Woodward 505HT, Инструкция по установке и эксплуатации

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Manual 35116 505HT for Pelton Turbines
Woodward 98
Table 4-20. Small System Detection PID Configuration Settings
P 1.6 (0.001, 50.0)
Visibility: Always The Proportional Gain Input determines the gain of the
proportional component of the block's response.
User Level: Service
I
0.09 (0.001, 50.0)
Visibility: Always
The Integral Gain Input determines the gain of the integral
component of the block's response.
User Level: Service
D
100.0 (0.01, 100.0)
Visibility: Always The Speed Derivative Ratio (S_D_R) input affects the derivative
component of the block's response.
User Level: Service
FF Gain
1.0 (0.0, 5.0)
Visibility: Always Set the Feed Forward gain.
User Level: Service
Error Gain
1.0 (0.5, 3.0)
Visibility: Always Set the Error gain to the PID control.
User Level: Service
The operator can navigate between the other PID´s screens pressing the soft key with right arrow.
To change the settings of the trend press the soft key “Settings” and the below screen will pop up.
Figure 4-29. Small System Detection PID Settings Screen
Output ranges: change the Minimum and Maximum range of the PID output.
SP/PV Range: change the minimum and maximum range of the setpoint and PV (Position or Load).
Time span: change the time span of the trend.
Press the soft key “Step Test” to open the step test screen. This is a helpful tool in the tuning of the PID.
Read the “Step test Screen” explanation below to understand how this screen works.
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