Product Overview 1-5
1560D-UM051D-EN-P – February 2005
Dual Ramp Start X
This starting mode is useful for applications that have varying loads (and
therefore varying starting torque requirements). Dual Ramp Start allows
the user to select between two separate Soft Start profiles with separately
adjustable ramp times and initial torque settings.
Percent
Voltage
Initial Torque #1
100%
Ramp #2
Ramp #1
Time (seconds)
Initial Torque #2
Start #1
Run #1
Run #2 Start #2
Percent
Voltage
Initial Torque #1
100%
Ramp #2
Ramp #1
Time (seconds)
Initial Torque #2
Start #1
Run #1
Run #2 Start #2
Figure 1.4 – Dual Ramp Start
X Dual Ramp Start is available only with the standard controller.
Full Voltage Start
This starting mode is used for applications requiring across-the-line starting.
The output voltage to the motor will reach full voltage within ¼ second.
100%
Percent
Voltage
Time (seconds)
100%
Percent
Voltage
Time (seconds)
Figure 1.5 – Full Voltage Start
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