Avoid Mechanical Resonance Points (Frequency Jump) - Mitsubishi Electric FR-A700 Instruction Manual

Frequency inverter
Hide thumbs Also See for FR-A700:
Table of Contents

Advertisement

Limit the output frequency
6.8.2
Avoid mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36)
When it is desired to avoid resonance attributable to the natural frequency of a mechanical sys-
tem, these parameters allow resonant frequencies to be jumped.
Pr.
Name
No.
31
Frequency jump 1A
32
Frequency jump 1B
33
Frequency jump 2A
34
Frequency jump 2B
35
Frequency jump 3A
36
Frequency jump 3B
Up to three areas may be set, with the jump frequencies set to either the top or bottom point of
each area.
The settings of frequency jumps 1A, 2A, 3A are jump points, and operation is performed at these
frequencies in the jump areas.
Hz
6 - 170
Initial Value
Setting Range
9999
0–400Hz/9999
9999
0–400Hz/9999
9999
0–400Hz/9999
9999
0–400Hz/9999
9999
0–400Hz/9999
9999
0–400Hz/9999
Set frequency
Description
1A to 1B, 2A to 2B, 3A to 3B is
frequency jumps
9999: Function invalid
Fig. 6-57:
Definition of the jump areas
Pr.36 (3B)
Pr.35 (3A)
Pr.34 (2B)
Pr.33 (2A)
Pr.32 (1B)
Pr.31 (1A)
Parameter
Refer to
Parameters referred to
Section
I000019C

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Fr-a740 ecFr-a700 ec

Table of Contents