DVC6200 Digital Valve Controller
Instruction Manual
June 2011
D103409X012
If after completing setup and calibration the valve seems slightly unstable or unresponsive, you can improve operation by pressing the Hot Key and selecting Stabilize/Optimize, or select Stabilize/Optimize from the Basic Setup menu (for instrument level HC only). Stabilize/Optimize can be accessed through the Detailed Setup menu for instrument level AD, PD, and ODV. Stabilize/Optimize permits you to adjust valve response by changing the digital valve controller If the valve is unstable, select Decrease Response to stabilize valve operation. This selects the next lower tuning set (e.g., F to E). If the valve response is sluggish, select Increase Response to make the valve more responsive. This selects the next higher tuning set (e.g., F to G). If after selecting Decrease Response or Increase Response the valve travel overshoot is excessive select Decrease Damping to select a damping value that allows more overshoot. Select Increase Damping to select a damping value that will decrease the overshoot. When finished, select Done.
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