Mitsubishi Electric FR-D720-0.1K Instruction Manual page 307

(2) 6-point frequency jump (Pr.552)
Pr.36
Pr.35
Pr.33
Pr.34
Pr.32
Pr.552
Pr.31
Pr.552
0
REMARKS
 Setting Pr.552 = "0" disables frequency jumps.
 During acceleration/deceleration, the running frequency within the set
area is valid.
2 SERIAL number
Check the SERIAL number indicated on the inverter rating plate or package.
• SERIAL number check
Refer to the inverter manual for the location of the rating plate.
Rating plate example

Symbol
The SERIAL consists of one symbol, two characters indicating production
year and month, and six characters indicating control number.
The last digit of the production year is indicated as the Year, and the Month
is indicated by 1 to 9, X (October), Y (November), or Z (December.)
Jump range
Jump range
Input set frequency
4 3
Year Month
SERIAL
The total of six jump ranges can be set using

Pr.31 to Pr.36.
When frequency jump ranges overlap, the

lower limit of the lower jump range and the
upper limit of the upper jump range are used.
When a frequency is set to a point within a

jump range, the set frequency is lowered or
increased to the jump range limits, according
to the following frequency input condition.
Frequency
input
condition
When
accelerating
When
decelerating

Control number
3/4
Set frequency after
frequency jump
The setting frequency is decreased to
the lower limit of the jump range.
The setting frequency is increased to
the upper limit of the jump range.
BCN-C22005-652