EasyManua.ls Logo

ABB ACS355 series - Fieldbus References

ABB ACS355 series
436 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
320 Fieldbus control with embedded fieldbus
Fieldbus references
Reference selection and correction
Fieldbus reference (called COMM in signal selection contexts) is selected by setting a
reference selection parameter – 1103 REF1 SELECT or 1106 REF2 SELECT – to
COMM, COMM+AI1 or COMM*AI1. When parameter 1103 or 1106 is set to COMM,
the fieldbus reference is forwarded as such without correction. When parameter 1103
or 1106 is set to COMM+AI1 or COMM*AI1, the fieldbus reference is corrected using
analog input AI1 as shown in the following examples for the ABB drives profile.
Setting When COMM > 0 When COMM < 0
COM
M+AI1
COMM(%)
·
(MAX-MIN) + MIN
+ (AI(%) - 50%)
·
(MAX-MIN)
COMM(%)
·
(MAX-MIN) - MIN
+ (AI(%) - 50%)
·
(MAX-MIN)
Maximum limit is defined by parameter 1105 REF1 MAX / 1108 REF2 MA.
Minimum limit is defined by parameter 1104 REF1 MIN / 1107 REF2 MIN.
AI = 50%
AI = 100%
AI = 0%
1500
Corrected
reference (rpm)
750
0
Max. limit
Min. limit
COMM
REF (%)
100500
AI = 50%
AI = 0%
AI = 100%
COMM
REF (%)
Corrected
reference (rpm)
0
-750
-1500
-100 -50 0
Max. limit
Min. limit
AI = 50%
AI = 100%
AI = 0%
Corrected
reference (rpm)
Max limit
Min limit
COMM
REF (%)
100500
1500
750
0
1200
300
AI = 50%
AI = 0%
AI = 100%
COMM
REF (%)
0
-750
-1500
-100 -50 0
-300
-1200
Corrected
reference (rpm)
Max. limit
Min. limit

Table of Contents

Other manuals for ABB ACS355 series

Related product manuals