4 standstill excitation (field heating), Configuration – Lenze EDS4900U-REG User Manual

Page 152

Configuration

7-61

48XX/49XXSHB0399

7.4.4

Standstill excitation (field heating)

Purpose

With this function, a reduced field current can be set as field heating to avoid
condensation in the event of motor standstill.

4900Str048

C 1 8 8

C 0 8 3

C 2 3 1

C 1 8 7

C 3 1 6

C 3 1 8

C 3 1 7

I F a c t

I - c o n t r o l l e r

I F r

I F m i n

I F s e t

F i e l d c u r r e n t

s e t p o i n t

r e d u c e d

f i e l d c u r r e n t

A c t i v a t i o n

f i e l d c u r r e n t r e d u c t i o n

D e l a y

R F R

C t r l . i n h i b i t

FIG 7-21

Standstill excitation

Code

Name

Possible settings

Code

Name

Lenze Selection

Info

C316* Reduced

field current

20 % 0 % I

Frated

{1 % I

Frated

}

100 % I

Frated

Reference: I

Frated

(C083)

With selection 0%, the ignition pulses of
the field controller are inhibited.

C317* Time delay

for the
reduced
field current

60 s

0.0 s

{0.1 s}

10 s

{1 s}

100 s

{10 s}

3600 s

Time which is required to activate the
reduced field current after inhibiting the
controller.

C318* Activate

field current
reduction

-0-

Field current reduction function is switched off

-1-

Field current reduction function is switched on

Show/Hide Bookmarks