Fieldbus control with embedded fieldbus
251
Reference correction examples for DCU profile
With DCU profile the fieldbus reference type can be Hz, rpm or percent. In the
following examples the reference is in rpm.
Setting
When COMM > 0 rpm
When COMM < 0 rpm
COMM+AI1
COMM/1000 + (AI(%) -50%) · (MAX-MIN)
COMM/1000+ (AI(%) -50%) · (MAX-MIN)
Maximum limit is defined by parameter
REF1 MAX /
Minimum limit is defined by parameter
REF1 MIN /
REF2 MIN.
750000
1500 rpm
750 rpm
150000
COMM
AI = 50%
AI = 100%
AI = 0%
0
REF
Min limit
Corrected
reference
0 rpm
Max limit
-750000
-1500 rpm
-750 rpm
-150000
AI = 50%
AI = 0%
AI = 100%
0
COMM
REF
Max limit
Min limit
Corrected
reference
0 rpm
750000
1500 rpm
750 rpm
150000
AI = 50%
AI = 100%
AI = 0%
0
1200 rpm
300 rpm
COMM
REF
Max limit
Min limit
0 rpm
Corrected
reference
-750000
-1500 rpm
-750 rpm
-150000
AI = 50%
AI = 0%
AI = 100%
0
-1200 rpm
-300 rpm
COMM
REF
Max limit
Min limit
0 rpm
Corrected
reference
Summary of Contents for ACS350 Series
Page 1: ...ACS350 User s Manual ACS350 Drives 0 37 22 kW 0 5 30 HP ...
Page 4: ......
Page 8: ...Safety 8 ...
Page 18: ...Table of contents 18 ...
Page 24: ...Hardware description 24 ...
Page 44: ...Installation checklist 44 ...
Page 56: ...Start up control with I O and ID Run 56 ...
Page 140: ...Program features 140 ...
Page 242: ...Actual signals and parameters 242 ...
Page 266: ...Fieldbus control with embedded fieldbus 266 ...
Page 284: ...Fault tracing 284 ...
Page 288: ...Maintenance and hardware diagnostics 288 ...
Page 309: ...Dimensions 309 Frame size R2 IP20 NEMA 1 3AFE68586658 A Frame size R2 IP20 NEMA 1 VAR EMC ...
Page 311: ...Dimensions 311 Frame size R3 IP20 NEMA 1 3AFE68579872 B Frame size R3 IP20 NEMA 1 VAR EMC ...
Page 313: ......