Mitsubishi Electric MELDAS C6 Interface Manual page 164

B con-
Signal name
tact
—
PLC MAIN SCAN TIME
[Function]
Time taken for scanning in user PLC can be monitored.
[Operation]
Scanning time for user PLC main processing is continuously updated and set.
<File register contents and time calculation>
File register F E D C B A 9
Time calculation
(Example)
F E D C B A 9
0
(Note 1) For this data, mean scanning time is about 1.8sec.
(Note 2) I/O processing time for PLC control software (PLC BASIC) is included in this data
processing time.
6. EXPLANATION OF INTERFACE SIGNALS
6.2 PLC Input Signals (Data Type: R***)
Signal
abbreviation
Upper-order data
Lower-order
data
Upper-order
× 7.1 +
data
0 0 0 0 1 1
Lower-order
data=208
Upper-order
× 7.1 +
data=6
1st system
R20
8 7 6 5 4 3 2
Lower-order data
× 7.1 (ms)
256
8 7 6 5 4 3 2
0 1 1 0 1 0 0
× 7.1 (ms)
256
6-2-4
2nd system 3rd system
—
1 0
1 0
0 0
—