GASMAX II + GDS-IR Operation & Maintenance Manual, Revision 1.1
Page 33
WARNING:
E CEE I G E O ’ E E CI IO VO GE M Y M GE O E OY HE
SENSOR.
Figure 7-13: Sensor Balance & Voltage Set Menu
SET GAIN TO UNITY
clears any prev
ious calibration O E and G I values to “ . ” and “ . ”,
respectively. This item is useful if a previous calibration was done in error, or if screen readings appear
incorrect for no apparent reason.
WARNING:
A FULL CALIBRATION SHOULD ALWAYS BE PERFORMED AFTER A SET UNITY COMMAND.
Figure 7-14: Set Gain To Unity Menu
PREAMP GAIN SET
allows adjustment of the analog amplifiers that match the sensor output to the
optimum input range for the GASMAX II signal conditioning circuits. Local Smart Sensors include factory-
preset preamp gain values and for standard sensors and applications, these values should not be changed.
ZERO CAL VALUE
should always be set to “ ”.
RAW MIN / MAX COUNTS
is factory preset and should not be changed.
MARKER ACTIVE
enables an input level monitor on the channel 2 input if the input is set to accept a 4-
20mA signal. If Marker Active is set the YES, the following actions may be programmed to occur when the
input signal matches the Marker Level setting.
MARKER TX LED
will cause the TX LED to illuminate if the 4-20mA input matches the Marker Level
setting.
MARK LEVEL
is the value at which the Marker is active. The input must be /- 1% of this value to
be active. Setting is in mA.
MARK AS MESSAGE
is a text message string that appears on the LCD when the input level matches the
Marker Level setting.
* * * * * W A R N I N G * * * * *
P r e v i o u s
C a l i b r a t i o n
w i l l
b e
e r a s e d .
E D I T
t o
c o n f i r m .
N E X T
t o
e x i t .
G a i n = U n i t y
E D IT
Содержание GASMAX II + GDS-IR
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