Curtis PMC 1223/33, 1225/35, 1227/37 Manual
20
Curtis ET-XXX Electronic Throttle
The recommended wiring for the Curtis ET-XXX electronic throttle is shown in
Figure 12. The ET-XXX throttle provides a single-ended 0–5V throttle signal and
a signal indicating whether it is in forward or reverse. If the controller is
configured to require only a single direction switch, only the reverse output wire
(white wire) needs to be connected. If the controller is configured to require
separate inputs for forward and reverse, the forward output wire (black/white
wire) must also be connected. NOTE: The controller must be programmed as a
single-ended 0–5V throttle type for use with the ET-XXX.
As with any 0–5V throttle, there is no fault detection built into the ET-XXX.
It is the responsibility of the vehicle manufacturer to provide throttle fault
detection when using the ET-XXX.
2 — INSTALLATION & WIRING:
Throttle
Fig. 12 Wiring for Curtis
ET-XXX electronic throttle.
GREEN
ORANGE
BLACK
BLACK/WHITE
WHITE
WHT/BRN
B+
KEYSWITCH
B-
Pin 15
Pin 13
Pin 12
Pin 2
KSI Input
Direction/Reverse
Forward
0–5V Input
PIN KEY
B-
WHT/
GRN
connector
only for controllers that require separate inputs
for forward and reverse (Direction Input Type “2”)
16 15 14 13 12 11 10 9
87654321
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