Network module
CPU CPU
RUN
RRUN
Network module
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Network module
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