Functional Comparisons Of Data Modules - Mitsubishi Electric MELSEC-A0J2H Series Handbook

8
REPLACING THE COMMUNICATION MODULES

8.3 Functional Comparisons of Data Modules

Item
Dedicated
Device memory
protocol
read, write
communication
Data transmission
programmable
controllerdevice
on other end
Nonprocedural
communication
Data reception
programmable
controllerdevice
on other end
DTR/DSR control
Transmission
control
DC code control
Descriptions
A0J2-C214S1 QJ71C24N-R2
QJ71C24N-R4
Allows the device on the other end to read and write
programmable controller CPU data.
Transmits data from device on other end to
programmable controller CPU.
Receives transmitted data from device on other end.
Controls data transmission/reception with device on
other end via RS-232 control signal.
Transmits and receives DC code (including Xon/Xoff)
and controls data transmission/reception with device on
other end.
: Compatible,
QJ71C24N Compat-
ibility
The usable commands,
accessible device range, and
access to other stations are
restricted. This may require
program changes of the
device on the other end.
Dedicated instruction
Change to a sequence
program that uses
(OUTPUT/INPUT).
: Partially changed, × : Incompatible
Precautions for Reference
replacement sections
Section 8.6
8
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