2.4 Communications with MP-series Controllers
Using the MSG-SNDE Function with the MP3000 as the Master
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Using the MSG-SNDE Function with the MP3000 as the Master
In I/O message communications, operations can be performed only on hold registers (M registers). No
other register types are supported. Additionally, this protocol supports communications with only one
slave.
To communicate with two or more slaves, you must use the MSG-SNDE function. You can use the MSG-
SNDE function together with I/O message communications by maintaining a separate connection.
This section describes how to communicate with an MP2300-series Controller by using the MSG-SNDE
function.
MP2300MP3000
218IFD
EthernetEthernet
DC24V
DC 0V
MP2300
YASKAWA
TEST
RDY
ALM
TX
RUN
ERR
BAT
MON
CNFG
INT
SUP
STOP
SW1
OFF ON
BATTERY
CPU I/O
218IF-01
ERR
COL
RX
RUN
STRX
TX
INIT
TEST
ONOFF
PORT
10Base-T
MP3000
(local station)
MP2300
(remote station)
Master
Slave
Communications Protocol
Extended MEMOBUS protocol
Connect Type
TCP or UDP
Data Code Binary or ASCII
MSG-SNDE function
(ladder application)
MSG-RCV function
(ladder application)
218IF-01
Optional
Module
Extended MEMOBUS protocol