Technical Specifications

113
Calibrating
Calibration Services
Calibrating
1. Perform Auto or Manual stops procedures to clear previous calibration adjustments.
2. Select 0% Calibration (Figure 93). Move the valve by:
a. Entering a value in the Target Pos text box.
b. Selecting Set, until the valve is in the desired closed position.
c. Jogging the valve by selecting the Increment change amount, 0.1 for example,
shown in Figure 93.
d. Selecting the up or down arrow beside the Change to % text box.
e. Selecting Set.
f. Repeating until the valve is at the desired 0% position. It is not necessary to
select OK when using the increment arrows.
Figure 93 Increment the Closed Position - 0% Calibration
3. Refer to the mechanical travel indicator on the valve and select the Apply Calib
button. A dialog box appears to confirm that you want to apply the calibration.
Derivative .22 0 (disables); 0.05 to 1.0 Seconds
Derivative Gain 5 2 to 20 Dimensionless
Dead Zone 0 0 to 50
Table 10 Servo Tuning Parameter Ranges (Continued)
Parameter Defaults Range Units