
Publication 1794-6.5.11 - November 1997
A-4
Specifications
Resolution and Accuracy
±
1Hz or
±
0.1Hz (depending on frequency range bit setting), or
±
accuracy
specification listed below, whichever is greater.
Resolution percent is defined as:
Accuracy percent is defined as:
100
countfrequencyxminimumfrequencysampletime
-----------------------------------------------------------------------------------------------------------------
% resolution =
1
minimumfrequencysampletime
2
-------------------------------------------------------------------------
minimumfrequencysampletime
2
-------------------------------------------------------------------------
1
countfrequency
------------------------------------
+
---------------------------------------------------------------------------------------------------------------------
–
% resolution = 100
Minimum
Frequency
Sampling
Time in ms
Accuracy
Resolution
Sampling
Accuracy
Time Base
Accuracy
Worst Case
Total Accuracy
Deviation in Hz Due to Total Accuracy
1.0-3276.7
Frequency Range
1-32767
Frequency Range
2
±
0.02%
±
0.0225%
±
0.0425%
±
0.1-1.4Hz
±
1-14Hz
0.01%
4
±
0.01%
±
0.0225%
±
0.0325%
±
0.1-1.1Hz
±
1-11Hz
0.005%
5
±
0.008%
±
0.0225%
±
0.0305%
±
0.1-1.0Hz
±
1-10Hz
0.004%
10
±
0.004%
±
0.0225%
±
0.0265%
±
0.1-0.9Hz
±
1-9Hz
0.002%
20
±
0.002%
±
0.0225%
±
0.0245%
±
0.1-0.8Hz
±
1-8Hz
0.001%
50
±
0.0008%
±
0.0225%
±
0.0233%
±
0.1-0.8Hz
±
1-8Hz
0.0004%
100
±
0.0004%
±
0.0225%
±
0.0229%
±
0.1-0.8Hz
±
1-8Hz
0.0002%
200
±
0.0002%
±
0.0225%
±
0.0227%
±
0.1-0.7Hz
±
1-7Hz
0.0001%
500
±
0.00008%
±
0.0225%
±
0.02258%
±
0.1-0.7Hz
±
1-7Hz
0.00004%
1000
±
0.00004%
±
0.0225%
±
0.02254%
±
0.1-0.7Hz
±
1-7Hz
0.00002%
Содержание FLEX I/O 1794-IJ2
Страница 1: ...User Manual FLEX I O Frequency Input Module Cat No 1794 IJ2 Allen Bradley Allen Bradley Replacements ...
Страница 6: ...Publication 1794 6 5 11 November 1997 4 Using This Manual ...
Страница 19: ...Publication 1794 6 5 11 November 1997 1 10 Overview of the Frequency Input Module Allen Bradley Replacements ...
Страница 38: ...Publication 1794 6 5 11 November 1997 3 6 Programming Your Frequency Input Module ...
Страница 67: ...Publication 1794 6 5 11 November 1997 6 4 Troubleshoot the Frequency Input Module Allen Bradley Replacements ...