280
Parameter listing and descriptions
ACH550-01 User's Manual
4006
UNIT 0…127
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
0…4
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).
4008
0% VALUE
unit and scale defined
by par. 4006 and 4007
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.
4009
100% VALUE
unit and scale defined
by par. 4006 and 4007
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.
Code Description
Range
4007 Value
Entry Display
0
00003 3
1
00031 3.1
2
00314 3.14
3
03142 3.142
4
31416 3.1416
Internal scale (%)
P 4009
P 4008
100%
0%
Units (P4006)
Scale (P4007)
-1000.0%
+1000.0%
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