12
Curtis 1207B Manual
3-Wire Potentiometer (500
Ω
–10k
Ω
) Throttle
The 3-wire potentiometer is used in its voltage divider mode—with the voltage
source and return being provided by the 1207B controller. Pot High provides
a current-limited 5V source to the potentiometer, and Pot Low provides the
return path. Wiring is shown in Figure 8.
Fig. 8 Wiring for 3-wire
potentiometer throttle
(“Type 2”).
Fig. 9 Wiring for
Curtis ET-XXX electronic
throttle (“Type 2”).
Curtis ET-XXX Electronic Throttle
The Curtis ET-XXX provides throttle and forward/reverse inputs to the 1207B
controller. Wiring for the Curtis ET-XXX is shown in Figure 9.
2 — INSTALLATION & WIRING
8 7 6 5 4 3 2 1
16 15 14 13 12 11 10 9
OFFON
3-WIRE POT
Pin 7
Pin 6
Pin 5
Pot Low
0–5V Input
Pot High
PIN KEY
8 7 6 5 4 3 2 1
16 15 14 13 12 11 10 9
ET-XXX
B-
B+
B-
GREEN
ORANGE
BLACK
BLACK/WHITE
WHITE
WHT/BRN
Pin 16
Pin 12
Pin 11
Pin
6
KSI Input
Forward
Reverse
0–5V Input
PIN KEY
KEYSWITCH
WHT/
GR
N