Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

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Parameters (E) Environment setting parameters
FR-A800 5 - 227
5.7.17 PWM carrier frequency and Soft-PWM control
The motor sound can be changed.
The setting range for the FR-A820-03160(55K) or lower and FR-A840-01800(55K) or lower.
The setting range for the FR-A820-03800(75K) or higher and FR-A840-02160(75K) and higher.
NOTES Pr. 77 "Parameter write selection", Pr. 160, Pr. 296 "Password lock level", Pr. 297 "Password lock/
unlock" and Pr. 991 "PU contrast adjustment" can always be read regardless of the user group set-
ting. (For Pr. 991, only when the FR-LU08 or the FR-PU07 is connected.)
Pr. 77, Pr. 160, Pr. 172 to Pr. 174, Pr. 296, and Pr. 297 cannot be registered in a user group.
When Pr. 174 is read, "9999" is always displayed. "9999" can be written, but it does not function.
Pr. 172 is disabled if set to a value other than "9999".
Parameters referred to
Pr. 15 Jog frequency => page 5-296
Pr. 16 Jog acceleration/deceleration time => page 5-296
Pr. 77 Parameter write selection => page 5-211
Pr. 296 Password lock level => page 5-215
Pr. 297 Password lock/unlock => page 5-215
Pr. 550 NET mode operation command source selection => page 5-282
Pr. 551 PU mode operation command source selection => page 5-282
Pr. 991 PU contrast adjustment => page 5-204
Pr. Name Initial value Setting range Description
72
E600
PWM frequency selection 2
0 to 15
The PWM carrier frequency can be
changed. The setting displayed is in
[kHz].
Note that 0 indicates 0.7 kHz, 15
indicates 14.5 kHz, and 25 indicates
2.5 kHz. (The setting value "25" is for
the sine wave filter.)
0 to 6, 25
240
E601
Soft-PWM operation
selection
1
0 Soft-PWM disabled
1 The soft-PWM is enabled.
260
E602
PWM frequency automatic
switchover
1
0
PWM carrier frequency automatic
reduction function disabled (for the
LD, ND, or HD rating)
1
PWM carrier frequency automatic
reduction function enabled