Data Link Instructions - Mitsubishi Electric Melsec Q Series User Manual

4 WHEN THE Q/LCPU ACCESSES THE PROGRAMMABLE CONTROLLER
OF ANOTHER STATION USING THE DATA LINK INSTRUCTION

4.4 Data Link Instructions

Details
Instruction
Data is sent (SEND) and received (RECV)
between the Q/L/QnACPU stations.
Programmable Ethernet module/
controller CPU N/W module
channel 1
channel 2
SEND
channel 3
channel 4
channel 5
channel 6
channel 7
channel 8
SEND
See Section 4.5.1, 4.5.2.
RECV
RECVS
Reads data from another station's word
2
device. (With SREAD, the completion
device on the target station can be turned
on.)
Programmable Ethernet module/
controller CPU N/W module
Channel 1
READ
Channel 2
Channel 3
Channel 4
Word device Channel 5
READ
2594 Channel 6
Channel 7
SREAD
Channel 8
1 The instruction cannot be used when the source or target station is a safety CPU.
2 Up to the channel 2 can be used in the CC-Link IE Field Network.
3 The following interface boards for a personal computer with the SEND/RECV function are accessible:
• CC-Link IE Controller Network interface board
• CC-Link IE Field Network interface board
• MELSECNET/H board
• MELSECNET/10 board
4 - 8
This section explains the overview of the data send/receive in each data link instruction
when accessing via Ethernet Module.
Channels 1 to 8 of the Ethernet module and network module in the figure of the following
table are the OS areas that store send/receive data with each data link instruction.
Instruction execution
station (Local station)
Ethernet
1 2
Ethernet module
MELSECNET/H, MELSECNET/10
Ethernet module/ Programmable
Control station
N/W module controller CPU
Normal station
channel 1
channel 2
Remote master station
RECV
channel 3
(RECVS)
channel 4
Multiple remote master station
channel 5
Parallel remote master station
channel 6
channel 7
Multiple remote submaster station
channel 8
Parallel remote submaster station
CC-Link IE Controller Network
Control station
Normal station
Control station (extended mode)
Normal station (extended mode)
CC-Link IE Field Network
Master station
Local station
Submaster station
Ethernet
Ethernet module
Ethernet
Ethernet module
MELSECNET/H, MELSECNET/10
Control station
Normal station
Ethernet module/ Programmable Remote master station
N/W module controller CPU
Multiple remote master station
Word device
Parallel remote master station
2594 Multiple remote submaster station
Parallel remote submaster station
CC-Link IE Controller Network
Control station
See Section 4.6.
Normal station
Control station (extended mode)
Normal station (extended mode)
CC-Link IE Field Network
Master station
Local station
Submaster station
Station type
Ethernet
Ethernet module
MELSECNET/H, MELSECNET/10
Control station
Normal station
Remote master station
Multiple remote master station
Parallel remote master station
Multiple remote submaster station
Parallel remote submaster station
CC-Link IE Controller Network
Control station
Normal station
Control station (extended mode)
Normal station (extended mode)
CC-Link IE Field Network
Master station
Local station
Submaster station
Ethernet
Ethernet module
Ethernet
Ethernet module
MELSECNET/H, MELSECNET/10
Control station
Normal station
Remote master station
Multiple remote master station
Parallel remote master station
Multiple remote submaster station
Parallel remote submaster station
CC-Link IE Controller Network
Control station
Normal station
Control station (extended mode)
Normal station (extended mode)
CC-Link IE Field Network
Master station
Local station
Intelligent device station
Submaster station
MELSEC-Q/L
Target station
Station type Target station type
• QCPU
• QnACPU
• LCPU
• Interface board for
a personal
computer
• QCPU
• LCPU
• QCPU
• QnACPU
• LCPU
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