Reference Handling - ABB ACS550 User Manual

220

Reference handling

Use Group 10: START/STOP/DIR
direction for each control location (
how group 10 parameters and the sign of the fieldbus reference interact to produce
REFERENCE
they can be positive or negative.
Parameter
1003
1003
1003
Embedded fieldbus
values ( 1 and
REF
Value setting
1 ( )
DIRECTION FORWARD
2 ( )
DIRECTION REVERSE
3 ( )
DIRECTION REQUEST
parameters to configure for control of rotation
1 and 2). The following diagrams illustrate
EXT EXT
2). Note, fieldbus references are bipolar, that is
REF
ABB Drives profile
AI reference scaling
Max. ref
Fieldbus
reference
-163%
-(Max. ref.)
Max. ref
Fieldbus
-163%
reference
-(Max. ref.)
Max. ref
-163%
Fieldbus
reference
-(Max. ref.)
ACS550 User's Manual
Resultant ref.
-100%
100%
Resultant ref.
100%
-100%
Resultant ref.
-100%
100%
163%
163%
163%