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REFERENCE OUT (PLC ANALOG INPUTS):
The reference out potentiometer is located on the front
of the SCRB-68 unit.
For PLC analog inputs, the output level is typically set
at 95% of the maximum allowable input voltage. For
example, with an analog input range configured for 0-
10 volts DC, the output voltage would be adjusted so
that 9.5 volts DC is present when the output terminals
(Terminals located on outside edge of the board same
as the adjustment potentiometers) when the drive is at
full speed. Note also that the output voltage must be
something less that 13 volts DC since it is internally lim-
ited to that level.
With the flywheel only running set the speed control to
maximum speed. Once full speed is obtained from the
drive, connect a voltmeter to the terminals on the II
board.
Allow sufficient time when adjusting the output scaling
potentiometer for output voltage stabilize. This poten-
tiometer requires 25 turns of the adjustment for full
range of adjustment.
The output scaling potentiometer should now be turned
to obtain desired output voltage at full speed. Turn
adjustment screw clockwise to increase output level or
counterclockwise to decrease the level.
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