Curtis 2000 Especificações descarregar pdf (Página 46)

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

3 — PROGRAMMABLE PARAMETERS

Changing either the maximum speed setting or the creep speed setting

changes the output range of the controller. Ramp shape output is always a

percentage of the output range (the range between the creep speed and maximum

speed settings).

Ramp shapes with the creep speed setting raised from zero to 10% are shown

in Figure 23.

In Figure 24, the creep speed is kept at 10% and the maximum speed setting

is dropped from 100% to 60%.

THROTTLE (percent)

PWM (percent)

70%

60%

50%

40%

30%

20%

RAMP SHAPE

100

100908070605040302010 0

CREEP SPEED (10%)

MAXIMUM SPEED (100%)

Fig. 23 Ramp shape

(throttle map) for control-

ler with maximum speed

set at 100% and creep

speed set at 10%.

THROTTLE (percent)

PWM (percent)

70%

60%

50%

40%

30%

20%

RAMP SHAPE

100

100908070605040302010 0

CREEP SPEED

(10%)

MAXIMUM SPEED

(60%)

Fig. 24 Ramp shape

(throttle map) for control-

ler with maximum speed

set at 60% and creep speed

set at 10%.

In all cases, the ramp shape number is the PWM output at half throttle, as a

percentage of its full range. In Figure 24, for example, the 50% ramp shape gives

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 92 93

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