Technical Specifications

ValVueFF Software Interface to FVP
180
GE Energy
Exiting Failsafe
Use this procedure to exit the failsafe mode for cases two and four:
Step One
1. Restore the air supply or correct actuator problem.
2. Check that the pneumatics are working correctly.
3. Move the Failsafe dialog box to one side of the screen to uncover the IVI display. If
the PID dialog box is open, close it.
4. Record the Actual Position. An example is 103.41%. In this extreme example, the
valve calibration allows for large over-travel between the open stop and 100%
position.
Step Two
This step requires permission level 3,4,8 or 9:
1. Open the Operation State dialog box.
2. Select Manual
3. Select OK.
4. Enter the Actual Position value in the Set Point text box.
5. Select OK.
6. If the Failsafe dialog box changes to Clear (Latched), select the Clear Latch button.
The dialog box requests a change to OOS.
7. Select Yes. If the Failsafe dialog box remains in Active, (Latched), proceed to the next
step.
Step Three
This step requires permission level 3,4,8 or 9:
1. Open the Configuration dialog box.
2. Select the Position tab.
3. Set the Full Open Above (FAO) and Position Low Limit parameters to +10 higher than
the Actual Position recorded in Step 3.
4. Set the Time 2 parameter to -1.
5. Select OK to accept the changes.
6. Select Yes when a dialog box warns of a change to OOS state.The Failsafe dialog
box changes to Clear (Latched).
7. Select the Clear Latch button.
8. Close the Failsafe dialog box.