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Readout Deadband allows forcing low values to continue to read zero. This is useful when
there are small amounts of background gases that cause fluctuating readouts above zero. The
highest amount of deadband allowed is 5%. The 4-20mA output is not affected by this menu
item.
Track Negative, set to NO, causes negative values to read the Zero (0%) value in data
displays. The CAL MODE readout displays negative values regardless of this setting and
negative values below the Fault setpoint will still cause the Fault alarm to trip. The 4-20mA
output always locks at 4mA when the reading is negative.
Linearization Data allows nonlinear signals to be linearized by entering the correct curve into
the AMC-DTR (Figure 21). If Linearize is set for NO, the CURVE POINTS menu data is not
used and no linearization is applied. When YES, the CURVE POINT entries are used and a
straight-line approximation is calculated between each of the 9 entries.
provides 0% output and 100% input always provides 100% output. To prevent accidental data
entry, a special keystroke sequence of 4 consecutive UP keys are required to enter this menu.
Figure 21: Linearization Menu
Backup Config. allows users to store the entire current AMC-DTR menu database into non-
volatile memory for restoration later if incorrect values are accidentally entered or uploaded.
Restore Config. restores the AMC-DTR menu database to the values from the most recent
Backup Config. The special keystroke sequence of 4 consecutive UP keys is also required to
perform backup and restore operations.
Upload Sensor Data. allows manually uploading the entire smart sensor database to the AMC-
DTR from the smart sensor.
7.4 Alarm Settings
The Alarm Settings page has the Alarm 1, 2, 3 Setups, Relays and Event Log submenus
shown in Figure 22. Alarm 1, Alarm 2 and Alarm 3/Fail menus are identical and therefore
described only once in this section.
IMPORTANT: Alarm functions and their associated LED's are active without the DTR-10-0234
Relay / ModBus option installed.
AMC-DTR Sensor Transmitter User Manual
E n t e r
K e y
S e q u e n c e
t o
a c c e s s
me n u .
* * * *
N E X T
k e y
t o
E x i t .
S e e
Ma n u a l
C U R V E
P OI N T S
PRESS
UP KEY
L i n e a r i z e
?
N O
4-TIMES
D a t a
P o i n t
1
%
I n p u t
10 . 0 0
%
Ou t p u t
10 . 0 0
23
0% input always
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