Comparison Of Dedicated Instruction - Mitsubishi Electric MELSEC-A Series Manual

5
REPLACEMENT OF THE MELSECNET/10 (REMOTE I/O NETWORK)

5.1.7 Comparison of dedicated instruction

(1) A/AnS series
Instruction name
ZNFR instruction
ZNTO instruction
(2) QnA/QnAS series
Instruction name
ZNFR instruction
ZNTO instruction
SEND instruction
RECV instruction
READ instruction,
SREAD instruction
WRITE instruction,
SWRITE instruction
REQ instruction
ZNRD instruction
ZNWR instruction
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Description
A/AnS series
MELSECNET/10 module
Reads data from the buffer
memory of special function
module in the target remote I/O
station.
Writes data to the buffer
memory of special function
module in the target remote I/O
station.
Description
QnA/QnAS series
MELSECNET/10 module
Reads data from the buffer
memory of special function
module in the target remote I/O
station.
Writes data to the buffer
memory of special function
module in the target remote I/O
station.
Sends data to target station.
Reads data sent by SEND instruction to device of CPU module.
Reads the device data of other station.
Writes data to the device of other station.
Issues "remote RUN/STOP" and "clock data read/write"
requests to other stations.
Reads the device data of other station.
Writes data to the device of other station.
: Compatible,
Q series
MELSECNET/H module
Reads data from the buffer
memory of the intelligent
function module in the target
remote I/O station.
Writes data to the buffer
memory of the intelligent
function module in the target
remote I/O station.
: Compatible,
Q series
MELSECNET/H module
Reads data from the buffer
memory of the intelligent
function module in the target
remote I/O station.
Writes data to the buffer
memory of the intelligent
function module in the target
remote I/O station.
: Partial change required, × : Incompatible
Compat- Precautions for
ibility replacement
ZNFR instruction cannot
be used.
Change it to REMFR
instruction.
ZNTO instruction cannot
be used.
Change it to REMFR
instruction.
: Partial change required, × : Incompatible
Compat- Precautions for
ibility replacement
ZNFR instruction cannot
be used.
Change it to REMFR
instruction.
ZNTO instruction cannot
be used.
Change it to REMFR
instruction.