Arrangement And Contents Of The Transmission Area And The Transmission Data - Mitsubishi QJ71C24/-R2 User Manual

6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL

6.2.2 Arrangement and contents of the transmission area and the transmission data

CH1 side
address
Buffer memory
400
H
401
H
to
5FF
H
(Default setting)
6 - 23
This section explains the arrangement and contents of the transmission area and the
transmission data for performing data transmission using the non procedure protocol.
(1) Transmission area
The transmission area is a memory area for storing the data and the data count
that are transmitted from the PLC CPU to the external device via the Q series
C24. By default, the transmission area is assigned to addresses 400
(CH1 side) and 800
Transmission data count
storage area
Transmission data
storage area
to 9FF (CH2 side).
H H
The unit of transmission data count (words/bytes)
•
is in accordance with the word/byte units
designation in GX Configurator-SC.
• The transmission data count designated with the
OUTPUT instruction is written.
• The transmission data designated with the OUTPUT
instruction is written.
MELSEC-Q
to 5FF
H H
6 - 23