Vestil EPT-30 - Manual (Page 35)

35
Curtis PMC 1207/1207A Manual 28
2 A — INSTALLATION & WIRING: 1207A Controller
3-Wire Potentiometer (500 Ω–10kΩ) Throttle
The 3-wire potentiometer is used in its voltage divider mode—with the voltage
source and return being provided by the 1207A 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
A
.
Fig. 8 A
Wiring for 3-wire
potentiometer throttle
(“Type 2”).
8 7 6 5 4 3 2 1
16 15 14 13 12 11 10 9
OFF ON
3-WIRE POT
Pin 7
Pin 6
Pin 5 Pot Low
0–5V Input
Pot High
PIN KEY (1207A)
Fig. 9 A
Wiring for
Curtis ET-XXX electronic
throttle (“Type 2”).
Curtis ET-XXX Electronic Throttle
The Curtis ET-XXX (manufactured by Hardellet) provides throttle and forward/
reverse inputs to the 1207A controller. Wiring for the Curtis ET-XXX is shown
in Figure 9
A .
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 (1207A)
KEYSWITCH
WHT/
GRN
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