ABB ACH550-01 User Manual page 285

Code Description
4006 UNIT
Selects the unit for the PID controller actual values. (PID1 parameters
0128, 0130 and 0132).
• See parameter 3405 for list of available units.
4007 UNIT SCALE
Defines the decimal point location in PID controller actual values.
• Enter the decimal point location counting from the right end of the
entry.
• See the table for an example using pi (3.14159).
4007 Value
0
1
2
3
4
4008 0% VALUE
Defines (together with the next parameter) the scaling applied to the
actual values of the PID controller (PID1 parameters 0128, 0130 and
0132).
• Units and scale are defined by parameters 4006 and 4007.
Units (P4006)
Scale (P4007)
P 4009
P 4008
-1000.0%
4009 100% VALUE
Defines (together with the previous parameter) the scaling applied to
the actual values of the PID controller.
• Units and scale are defined by parameters 4006 and 4007.
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Entry Display
00003 3
00031 3.1
00314 3.14
03142 3.142
31416 3.1416
0%
Parameter listing and descriptions
ACH550-01 User's Manual
Range
0...127
0...4
unit and scale defined
by par. 4006 and 4007
+1000.0%
Internal scale (%)
100%
unit and scale defined
by par. 4006 and 4007