Appendix B: Flow Diagram Of Set-Up State User Interface - Xentaur XDT User Manual

Appendix B: Flow Diagram of Set-Up State User Interface

Power-Up with
Power ON initialization
MODE
and sign on message
key depressed
SET
ALT/DSP
units
SET
SEN/XT1
sensor type
DB/
SET
Lo -16.24
˚C˚F
changes by 0.01 db
SET
-80.0
Lo
˚C
DEWPOINT
changes by 0.1˚C
SET
CAL/ADJ
A.O./SPN/
SET
0.24 OR 4.20
selection
Hi/Lo
A.O./TST
Test
Current Loop
OK
Output
Hi Lo Mid
A.O./RNG/
SET
Lo
value
˚C
changes by 0.1˚C
SET A.O./RNG/
Hi
value
˚C
changes by 0.1˚C
SET
UN/LOC
Resets the
instrument
Un- Lock
Lock
SET
SET
OPN
CNF/CBL/OPN
Open cable at BNC connector
/
Legend: A slash ' ' in the display area, is used to depict two alternately shown (flashing back and forth) messages.
denotes beeping. Buttons without designator or arrow leading out, perform no function
appears when changing
LOC
settings of locked unit
Choose alternate units to show when displaying dewpoint.
blank ˚F ˚C ppm LBS
Factory default is blank, (there is no alternate display).
XT1 XT6
XTR-100 XTR-65
Set measured attenuation at a known low dewpoint
Set low dewpoint for above attenuation
SET if no buttons pressed for
-1.15X
3 seconds shows the
dewpoint for a moment.
changes by 0.01 units
Select Span of Analog output: 0 to 24mA or 4 to 20mA
Hi/Lo
A.O./OPN
Circuit
Open
Set dewpoint corresponding to low end of analog output
Factory default is low range of sensor, e. g. -100˚C for XTR-100
Set dewpoint corresponding to high end of analog output
Factory default is high range of sensor, e. g. +20˚C for XTR-100
Lock or unlock the instrument.
When locked, instrument parameters can not be changed.
Factory default is locked.
Cable Length Compensation.
SET
SET
SHR
CNF/CBL/SHR
Short cable at BNC connector
39
XDT User's Manual Appendices
4 min anywhere without
key press
G/m3 PSI % ˚C˚F Temp˚F
Choose sensor type
DB
measure
attenuation of
sensor
Calibration Midrange Adjust.
Test Analog Output by forcing it to
high, low or midpoint.
(E. G. if Span is 4 to 20, Hi =20mA, Lo=4mA, Mid=12mA)
SET
SET
CNF/CBL/OPN
Open cable at BNC connector
go to
Operating
State
Temp˚C
SET
END
OPN