DMG JUNIOR 4.0 - Case VVVF Controllers with Non-Encoder Based Positioning Systems

User
Manual
File Name
Revision
Date
Page
93010350.EN_A_Junior 4.0 User
Manual_240828_v1.0 - VVVF
1.0
28/08/2024
79 / 90
Case VVVF controllers with non-encoder based positioning systems
If a digital position system is used in the installation (i.e.: digital signal from magnetic detectors), some
additional parameters must be used:
PAR.
DESCRIPTION
DEFAULT
SUGGESTED ADJUSTMENTS
F24
Starting speed holding time
0,7
Set value between 0,7 and 0,8
H64
Zero speed control time
0
Set value to 0
E12
Acceleration at high speed
2
Speed fluctuations: increase value by 0,25
E13
Acceleration at low speed
2
Motor stops: increase value by 0,25
C07
Creep Speed (5-10% of high speed)
Motor stops: increase value by 0,1
Vibrations: increase/decrease value by 0,1
C11
High Speed
See Nominal
Value on the
motor plate
If the car is unable to keep floor level,
make sure the low speed phase is
performed correctly by reducing high
speed C11 to half of its value to check
that low speed is kept for few seconds,
then slowly increase C11