ABB ACS550 - Page 237

ACS550 User’s Manual 237
Fieldbus adapter
REF1 COMM
*
AI1 COMM (%) · (AI (%) / 0.5 · REF1 MAX (%))
REF2
COMM+AI1 COMM (%) + (AI (%) - 0.5 · REF2 MAX (%))
REF2
COMM
*
AI1 COMM (%) · (AI (%) / 0.5 · REF2 MAX (%))
ABB Drives profile (FBA)
Reference Value setting AI reference scaling
0% 50%
200%
(100 - 0.5 · (par. 1105))%
100%
100%
AI1 input signal
Fieldbus reference
correction coefficient
0% 50%
(100 + 0.5 · (Par. 1108)%
(100 - 0.5 · (par. 1108)%
100%
100%
AI1 input signal
Fieldbus reference
correction coefficient
0% 50%
200%
0%
100%
100%
AI1 input signal
Fieldbus reference
correction coefficient