7
Installation and Operation
1.3.8 Wiring the Control Outputs
Connect one end of the Control Output cable to the Control
Outputs connector on the PSX-NL4. Cut off the other end
of the control output cable. The wire going to the pin on the
connector labeled "FLT" is Control Output # 1. The wire go-
ing to the pin labeled "EN_FAI" is Control Output #2.
The Control Outputs are low-current, open collector (tran-
sistor) outputs which pull to ground when activated. These
outputs can be used to activate sensitive trip relays, supply
the ground side to an FAI Input, or other similar uses.
i Note: Do not connect these outputs directly to a voltage
source or damage to the PSX-NL4 will occur. Also, ensure
the wire used is rated for the voltages and temperatures in
the area which it is installed.
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