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Solutions to Applications Requiring
Control Inputs to be Earth Grounded
Solution #1 – Focus 3 Signal Isolator Board
This option is used in applications where isolation is required between an external
control signal and the motor controller (which may or may not be at earth ground
potential). It can be utilized to isolate a variety of voltage or current signals (see
specifications below). It may also be used simply to isolate the speed adjustment pot,
and the pot power supply is included! This option can be mounted in the enclosure or in
a piece of plastic track (included with kit).
F3NSBD
Focus Terminal
Strip
CW
Run
Stop
120
VAC
Speed
Pot
Or signal from a
PLC or computer
DCS system where
isolation is unknown
or must be
maintained
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