SENSseries LB 480 Level measurement
BERTHOLD TECHNOLOGIES GmbH & Co. KG
3 – 409
Volume 3 6 Functional Processes
3
Risk of fatal injury due to electric shock!
If the housing is open you may come into contact with live parts if
the power supply is connected.
The Master Reset has to be carried out with open housing cover
and the power supply turned on. Power supply is applied to the ter-
minals 1 to 4.
Furthermore, high voltage is present in the area of the base of the
board for the photomultiplier.
Perform Master Reset 1. Disconnect detector from mains.
2. Open housing.
3. Plug bridge on connector "F" (the connector is located on the
CPU board next to the large capacitor).
4. Turn detector on and wait 10 seconds.
5. Turn detector off again.
6. Pull bridge off connector "F".
7. Turn detector on and wait 10 seconds.
8. Turn detector off again.
9. Connect HART
®
Communicator to the current output in the ter-
minal compartment.
10. Turn detector on again and wait 10 seconds.
11. Acknowledge error message on HART
®
Communicator.
12. Enter License Key new, menu Device Config Setup
Service License Key, see chapter 2.35, page 3-363.
13. Adjust current output with multimeter, menu Device Config
Setup I/O Setup Current Out
D/A trim, see
chapter 2.29, page 3-355.
The adjustment is absolutely essential, even if the current output
appears to be OK.
14. Enable monitoring of the 4-20 mA current signal (set to
ENABLED), menu Device Config Setup I/O Setup
Current Out
Current Loop Monitoring.
15. Set Detector Code, menu Device Config Setup Sensor
Configuration Sensor Settings Detector Code, see
page 2-166.
16. Set HV Default, see chapter 5.1.2.
This completes the reset, the detector is now ready for cali-
bration.
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