gefran VDI100 Series User Manual

Parameter 10-00 and 10-01 cannot be set to the same source. If both parameters are set to the same source
the keypad will show a SE05 alarm.
Code Parameter Name / Range
10-27 PID Feedback Display Bias
-99.99~99.99
10-28 PID Feedback Display Gain
0.00~100.00
PID Feedback Display Scaling
The PID feedback signal can be scaled to represent actual engineering units. Use parameter 10-28 to set the
feedback signal gain for the feedback signal range maximum and parameter 10-27 to the feedback signal
minimum.
Example:
Feedback signal is a pressure transducer (0-10V or 4-20mA ) with a range of 1.0 – 20.0 PSI
4mA (0V) = 1.0 PSI, 20mA (10V) = 20.0 PSI.
Set parameter 10-27 to 1.0 minimum of transducer range (0%).
Set parameter 10-28 to 20.0 maximum of transducer range (100%).
Refer to the gure 4.4.84 for displaying the unit conversion.
Figure4.4.84Feedbacksignalscaling
Feedback
Signal
10V
( 20mA )
0V
( 4mA )
10-28
10-27
Display unit
Code Parameter Name / Range
10-30 Upper Limit of PID Target
0 ~ 100 %
10-31 Lower Limit of PID Target
0 ~ 100 %
Target value of PID will be limited to the range of upper & lower limit of PID target.
Code Parameter Name / Range
10-33 Maximum Value of PID Feedback
1~10000
When the maximum value of PID feedback is active, it will become 100% the corresponding value of 10-02.
Code Parameter Name / Range
10-34 PID Decimal Width
0~4
PID decimal width is used for rounding up setting. For example: set 10-34=1, it displays XXX.X ; set 10-34=2, it
displays XX.XX.
222 VDI100 • Instruction manual

gefran VDI100 Series Specifications

General

Brand	gefran
Model	VDI100 Series
Category	Inverter
Language	English