Specifications - GE PACSystems RX3i User Manual

Specifications

GFK-2749
PSM Module Power Requirements
Backplane Power Consumption
Total Power Dissipation
Isolation from Backplane
Host Controller Compatibility
RX3i CPUs
Maximum number of PSM modules per
RX3i system
Sync Relay contacts
Two isolated relay outputs
Switching speeds
Turn-on time
Turn-off time
Measurement Specifications
Three voltage inputs per grid
Impedance
Range
Low range
High range
Frequency
Four current inputs per grid
Impedance
Range
Frequency
Phase difference between grids:
1
Measurement Accuracy
Voltage
Current
kW, kVAR, kVA
kWH, kVARH, kVAH
Power factor
Frequency
Phase angle
1
In the presence of severe RF interference (IEC 61000-4-6, 10 volts), accuracy could be degraded
by ±2% of full scale.
Chapter 1 PSM Module Description and Specifications
400 mA max. at 5 VDC
2.0 W max.
1500 VDC
For specific versions supported, refer to "Functional
Compatibility" in the Important Product Information
document, GFK-2748.
No restrictions, as long as the power supply has
sufficient capacity
General purpose:
125 VAC / 125 VDC maximum at 1 amp
Lamp duty:
125 VAC / 125 VDC maximum at 1 amp
Pilot duty:
125 VAC / 125 VDC maximum at 0.35 amp
20ms
5ms
All voltage data is scaled in 0.1 VAC units.
>1 MΩ
45–150 VAC RMS (120VAC nominal)
120–690 VAC RMS (600VAC CAT IV; 690 VAC CAT III)
40–70 Hz
All current data is scaled in 0.001 Amp units.
<5 milliohms
0–5 A RMS (5 A nominal)
40–70 Hz
O
±180
0.2% of Full Scale (see page 3-20)
0.2% of Full Scale (see page 3-20)
0.4%
0.4%
1%
0.01 Hz
O
0.1
1
1-5