Mitsubishi Electric QJ71C24N-R4 - The Receive Area and the Received Data List

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MELSEC-Q
6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL
6.1.2 The receive area and the received data list
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
programmable controller CPU. By default, the receive area is assigned to
addresses 600
H to 7FFH (CH1 side) and A00H to BFFH (CH2 side).
Buffer memory
Receive data count
Receive data
CH1
address
600
H
601
H
7FFH
(Default)
Writes the receive data storage count when the programmable
controller CPU is requested to read the receive data.
Stores the arbitrary data area of the receive data.
The receive data count units (word/byte) are up to the value
set to GX Configurator-SC word/byte units designation.
Receive area
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