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Changing operating modes, Calibration, Menu structure – Det-Tronics UD10 DCU Emulator FlexVu Universal Display Unit User Manual

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4.2

chAnGinG operAtinG moDes

When used with a PIR9400, the operating mode of the

UD10-DCU must be changed from “HART Device” to

“PIR9400” mode. Refer to the “Startup” section of this

manual for details.

cAlibrAtion

To initiate calibration of the PIR9400 from the UD10-DCU

Display:

1. Using the magnet to activate the switches on the

UD10-DCU display, navigate to the “Calibration”

menu.

Main Menu
Process Vars
Display Status
Device Status
Display Setup
Device Setup
Device Cal
Display Test

Device Cal

Calibration
Cal Gas Conc

Calibration

Execute
Abort

2. Activate “Execute” (Enter/Select) to start calibration.

3. The UD10-DCU will display “Waiting for Zero” on the

main display screen.

4. The UD10-DCU will then display “Waiting for Gas”

on the screen.

5. Apply calibration gas to the PIR9400.

6. The UD10-DCU will continue to display “Waiting for

Gas” on the screen.

7. When the UD10-DCU displays “Remove Cal Gas”

on the screen, remove the calibration gas from the

PIR9400.

8. The UD10-DCU automatically returns to the normal

mode after successful calibration.

To initiate calibration from the PIRTB Termination Box

while monitoring calibration using the UD10-DCU

display:

1. Using the magnet, activate the magnetic calibration

switch on the PIRTB Termination Box. The LED at

the PIRTB turns from off to steady red.

2. The UD10-DCU will display “Waiting for Zero” on

the main display screen, with a solid red LED at the

PIRTB.

3. The UD10-DCU will then display “Waiting for Gas”

on the screen, while the LED at the PIRTB is flashing

red.

4. Apply calibration gas to the PIR9400 detector.

5. The UD10-DCU will display “Waiting for Span” on

the screen, with a red flashing LED at the PIRTB.

6. When the UD10-DCU displays “Remove Cal Gas”

on the screen and the LED at the PIRTB turns off,

remove the calibration gas.

7. After successful calibration, the UD10-DCU

automatically returns to the normal mode, and the

LED on the PIRTB remains off.

menu structure

UD10-DCU with PIR9400 Pointwatch Detector
Refer to the following menu when using the

UD10-DCU’s LCD display and internal magnetic

switches.

menu HeLp

Status menus only allow the user to view the data.
The Setup menus allow the user to both view and
edit the data.

CALIBRATE SWITCH

B2056

HOLD CALIBRATION MAGNET

AT OUTSIDE BASE OF JUNCTION

BOX AT THIS LOCATION

TO ACTIVATE CALIBRATION SWITCH

REMOTE LED

PIRTB Termination Box