Reference Handling; Actual Value Scaling - ABB ACS310 User Manual

272 Fieldbus control with embedded fieldbus
Setting
COMM COMM(%) · (AI(%) / 50%) · (MAX-MIN) +
*AI1 MIN
Corrected
reference (Hz)
50
AI = 100%
25
0
0%
Corrected
reference (Hz)
50
40
AI = 100%
25
10
0
0%
Maximum limit is defined by parameter
Minimum limit is defined by parameter
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When COMM > 0
Max limit
AI = 50%
Min limit
AI = 0%
50% 100%
COMM
REF (%)
Max limit
AI = 50%
Min limit
AI = 0%
COMM
REF (%)
50% 100%
When COMM < 0
COMM(%) · (AI(%) / 50%) · (MAX-MIN) -
MIN
COMM
-100%
REF (%)
Min limit
Max limit
COMM
-100%
REF (%)
Min limit
Max limit
REF1 MAX /
1105 1108
REF1 MIN /
1104 1107
-50% 0%
0
AI = 0%
-25
AI = 50%
AI = 100%
-50
Corrected
reference (Hz)
-50% 0%
0
AI = 0%
-10
-25
AI = 100%
AI = 50%
-40
-50
Corrected
reference (Hz)
REF2 MAX.
REF2 MIN.