Specifications

Curtis PMC 1223/33, 1225/35, 1227/37 Manual
30
3 — PROGRAMMABLE PARAMETERS
M1 MAX SPEED [default access: OEM]
M2 MAX SPEED [default access: OEM]
The maximum speed parameter defines the maximum controller output at full
throttle with the speed limit pot in its maximum speed position. For example, if
Mode 1 Maximum Speed is set at 60% and the speed limit pot is in its maximum
speed position, the controller will provide 60% output at full throttle in Mode 1.
NOTE: If a speed limit pot is not used, the maximum speed parameter is not
applicable unless Pin 4 is jumpered to Pin 1 (see page 22).
In the examples shown in Figure 17, the maximum speed parameter is set at
100% in Mode 2 and at 60% in Mode 1. The speed curves are straight lines in
these examples because we are assuming a 50% ramp shape setting. The throttle
response is not necessarily linear; see ramp shape parameter (page 38).
The speed interlocks (see Section 4) ensure that Mode 2 is by definition the
faster of the two modes. The M1 Maximum Speed cannot be set higher than the
M2 Maximum Speed.
M1 MIN SPEED [default access: User]
M2 MIN SPEED [default access: User]
The minimum speed parameter defines the maximum controller output at full
throttle with the speed limit pot in its minimum speed position. For example, if
Mode 1 Minimum Speed is set at 20% and the speed limit pot is in its minimum
speed position, the controller will provide 20% output at full throttle. NOTE: If
Speed Parameters
Fig. 17 Examples of
speed curves with the
speed limit pot in its
maximum speed position.
THROTTLE (percent)
PWM OUTPUT (percent)
100
90
80
70
60
50
40
30
20
10
0
100908070605040302010 0
M2 MAXIMUM SPEED
(set at 100%)
M1 MAXIMUM SPEED
(set at 60%)