User Manual Chapter 1
GFK-2749A Jan 2020
PSM Module Description and Specifications 5
One replacement 2m (6.56 ft.) interface cable
PSM replacement parts:
two finger guards
four thumb screws
one relay connector
two grounding lug nuts
PSM Module Power Requirements
Backplane Power Consumption
Host Controller Compatibility
For specific versions supported, refer to “Functional
Compatibility” in the Important Product Information
document, GFK-2748.
Maximum number of PSM modules per
RX3i system
No restrictions, as long as the power supply has sufficient
capacity
Two isolated relay outputs
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
Measurement Specifications
Three voltage inputs per grid
All voltage data is scaled in 0.1 VAC units.
Range
Low range
High range
45–150 VAC RMS (120VAC nominal)
120–690 VAC RMS (600VAC CAT IV; 690 VAC CAT III)
Four current inputs per grid
All current data is scaled in 0.001 Amp units.