Building an HV Interlock
On the rear panel of your xHV Power Supply is a connector called, “Safety Switches.” This
connector must be used to wire Interlock Safety switches and an Emergency Shutoff switch
to the xHV Power Supply. The switches provided by Cirris are identified as Interlock Safety
1, Interlock Safety 2, and Emergency Shutoff (E-Stop).
The diagram below displays the “Safety Switches” connector pin out.
Each safety switch has four signals: Drive+, Drive-, Sense+, and Sense-. The table below
displays the switch name, signal, and pin number of the HV Safety Interlock.
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