ABB ACS880-04XT User Manual

656 Control chain diagrams
Frequency reference selection
Local control
28.41 Frequency ref safe
Safe frequency reference command
Network control
Network reference
03.01 Panel reference
Mul
Add Sub
Min
Max
Ref 1
28.96 Frequency ref act7
Value
28.90 Frequency ref act 1
Value
28.92 Frequency ref act3
Value
Fieldbus: ODVA CIP™
Value
Selection
28.11 Frequency ref1 source
28.12 Frequency ref2 source
28.14 Frequency ref1/2 selection
Selection
AND AND
Panel comm loss active
Panel as local control device
Fieldbus comm loss active
Control from Fieldbus active
49.05 Communication loss action = Speed ref safe
50.02 FBA A comm loss func = Speed ref safe
28.22 Constant frequency sel1 28.23 Constant frequency sel2 28.24 Constant frequency sel3
28.26 Constant frequency 1 28.32 Constant frequency 7 28.31 Constant frequency 6 28.29 Constant frequency 4 28.27 Constant frequency 2 28.30 Constant frequency 5 28.28 Constant frequency 3
BIN TO INT SEL
b0 b1 b2
0
1
2
3
4
5
6
7
0
28.91 Frequency ref act 2
Selection
28.21 Constant frequency function bit 0 Const freq mode
Value Value Value Value Value Value Value
Selection Selection Selection
Value 06.16 bit 8
Value
0
1
2
3
0
INT SEL
1 2 3
28.26 Constant frequency 1 28.27 Constant frequency 2 28.28 Constant frequency 3
Value Value Value
OUT
06.16 bit 9
AND
AI outside supervised limit
12.03 AI supervision function = Speed ref safe
12.04 AI supervision selection  0000b
OR
28.13 Frequency ref1 function
Selection
28.22 Constant frequency sel1 28.23 Constant frequency sel2 28.24 Constant frequency sel3
Selection Selection Selection
AND
x
1
-1
28.21 Constant frequency function bit 1 Direction enable
Direction (See group 20 Ext1& Ext2 commands)

ABB ACS880-04XT Specifications

General

Brand	ABB
Model	ACS880-04XT
Category	Controller
Language	English