User manual

User Manual – Rev B FCS Series II
2.1.2 Output
Output Parameter Specification
Modes
AC
Voltage:
Standard Voltage
Ranges (L-N):
Low range: 0 – 135 Vac
High range: 0 – 270 Vac
Resolution: 0.1 V
Programming
Accuracy:
± (0.05% + 0.25 V) from 10V to FS.
Specified at voltage sense point with ALC mode ON.
Distortion THD (to 80
Khz)
1
:
< 1 % from 50 Hz to 60 Hz.
See for distortion as a function of frequency.
Load Regulation:
ALC mode ON
0.1 % FS
External Sense Up to 2% of Full scale voltage can be dropped across each load lead Internal
or External sense selectable.
Line Regulation: 0.1% for 10% input line change
Stability: ± 0.05% FS, 24 hours, constant line, load and temperature, ALC on.
Temp Coefficient: ± 0.05 V/°C
DC Offset Voltage: 0.0 V
Output Noise:
(20 kHz to 1 MHz)
Low voltage range: < 425 mV
RMS
High voltage range: < 950 mV
RMS
Output Coupling Transformer coupled
Output Impedance (Z) Z = Vrange * 0.001 / I_load
Power (total power per phase, either range, at full scale voltage)
FCS18-1 (single phase) FCS18-3 (three phase)
At 35° C ambient max. 18 kVA 6 kVA
Current
Model FCS18-1 (single phase) FCS18-3 (three phase)
135 V Range. 133.2 Arms 44.4 Arms
270 V Range. 66.6 Arms 22.2 Arms
Note: Current derates linearly from 50% of voltage range to 10% of specified current at 10% of
voltage range. See
Figure 2-2 for specified current versus voltage operating range.
Note: Current, maximum amps per phase available. For FCS36/2, currents are times two. For
FCS54/3, currents are times three. 35° C ambient max.
Current Limit mode Programmable, CC or CV mode
Repetitive Peak Current
135 V Range. 375 Apk 125 Apk
270 V Range. 187.5 Apk 62.5 Apk
1
The distortion specification for the FCS II Series applies at full-scale voltage, full resistive load conditions.
California Instruments 13