216
ACQ550-U1 User’s Manual
Embedded fieldbus
Reference handling
Use
parameters to configure for control of rotation
direction for each control location (
EXT
1 and
EXT
2). The following diagrams illustrate
how group 10 parameters and the sign of the fieldbus reference interact to produce
REFERENCE
values (
REF
1 and
REF
2). Note, fieldbus references are bipolar, that is
they can be positive or negative.
ABB Drives profile
Parameter
Value setting
AI reference scaling
1003
DIRECTION
1 (
FORWARD
)
1003
DIRECTION
2 (
REVERSE
)
1003
DIRECTION
3 (
REQUEST
)
100%
Max. ref
-100%
-163%
163%
-(Max. ref.)
Fieldbus
Resultant ref.
reference
100%
Max. ref
-100%
-163%
163%
-(Max. ref.)
Fieldbus
Resultant ref.
reference
100%
Max. ref
-100%
-163%
163%
-(Max. ref.)
Fieldbus
Resultant ref.
reference
Содержание ACQ550-U1-011A-6
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Страница 250: ...250 ACQ550 U1 User s Manual Fieldbus adapter ...
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