Tuning Of Pressure Control Performance With Fixed Pi Control - VAT 615 Series Installation, Operating, & Maintenance Instructions
Butterfly control & isolation valve with extended control range with rs232 interface
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3.11.2 Tuning of pressure control performance with fixed PI control
Normally the default settings will result in good pressure control performance. For some applications tuning may be
required to improve performance.
The tuning procedures for each parameter (grey boxes) and its default values are described separately below. Strictly
keep the order of the procedure.
Start
Set P-Gain / I-Gain to
default value and valve
speed to maxium
Pressure
control
ok ?
No
P-Gain to
adjustment
Pressure
control
ok ?
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1.5"), RS232
I-Gain to
adjustment
No
Valve speed
adjustment
No
Pressure
control
ok ?
Contact
End
VAT
289112EA
2011-07-07
41/95
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