ABB ACS355 - Page 309

Fieldbus control with embedded fieldbus 309
COMM
*AI1
COMM(%) · (AI(%) / 50%) · (MAX-MIN) +
MIN
COMM(%) · (AI(%) / 50%) · (MAX-MIN) -
MIN
Maximum limit is defined by parameter 1105 REF1 MAX / 1108 REF2 MAX.
Minimum limit is defined by parameter 1104 REF1 MIN / 1107 REF2 MIN.
Setting When COMM > 0When COMM < 0
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 (%)
0
-750
-1500
-100 -50 0
Max. limit
Min. limit
Corrected
reference (rpm)
AI = 50%
AI = 100%
AI = 0%
Corrected
reference (rpm)
Ma.x 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
Max. limit
Min. limit
Corrected
reference (rpm)