AutomationDirect Productivity2000 P2-HSI Manual - Page 5
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Frequency Measurements
Inaccuracy of Frequency Measurements Due to Time Base Errors
25 MHz Crystal for Time Base
Inaccuracy at 25°C, Maximum
Inaccuracy 0-60°C, Referenced to 25°C
Inaccuracy Due to Aging, Maximum
Max. Time Base Inaccuracy 0-60°C and 10 Years Operation
Resolution of Frequency Measurements for "Fast Mode"
Input Frequency
Sampling Period
1Hz to 1MHz
1000ms
10Hz to 1MHz
100Hz to 1MHz
1MHz
Module Range:
Target position range ± 2.147 billion (32-bit signed integer)
NOTE: Refer to the I/O Module Configuration Help File Topic (P212) in the
Productivity Suite Software for more information on Mode selections.
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±30 PPM
±30 PPM
±5 PPM/Year
0.01%
Resolution
±1 Hz
100ms
±10 Hz
10ms
±100 Hz
1ms
±1000 Hz
Inaccuracy of Frequency Measurements¹
Input Frequency
Step/Dir
1Hz
±0.002 Hz
10Hz
±0.009 Hz
100Hz
±0.015 Hz
1kHz
±1 Hz
10kHz
±100 Hz
100kHz
±1000 Hz
1MHz
±40000 Hz
Inaccuracy of Frequency Measurements¹
Input Frequency Sampling Period Step/Dir Quadrature 1X
1Hz
±1 Second
10Hz
±1 Second
100Hz
±1 Second
1kHz
±1 Second
10kHz
±1 Second
100kHz
±1 Second
1MHz
±1 Second
Inaccuracy of Frequency Measurements¹
Input Frequency
Step/Dir
1Hz
±1 Hz
10Hz
±1 Hz
100Hz
±1 Hz
1kHz
±1 Hz
10kHz
±100 Hz
100kHz
±1000 Hz
1MHz
±10000 Hz
1. For stable input signal at given input frequency.
2. For total measurement error add the time base error to the tabulated error.
3. Maximum sample period: 1 second.
4. Minimum sample period: 0.001 seconds.
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² for "Slow Mode"
,
Quadrature 1X
Quadrature 4X
±0.002 Hz
±0.002 Hz
±0.009 Hz
±0.009 Hz
±0.015 Hz
±0.015 Hz
±1 Hz
±1 Hz
±100 Hz
±100 Hz
±1000 Hz
±1000 Hz
±40000 Hz
±40000 Hz
² for "Fast Mode"
,
Quadrature 4X
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
²
³
⁴ for "Auto Mode"
,
,
,
Quadrature 1X
Quadrature 4X
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±1 Hz
±100 Hz
±100 Hz
±1000 Hz
±1000 Hz
±10000 Hz
±10000 Hz
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