16
Curtis PMC 1204/1205 Manual
load. You should determine by experiment the proper resistor value to
give the desired speed reduction. (NOTE: with reduced speed operation,
only top speed is reduced; full power is maintained for starting at low
speeds.)
Unlike resistor controllers, Curtis PMC 1204/1205 controllers op-
erate efficiently in the reduced speed mode, because little power is lost
through the controller.
Electronic Throttle Wiring
Curtis PMC’s electronic throttle, ET-XXX, is wired as shown in Figure 14.
It requires a controller with the optional 0–5V throttle input.
WIRING
Fig. 14 Curtis electronic
throttle (ET series) with
a controller having the
optional 0–5V throttle
input.
FORWARD
REVERSE
MAIN
KEYSWITCH
INTERLOCKS
FUSE
POLARITY
PROTECTION
DIODE
B-
B+
M-
A2
+
–
GREEN
ORANGE
BLACK
BLACK/WHITE
WHITE
WHT/BRN
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