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6-5
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
6.2.1
Description of the Parameter Data
When you specify the number of periods, you determine the number of peri-
ods of the input signal during which the measurement is to be performed.
You can specify the number of periods for each channel separately.
Table 6-2
Setting of the number of periods
Variable:
Number of Periods
Parameter
Block
Offset
Data Type
Value Range
PeriodNumber_Chan_1
1
2.0
Byte
1 to 40
PeriodNumber_Chan_2
1
3.0
Byte
PeriodNumber_Chan_3
1
4.0
Byte
PeriodNumber_Chan_4
1
5.0
Byte
PeriodNumber_Chan_5
1
6.0
Byte
PeriodNumber_Chan_6
1
7.0
Byte
PeriodNumber_Chan_7
1
8.0
Byte
PeriodNumber_Chan_8
1
9.0
Byte
By selecting the measuring range, you can also increase the period duration
which is measured.
The parameterized measuring range applies to all channels.
Table 6-3
Setting the reference frequency
Variable:
Measuring Range
Parameter
Block
Offset
Data
Type
Value Range
F_RefFrequency
1
10.0
Byte
0h: 100 kHz (standard)
(655 msec to 1 msec)
77h: 50 kHz
(1310 msec
to 2 msec)
EFh: 25 kHz
(2620 msec
to 4 msec)
Note
A change in the F_RefFrequency parameter only takes effect with the first
parameter transfer after a warm restart (power on).
Period number
Measuring range
Period Duration Measurement Operating Mode
Summary of Contents for SIMATIC CM35
Page 1: ...SIMATIC Counter Module CM35 Manual Release 06 2000 ...
Page 9: ...vi CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Table of Contents ...
Page 10: ...1 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Product Overview 1 ...
Page 20: ...2 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Function Description 2 ...
Page 23: ...2 4 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Function Description ...
Page 47: ...3 24 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Commissioning ...
Page 48: ...4 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Data Communication with the CM35 4 ...
Page 70: ...5 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Pulse Counter Operating Mode 5 ...
Page 98: ...7 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Timer Operating Mode 7 ...
Page 112: ...8 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Positioning Operating mode 8 ...
Page 131: ...8 20 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Positioning Operating mode ...
Page 133: ...A 2 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Literature ...
Page 134: ...B 1 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 EC Declaration of Conformity B ...
Page 135: ...B 2 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 EC Declaration of Conformity ...
Page 141: ...Glossary 6 CM35 Counter Module 4 J31069 D0416 U001 A5 7618 Glossary ...