Curtis 2000 Spécifications télécharger pdf (Page 26)

Curtis PMC 1223/33, 1225/35, 1227/37 Manual

2 — INSTALLATION & WIRING:

Throttle

Fig. 11 Wiring for 0–5V

throttle.

4.7kΩ, 0.25W

B-

16 15 14 13 12 11 10 9

87654321

Pin 3

Pin 2

Pin 1

Pot Low Input

0–5V Input

Pot High Input

PIN KEY

required with wigwag throttles

Because the throttle input voltage is referenced to B- and no throttle

connections are made to the pot high and pot low inputs, throttle fault protec-

tion is lost with 0–5V throttles. The only throttle fault that will be detected by

the controller is a broken wire to the pot wiper input (Pin 2), which will cause a

normal deceleration to zero speed. The controller will not recognize out-of-range

throttle inputs as faults, and applying excessive voltages to the throttle wiper

input may damage the controller. It is the responsibility of the vehicle

manufacturer to provide throttle fault detection for 0–5V throttles.

Table 2 THROTTLE STYLES for 3-wire, 5kΩ pots (0–5V throttles)

THROTTLE STYLE DESCRIPTION OF OPERATION

Single-Ended

Zero speed at any resistance less than 400 Ω (0.4 V).

Controller output increases as resistance increases in

the selected direction. Maximum output is reached at

4.8 kΩ (4.8 V).

Wigwag

Zero speed at 2.5 kΩ ±200 Ω (2.5 V ±0.2 V). Controller

output increases in the forward direction as resistance

increases, with maximum forward output reached at

4.8 kΩ (4.8 V). Output increases in the reverse

direction as this resistance decreases, with maximum

reverse output reached at 200 Ω (0.2 V).

Inverted Wigwag

Same as wigwag, with the exception that increasing

the resistance increases controller output in the

reverse direction, and decreasing resistance increases

output in the forward direction.

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Curtis 2000 Spécifications Page 26

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