Lenze EDS4900U-REG - Manual (Page 194)

Configuration
7-103
48XX/49XXSHB0399
7.7.4 Blocking protection for the motor
Purpose
The blocking protection avoids that the collector of the DC motor is overheated in
standstill.
Function
4900Str086
I
n
T r i p d E r
C 1 2 4
B l o c k i n g t i m e
A
a c t
C 1 2 3
B l o c k i n g c u r r e n t
FIG 7-59 Blocking protection function
The blocking protection is activated if
( I
Aact
> threshold in C123
( n
act
< 1%
¼ n
rated
(C087) and
( the blocking time set (C124) are exceeded.
Show/Hide Bookmarks