APP APP-601, Руководство по эксплуатации, Страница: 19 / 146

Specifications 2-2
2.1 Analog Inputs
2.1.1 Voltage
Max channels per chassis 30
Max input voltage 440VACrms
True DC Coupling Yes
Rin 100K
Ω
Min, Range Dependent
Burden 0.045VA@67V, 0.144VA@120V
Accuracy (un-calibrated) Typical 0.15% of Reading, Max 0.5%
2.1.2 Current
Internal shunt
2mΩ
Burden 0.05VA@5A, 0.45AV@15A
Max Continuous current 15A
Max amp-seconds (not to exceed) 140A RMS for 2 seconds, 250A RMS for 0.5
seconds
Max current (not to exceed) 250A
Accuracy (un-calibrated) Typical 0.61% of Reading, Max 1.0%
2.1.3 General
Ch to Ch phase angle error
≤ 0.004 degrees
Cut-off frequency (-3db) 10KHz
Common mode rejection 80dB Min
Temperature Error
≤75ppm/ºC
Channel to channel isolation
≥ 3500VDC
Channel to ground isolation
≥ 3500VDC
Channels per card 3
Channel type Each channel can be setup as voltage or current
Data alignment With 1PPS rising edge
Data accuracy 1 µsec with unmodulated IRIG-B input
Connector type #6 screw terminal double barrier
Max wire size 12AWG