Det-Tronics UD10 FlexVu Explosion-Proof Universal Display Unit - Manual (Page 40)

H-3 95-8661 4.2
chAnGinG operAtinG moDes
When used with a PIR9400, the operating mode of
the UD10 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
Display:
1. Using the magnet to activate the switches on the
UD10 display, navigate to the “Calibration” menu.
Main Menu
Process Vars
Display Status
Device Status
Display Setup
Device Setup
Device Cal
Display Test
Device Test
Device Cal
Calibration
Calibration
Execute
Abort
2. Activate “Execute” (Enter/Select) to start calibration.
3. The UD10 will display “Waiting for Zero” on the main
display screen.
4. The UD10 will then display “Waiting for Gas” on the
screen.
5. Apply calibration gas to the PIR9400.
6. The UD10 will continue to display “Waiting for Gas”
on the screen.
7. When the UD10 displays “Remove Cal Gas” on
the screen, remove the calibration gas from the
PIR9400.
8. The UD10 automatically returns to the normal mode
after successful calibration.
To initiate calibration from the PIRTB Termination Box
while monitoring calibration using the UD10 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 will display “Waiting for Zero” on the main
display screen, with a steady red LED at the PIRTB.
3. The UD10 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 will display “Waiting for Span” on the
screen, with a red flashing LED at the PIRTB.
6. When the UD10 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 automatically
returns to the normal mode, and the LED on the
PIRTB remains off.
UD10 mA Output During Calibration
(UD10 with pIR9400)
UD10 Display Reading
Standard
mode
Replicate
mode
Waiting for Zero 3.8 2.2
Waiting for Gas 3.8 3.8
Waiting for Span 3.8 3.8
Remove Cal Gas 3.8 3.8
back to normal 4.0 4.0
CALIBRATE SWITCH
B2056
HOLD CALIBRATION MAGNET
AT OUTSIDE BASE OF JUNCTION
BOX AT THIS LOCATION
TO ACTIVATE CALIBRATION SWITCH
REMOTE LED
PiRTb Termination box