Specifications

4 - 2
Dedicated Link Instruction List
: Can be used by both the control and normal stations : Cannot be used
Executing
station
Target station
Instruction Name
QCPU
Description
QCPU QnACPU AnUCPU
REQ
Transient
request to
other station
Issues the "remote RUN" and "clock data read/write" requests to other stations.
CPU
Network
module
STOP
REQ
CPU
Network
module
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
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.
SEND
RECVS
I10
Interrupt program
CPU
Network
module
Network
module
CPU
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)
ZNRD
Read word
device from
other station
(A-compatible instruction)
Reads the CPU device data from the target station having the target network
number.
CPU
Network
module
Word device
2594
ZNRD
CPU
2594
Word device
Network
module
ZNWR
Write word
device to
other station
(A-compatible instruction)
Writes data to the CPU device of the target station having the target network
number.
361
ZNWR
CPU
Network
module
CPU
Network
module
Word device