Lenze 8400 HighLine C Series - Page 157

Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010 L 157
8400 HighLine | Parameter setting & configuration
Motor control (MCTRL)
Servo control (SC)
 How to optimise the speed controller setting by means of the ramp response:
1. Run a typical speed profile and record the ramp response of the speed using the
data logger.
• Motor control variables to be recorded:
nSpeedSetValue_a (speed setpoint)
nMotorSpeedAct_a (actual speed value)
2. Evaluate the ramp response:
• Solid line = ramp response (actual speed value)
• Dash line = speed setpoint
3. Change gain Vp in C00070/2
and reset time Tn in C00071/2.
4. Repeat steps 1 ... 3 until the optimum ramp response is reached.
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Vp < Vp opt. Vp = Vp opt. Vp > Vp opt.
Tn < Tn opt.
Tn = Tn opt.
Tn > Tn opt.
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