Arrangement And Contents Of The Transmission Area And The Transmission Data - Mitsubishi Melsec-L Series User Manual

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

CH1 side
address
Buffer memory
400
H
401
H
to
5FF
H
(Default)
11 - 16
This section explains the arrangement and contents of the transmission area and the
transmission data for performing data transmission using the bidirectional protocol.
For details on the contents of transmission data, refer to Section 11.1.2 (3).
(1) Transmission area
The transmission area is a memory area for storing the data and the data count
that are transmitted from the CPU module to the external device via the C24.
By default, the transmission area is assigned to addresses 400
side) and 800
H
Transmission data count
designation area
Transmission data
designation area
11 DATA COMMUNICATION USING THE BIDIRECTIONAL PROTOCOL
to 9FF (CH2 side).
H
•
The unit of transmission data count
(words/bytes) is in accordance with the
word/byte units designation in GX Works2.
Transmission data count
•
The transmission data count designated with the
BIDOUT instruction is written, and sent as the
data length.
• Transmission data
The transmission data designated with the
BIDOUT instruction is written and then sent.
to 5FF (CH1
H H
11 - 16