User Manual Chapter 1
GFK-2749A Jan 2020
PSM Module Description and Specifications 4
A four-pin pluggable connector provides two isolated solid-state relay contacts that close
when the correct voltage, phase, and relative frequency differences match the configured
criteria for synchronization of the GRID1 and GRID2 signals
Note: The Terminal Assembly is not equipped with CT shorting-bars. These must be provided
separately by the user.
Figure 2
1.5 User-Supplied Equipment
The user must supply the following components depending upon the application. This
equipment includes:
•
Current transformers, 5 Amps
•
Potential transformers
•
Fuses (1 Amp each) for each voltage lead connected to the Terminal Assembly.
•
A fuse (1 Amp) for the common or return line for the voltage lead on the Terminal
Assembly.
•
A CT shorting block for each current transformer (CT) connection used on the Terminal
Assembly when used with external CTs.
1.6 PSM Part Numbers
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