ABB DCS 500B

Functional Software description
DCS 500 Software Description 49
• Field Excitation
With DCS 500B it is possible to use several kinds of field exciters
or a combination of them, depending on the application. This para-
graph describes available field exciter units. Functions which use
field exciters are also explained.
6'&6)(;
'&6&RQYHUWHU
6'&6)(;
MOTOR
0
(;7(51$/
),(/'
(;&,7(5
$FNQRZOHGJH
ILHOGH[FLWHU
RS-485
)LHOGPRQLWRULQJ
;
;
;
56
&RQ WURO
&21752/%2$5'
6&'6&21[
,2 
FDUGV
;
FIELD
-flux control, field reference
-field logic
-EMF-control
'&)[
&RQWURO
Field
reference
6 ' & 6 )( ;[
Figure 40 Basic parts of the field excitation