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4.
LINKING TO THE AnACPU (WITH DEDICATED INSTRUCTIONS)
AND THE AJ71 PT32-S3
MELSEC-A
Each communications area consists
of a send-data area and a
received-data area. The storage capacity of each data area at power
ON is 500 words.
Communications area
for remote terminal
module
No.
1
(FROM area)
_ _ _ _ _
_ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _
terminal
1600
Senddata
area
2099
(TO
area)
1
The send-data area is used
for setting data to be transmitted to remote
terminal modules.
The received-data area is used for storing data received from remote
terminal modules.
The capacity of the send-data and received-data areas can be changed
by the initial data setting of the master module. (Note that the total
capacity of the two areas cannot exceed
1000
words.)
Example :
Received-data area: 200 words, send-data area:
800
words
4-23
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