BENSHAW ENHANCED KEYPAD Manuel d'utilisateur télécharger pdf (Page 156)

148

7 - THEORY OF OPERATION

Changing Ramp Profiles The selected ramp profile may be changed during starting by changing the Ramp Select input. When the Ramp

Select input changes during ramping, control switches to the other profile as if it were already in progress. It does

not switch to the beginning of the other profile. Refer to the following example below:

z NOTE: Once the motor has achieved an up-to-speed status (UTS), changes to the Ramp Select input have no

effect on the motor operation.

Ramp Profile 1

Ramp Profile 2

Initial Current 2

Kick Level 1

Maximum Current

Initial Current 1

Maximum Current 1

Kick Time 1

Ramp Time 2

Ramp Time 1

Ramp Select Changed During Start

Ramp 1 Selected Ramp 2 Selected

Kick Level 2

Kick Time 2

Ramp Time 2

Figure 34: Changing Ramps During Acceleration Example

1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 221 222

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BENSHAW ENHANCED KEYPAD Manuel d'utilisateur Page 156