BENSHAW ENHANCED KEYPAD Informações Técnicas descarregar pdf (Página 132)

8 – THEORY OF OPERATION

Acceleration Control

126

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:

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.

Figure 22 – Ramp Select Change During Start

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

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 173 174

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