Frequently Asked Questions

Frequently Asked Questions
Frequently Asked Questions
Det-Tronics FlexVu™ UD10 Universal Display
1. What is the FlexVu™ Model UD10 Universal Display?
The FlexVu UD10 is a universal display that provides display, output, and control capabilities for various
stand-alone Det-Tronics 4-20 mA gas detection devices, with or without HART. For combustible gases,
use FlexVu UD10 with PointWatch IR (PIR9400), PointWatch Eclipse® IR (PIRECL), Open Path Eclipse
IR (OPECL), and the Catalytic Combustible sensor (CGS) via the 505 transmitter. For toxic gases, FlexVu
UD10 works with the NTMOS hydrogen sulfide sensor, the electrochemical C706x series (C7065E O2
detector is not supported), and the soon-to-be-released GT3000 toxic sensors.
2. Can the FlexVu UD10 be used with sensing devices other than those listed in
question 1?
Future releases of the FlexVu Universal Display will have the ability to be used with additional sensing devices
that generate a linear 4-20 mA output.
3. Will FlexVu UD10 accept a device with non-linear analog output or relay output?
No. The FlexVu UD10 will only accept a 4-20 mA input.
4. Is the FlexVu UD10 compatible with existing Det-Tronics gas controller?
Yes, provided the controller accepts 4-20 mA signals.
5. What is the power consumption of the FlexVu UD10?
Heater off: 2 watts @ 24 Vdc (alarm relays off, 4 mA output). 4 watts @ 24 Vdc (alarm relays on, 20 mA output).
Heater on: 5.5 watts @ 24 Vdc (alarm relays off, 4 mA output). 7 watts @ 24 Vdc (alarm relays on, 20 mA output).
6. When connecting a PIRECL to the FlexVu UD10, can you access the HART
communication information from the PIRECL?
The FlexVu UD10 does have a slave HART interface, but it is not a pass-thru from the PIRECL. The pertinent
information from the PIRECL is mapped over and is available from the UD10 HART interface. HART menus
showing primary commands and options for the UD10 with each detector option are available in the appendixes of
the UD10 instruction manual.
7. Is the FlexVu HART device descriptor (DD) supported in AMS Device Manager?
The FlexVu UD10 AMS interface is still under development and will not be available until sometime in 2009.
Even if the FlexVu UD10 is used with PIRECL or OPECL, it will be the UD10 interface, not the detector interface,
when the device is communicating with the AMS Device Manager server.
8. How do you calibrate a gas detector using a HART 375 Field Communicator?
Follow the specific device menu structure in the appendix of the FlexVu display instruction manual (95-8618).
9. Does the FlexVu UD10 support sensor separation?
Yes. A sensor termination box is available that is desibned specifically for remote sensor mounting applications.
Contact your local Det-Tronics sales representative for guidance in selecting the proper termination box for specific
sensor types and applications.
53-1008-01
Detector Electronics Corporation * 6901 West 110th Street * Minneapolis, MN 55438 USA
Tel: 952.941.5665 * FAX: 952.829.8750 * web: www.det-tronics.com
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Frequently Asked Questions
Det-Tronics FlexVu™ UD10 Universal Display
10. What is the recommended calibration practice when using an STB junction box?
Use the onboard LEDs of the detector/transmitter or a HART 375 Field Communicator.
11. Is there a typical Modbus RS485 electrical connection drawing/user’s guide?
Refer to the Modbus Communication addendum 95-8639 available on the web portal in the Sales Toolbox.
12. Where can I find the Modbus register maps for the FlexVu display?
Refer to the Modbus Communication addendum 95-8639 available on the web portal in the Sales Toolbox.
13. Can I use the FlexVu display in an Eagle Quantum Premier® (EQP) system?
Yes. Release #2 will offer a fully integrated EQP model. Until then, the 4-20 mA signal out of the FlexVu UD10
can go through an AIM or DCU unit.
14. Can the display be read at night or in a dark location?
Yes. The LCD on the FlexVu display is backlit. The backlight is initiated automatically if there is an alarm
(flashing light), a fault (solid light), or if the FlexVu display is accessed by the magnetic tool.
15. What logging capability does the FlexVu display have?
Events that can be logged in the FlexVu display include: 1.) Calibration – date, time, and success (Y/N) 2.) Faults –
detector, low power, general 3.) Alarms – high gas, low gas, aux alarm.
16. How do you view the history/event logs and how many can be stored?
The event logs can be viewed on the FlexVu display or a 375 Field Communicator or downloaded via RS485 to a
gas inspector program. 1,000 event/alarm logs total can be stored. After 1000 are logged, the oldest will be deleted
as new ones are initiated. Extract and save the event logs via a gas inspector program.
17. If I use a non-HART detector, can I get HART information from the FlexVu UD10?
Yes. The UD10 will still give a 4-20 mA signal with HART. The detector information will be limited; but, you can
still access calibration and event log information.
18. When using the FlexVu display with a detector that can be calibrated (such as
PointWatch Eclipse) where should one initiate the calibration command?
You can calibrate the detector at the FlexVu UD10 or at the detector.
19. Is the FlexVu display compatible with the Catalytic Gas Sensor (CGS)?
A future release will provide this functionality. Until then, use the Model 505 combustible transmitter with the
FlexVu UD10.
Det-Tronics, the DET-TRONICS logo, and FlexVu are registered trademarks or trademarks of Detector Electronics Corporation in the United States, other countries, or both. Other company, product, or service
names may be trademarks or service marks of others.
53-1008-01
Detector Electronics Corporation * 6901 West 110th Street * Minneapolis, MN 55438 USA
Tel: 952.941.5665 * FAX: 952.829.8750 * web: www.det-tronics.com
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