ABB ACH550-UH User Manual page 157

ACH550-UH User's Manual
Code Description
4007 UNIT SCALE
Defines the decimal point location in PID controller actual values.
• Enter the decimal point location counting in from the right end of the
entry.
• See the table for an example using pi (3.14159).
4008 0% VALUE
Defines (together with the next parameter) the scaling applied to the
PID controller's actual values (PID1 parameters 0128, 0130 and
0132).
• Units and scale are defined by parameters 4006 and 4007.
4009 100% VALUE
Defines (together with the previous parameter) the scaling applied to the PID controller's actual values.
• Units and scale are defined by parameters 4006 and 4007. See parameter 4008.
Group 40: Process PID Set 1
Range
0...4
Depends on Units
and Scale
Depends on Units
and Scale
Resolution Default
1 1
4007 value
0
1
2
3
4
- 0.0%
Units (P4006)
Scale (P4007)
P 4009
P 4008
0%
-1000.0%
- 100.0%
1-153
S
Entry Display
00003 3
00031 3.1
00314 3.14
03142 3.142
31416 3.1416
+1000.0%
100%
Internal scale (%)
Parameters