IMPULSE•G+ Mini Advanced Instruction Manual – March 2014
5-80
Motor Tuning
• N2 Automatic Frequency Regulator Tuning (OLV Only)
• N6 Online Tuning
Automatic Frequency Regulator Tuning (OLV Only)
The Automatic Frequency Regulator (AFR) is used to achieve stability when a load is suddenly
applied or removed by calculating changes in the torque current feedback, and adjusting the output
frequency accordingly.
If the system is hunting, increase the OLV Stabilization Level (N02.05) by one until the load
stabilizes. Both D03.02 and N02.01 will be incremented or decremented accordingly. See Table 5-
17: OLV Stabilization Level.
Parameter
Code Name Function Range
Initial
Value
Access
Level
N02.01 Automatic Frequency
Regulator (AFR) Tuning
Automatic Frequency
Regulator (AFR) Tuning
0.00–10.00 1.00 Adv
N02.02 AFR Detection Time AFR Detection Time 0–2000ms 150 Adv
N02.03 AFR Time Constant AFR Time Constant 0–2000ms 750 Adv
N02.04 AFR Limit AFR Limit 0.0–60.0 Hz 5.0 Adv
N02.05 OLV Stabilization Level Sets the stabilization for OLV
control
00–11, FF 08 Adv
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