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19-37
IM 701210-06E
Specifications
19
Frequency Module (701280) Specifications
Item
Specifications
Standard operating
Temperature: 23
°
C
±
5
°
C
conditions
Humidity: 55%
±
10% RH
After the warm-up time of 30 minutes has elapsed
Measurement function
Frequency, RPMs, RPSs, period, duty cycle, power supply frequency, pulse width, pulse integration,
and velocity
Effective measurement
20 div (display range: 10 div)
range
Number of input channels
2
Data update rate
25 kHz (40
µ
s)
Output delay time
Up to 2 computation periods
Input format
Isolated unbalanced
Input connector
BNC connector (isolated type)
Maximum input voltage
Module only (when 1:1 cable is connected, across input terminals H and L): 42 V (DC+ACpeak)
4
Combined with the 700929 (10:1) (across the probe tips, H and L
3
):
420 V (DC+ACpeak)
2
Maximum allowable common mode voltage
Working voltage of safety standard
Module only (when 1:1 cable is connected, across input terminal L and earth)
30 Vrms (CAT I and CAT II)
5
Combined with the 700929 (10:1) (across probe tip H or L and earth)
300 Vrms (CAT I and CAT II)
3
Insulation resistance
500 VDC, 10 M
Ω
or more (across each input terminal and earth)
Minimum measurement
50 ns
resolution
Measured data resolution
16 bits (2400 LSB/div)
Measurement accuracy
1
• When in frequency, RPM, RPS, or velocity measurement mode
6
Measurement accuracy is specified according to the measurement range and input frequency
[Definition of measurement accuracy]
±
(0.05% of 10 div + accuracy dependent on the input frequency)
[Accuracy dependent on the input frequency]
When input frequency is 2 kHz or less:
0.05% of the input fre 0.001 Hz
Input frequency of 2 kHz to 10 kHz:
0.1% of the input frequency
Input frequency of 10 kHz to 20 kHz:
0.3% of the input frequency
Input frequency of 20 kHz or higher:
0.5% of the input frequency
• When in power supply frequency mode
7
When the center frequency is 50/60 Hz:
±
0.03 Hz (0.01 Hz resolution)
When the center frequency is 400 Hz:
±
0.3 Hz (0.01 Hz resolution)
(Input set to AC100V or AC200V with sine wave input)
• When in period measurement mode
6
Measurement accuracy is specified according to the measurement range and input period
[Definition of measurement accuracy]
±
(0.05% of 10 div + accuracy dependent on the input period)
[Accuracy dependent on the input period]
Input period of 500
µ
s or greater:
0.05% of the input period
Input period of 100
µ
s to 500
µ
s:
0.1% of the input period
Input period of 50
µ
s to 100
µ
s:
0.3% of the input period
Input period of 50
µ
s or less:
0.5% of the input 0.1
µ
s
• When in duty cycle measurement mode
8
Dependent on the input frequency
Input frequency of 1 kHz or less:
±
0.1%
Input frequency of 1 kHz to 10 kHz:
±
0.2%
Input frequency of 10 kHz to 50 kHz:
±
1.0%
Input frequency of 50 kHz to 100 kHz:
±
2.0%
Input frequency of 100 kHz to 200 kHz:
±
4.0%
• When in pulse width measurement mode
8
Measurement accuracy is specified according to the measurement range and input pulse width
[Definition of measurement accuracy]
±
(0.05% of 10 div + accuracy dependent on the input pulse width)
[Accuracy dependent on the input pulse width]
Input pulse width of 500
µ
s or greater:
0.05% of the input pulse width
Input pulse width of 100
µ
s to 500
µ
s:
0.1% of the input pulse width
Input pulse width of 50
µ
s to 100
µ
s:
0.3% of the input pulse width
Input pulse width of 50
µ
s or less:
0.5% of the input pulse width + 0.1
µ
s
19.12 Module Specifications