The Receive Area And The Received Data List - Mitsubishi QJ71C24/-R2 User Manual

6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL

6.1.2 The receive area and the received data list

CH1
address
600
H
601
H
to
7FF
H
(Default)
6 - 6
The following shows the list of the receive area and the receive data for performing
data reception using the non procedure protocol.
(1) Receive area
The receive area is a memory area for storing the data received from the external
device and the receive data count in order to read the receive data for the PLC
CPU. By default, the receive area is assigned to addresses 600
side) and A00 to BFF
H
Buffer memory
Receive data count storage area
Receive data storage area
(CH2 side).
H
The receive data count units (word/byte) are up to the value
•
set to GX Configurator-SC word/byte units designation.
Writes the receive data storage count when the PLC CPU
•
is requested to read the receive data.
•
Stores the arbitrary data area of the receive data.
MELSEC-Q
to 7FF (CH1
H H
6 - 6