ACH550-UH User’s Manual 1-153
Parameters
4007 UNIT SCALE 0…4 1 1
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 Depends on Units - 0.0%
and Scale
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 Depends on Units - 100.0%
and Scale
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
Code Description Range Resolution Default S
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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