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APPENDICES
MELSEC-A
Intervening Times (Scan T h e Increases)
Access
Data
Unit
A2A,
A3A
FROM in-
struction
process-
i n g time
+
0.75
msec
Scan Count Re-
quired tor
Processing
A3H
FROM in-
struction
process-
i n g time
+
0.81
msec
I
I
Batch read
TR
FROM in-
struction
Special function
nodule buffer
memory
1
scan
2 scans
(1 scan when
'enable during
RUN' is set)
process-
i n g time
Batch write
Tw
+
1.13
msec
128
bytes
Batch
read
Main
I
MR
1
1.20 ms
1
scan
Sequence
program
34 steps
Batch
write
Main
I
MW
1
0.67 ms
2
scans
(1 scan when
'enable during
RUN' is set)
Sub
I
SW
1
0.67 ms
Batch
read
Main
I
UR
I
1.35 ms
Microcom-
puter pro-
gram
Main
Sub
1.53 rns
128
bytes
'10-
gram
2
scans
Batch
write
2
scans
Comment
Parameter
Batch read
Batch write
128
bytes
-
128
bytes
-
-
2
scans
Batch read
I
PR
1
0.68 ms
Analysis
request
Remote RUN
Remote STOP
PC type read
PC
GW
PC CPU
Global
APP
-
9
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