Maintenance and Troubleshooting
July 2009
6-9
DVC2000 Troubleshooting Checklist
1. Instrument serial number as read from nameplate ________________________________________________
2. Is the digital valve controller responding to the control signal? Yes _________ No _________
If not, describe
3. Measure the voltage across the “+11” and “−12” terminal box screws when the commanded current is 4.0 mA
and 20.0 mA: V @ 4.0 mA V @ 20.0 mA.
(These values should be around 8.0 V @ 4.0 mA and 8.25 V @ 20 mA.)
4. Is the front panel LCD functional? Yes _________ No _________
5. Is it possible to communicate with the DVC2000 via the LUI pushbuttons? Yes _________ No _________
6. Are Travel, Input Signal, and Output Pressure in the LCD shown correctly? Yes _________ No _________
7. Is it possible to communicate via HART to the DVC2000? Yes _________ No _________
8. What is the Diagnostic Tier of the digital valve controller? AC ____ HC____ AD____ PD____
9. What is the firmware version of the DVC2000?
10. What is the hardware version of the DVC2000?
11. Is the digital valve controller’s Instrument Mode “In Service”? Yes _________ No _________
12. Is the digital valve controller’s Control Mode set to “Analog”? Yes _________ No _________
13. What are the following parameter readings?
Input Signal _________ Drive Signal _________% Pressure _________
Travel Target _________ Travel _________%
14. What are the following alert readings?
Fail alerts _______________________________________________________________________________
Valve alerts _____________________________________________________________________________
Operational status ________________________________________________________________________
Alert event record entries __________________________________________________________________
15. Export ValveLink data (if available) for the device (Status Monitor, Detailed Setup, etc.).
Mounting
1. Actuator application: Sliding Stem? _______ Rotary? _______
2. What Make, Brand, Style, Size, etc. actuator is the DVC6000 SIS mounted on? ________________________
3. What is the Mounting Kit part number? _________________________________________________________
4. If mounting kits are made by LBP/Customer, please provide pictures of installation.
5. If sliding stem:
What is the full travel of the valve? _____________
Which Magnet Array? 25 mm (1 inch)_____ 50 mm (2 inch) _____ 100 mm (4 inch) _____
Does the Magnet Array move through marked areas? Yes _________ No _________
6. If Rotary: Is the actuator rotation 90? Yes _________ No _________
6
To Next Page
Loading...
