Frequency Module (701281) - YOKOGAWA DL850E User Manual

6.13 Module Specifications

Frequency Module (701281)

Item
Standard operating conditions
Measurement function
Effective measurement range
Number of input channels
Data update rate
Output delay time
Input format
Input connector
Maximum input voltage
Maximum allowable common
mode voltage
Withstand voltage
Allowable transient surge voltage
(instantaneous)
Insulation resistance
Minimum measurement resolution 625 ps
Measured data resolution
Measurement accuracy
6-38
Specifications
Temperature:
Humidity:
After a 30-minute warm-up and after calibration
Frequency, RPMs, RPSs, period, duty cycle, power supply frequency, pulse width, pulse
integration, and velocity
20 div (display range: 10 div)
2
1 MHz (1 µs)
Approx. 3 µs
Isolated unbalanced
Metal BNC connector
Combined with the 700929 (10:1), 702902 (10:1), or 701947 (100:1):
420 V (DC+ACpeak)
Combined with the (701901 + 701954) (1:1) or direct input (cable that does not comply with
the safety standards):
42 V (DC+ACpeak)
Working voltage of safety standard
Combined with the 700929 (10:1), 702902 (10:1), or 701947 (100:1):
300 Vrms (CAT II)
Combined with the (701901 + 701954) (1:1) or direct input (cable that does not comply with
the safety standards):
42 V (DC+ACpeak) (CAT II, 30 Vrms)
1500 Vrms for 1 minute (across each terminal and earth) (60 Hz)
±2100 Vpeak (across each input terminal and earth)
500 VDC, 10 MΩ or more (across each input terminal and earth)
16 bits (2400 LSB/div)
1
• When in frequency, RPM, RPS, or velocity measurement mode
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:
Input frequency of 2 kHz to 50 kHz:
Input frequency of 50 kHz to 100 kHz:
Input frequency of 100 kHz to 200 kHz:
Input frequency of 200 kHz to higher:
• When in power supply frequency mode
When the center frequency is 50/60 Hz:
When the center frequency is 400 Hz:
(Input set to AC100 V or AC200 V with sine wave input)
• When in period measurement mode
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 µs or greater:
Input period of 20 µs to 500 µs:
Input period of 10 µs to 20 µs:
Input period of 10 µs or less:
• When in duty cycle measurement mode
Dependent on the input frequency
Input frequency of 50 kHz or less:
Input frequency of 50 kHz to 100 kHz:
Input frequency of 100 kHz to 200 kHz:
Input frequency of 200 kHz to 500 kHz:
23 ±5°C
20 to 80% RH
4
5
6
2
3
6
0.05% of the input frequency + 0.001 Hz
0.05% of the input frequency
0.1% of the input frequency
0.2% of the input frequency
0.5% of the input frequency
7
±0.03 Hz (0.01 Hz resolution)
±0.3 Hz (0.01 Hz resolution)
0.05% of the input period
0.1% of the input period + 0.1 µs
0.2% of the input period + 0.1 µs
0.5% of the input period + 0.1 µs
8
±0.1%
±0.2%
±0.5%
±1.0%
IM DL850E-03EN