Function Of The Pre-Defined Protocol; Data Communication Procedure - Mitsubishi QJ71C24N User Manual

Melsec-q series
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8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL

8.1 Function of the Pre-Defined Protocol

Function
Data communication with
external device

8.1.1 Data communication procedure

Step 1: Register the protocol of the external device.
Step 2: Specify the send or receive data storage area.
Specify the send or receive
data storage area.
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The function of the pre-defined protocol is shown below.
Data can be sent and received using the protocol of the
external device.
By the following procedure taken in GX Configurator-SC (Pre-defined protocol function),
data can be exchanged with an external device.
(To the next page)
Description
In the "Add protocol" dialog box, select
"Select from pre-defined protocol library"
or "Add editable protocol", and set
necessary data.
Specify the send or receive data storage
area.
Device or buffer memory data can be
taken into communication packets, and
thereby this protocol communication is
suitable for data that may change every
transmission.
MELSEC-Q
Reference
Operating Manual
(Pre-defined protocol
support function)
8 - 3

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