ACS 300 User’s Manual 59
Chapter 7 - Drive Parameters
Figure 7-4 Example of critical frequencies setting.
The following is an alternative way to enter the LOW and
HIGH settings for critical frequency:
• Run the drive with external reference.
• Using the analog input, set the frequency to the critical
frequency LOW value.
• Go to parameter CRIT f1L on Page 2.
• Press and hold the key for three seconds.
• The ACS 300 will respond by updating the frequency set-
ting to the current value. The CRIT f1L is now set.
• Increase the analog input reference so that the output fre-
quency is just above the critical frequency span.
• Go to parameter CRIT f1H on Page 2.
f
motor
[Hz]
f
REF
[Hz]
f1L
18
f1H
23
f2L
46
f2H
52
52
46
23
18
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