Arrangement And Contents Of The Transmission Area And The Transmission Data - Mitsubishi QJ71C24N 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)
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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 programmable controller CPU to the external device
via the Q series C24. By default, the transmission area is assigned to addresses
400 to 5FF (CH1 side) and 800
H H
Transmission data count
Transmission data
to 9FF (CH2 side).
H H
The unit of transmission data count (words/bytes)
•
is in accordance with the word/byte units
designation in QSCU.
The transmission data count designated with the
•
OUTPUT instruction is written.
• The transmission data designated with the OUTPUT
instruction is written.
MELSEC-Q
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