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8. Input the hysteresis set command code CA00.
The input word will be set to the response CA00.
CHG
SHIFT
C
2
C
SHIFT
A
A
0
A
0
A
0
WRITE
c100 c001
CA00 CA00
9. Set 0010 to the output word.
10. When the Unit correctly receives the command, the input word will be set to
0010.
CHG
A
0
A
0
B
1
A
0
WRITE
c100 c001
0010 0010
11. After setting all the set values, set the output word to 0000 again. The scaled
conversion data 1254 will be set to the input word.
CHG
A
0
A
0
A
0
A
0
WRITE
c100 c001
0000 1254
5-6
Monitoring
The input word data is used to monitor the present scaled conversion data or
comparison result. To monitor the present scaled conversion data or compari-
son result by using a ladder program, set the mode select switch on the Pro-
gramming Console to the OPERATION MODE and then retrieve the input word
data.
Measurement Mode
The input word in measurement mode will be a binary-coded scaled conversion
data. For example, when the factory-set scaling values are used, the input word
will be set to 270F for +9999 and D8F1 (2’s complement) for –9999.
If the scaled conversion data falls beyond the
±
9999 range or if the input value
falls in the overrange zone, B000 (overflow) will be set to the input word.
If the present scaled conversion data is indefinite, BBBB will be set to the input
word.
Comparison Mode
The input word has flags for comparison results, overrange detection, and sen-
sor disconnection detection as shown below.
Sensor disconnection
Overrange
Monitoring
Section 5-6
Содержание CQM1H - 08-2005
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