51-638 Echotel Model 338 Two-Wire Ultrasonic Transmitter
6
1.5.2
QuickSet Configuration
NOTE: Configuration can only be done when the unit is receiving a
good return signal and the ECHO LED is lit.
Many level applications are easily set up by using the
QuickSet Configuration
. Open channel flow, volume, or
more detailed level configuration is performed by using
Section 1.6, Complete Configuration.
The following six
parameters can be set by using
QuickSet
:
1. Engineering units of feet or meters (other units can be
selected by using the Complete Configuration)
2. Range (maximum measuring distance)
3. 4 mA setpoint
4. 20 mA setpoint
5. Fail-safe indication of 3.6 mA, 22 mA, or "Hold"
6. Damping time of up to 60 seconds
The Model 338 is shipped with "Level" as the default for
the LCD, bargraph, and mA current output. The factory
default values for the
QuickSet Configuration
data are:
1. Engineering units of feet
2. Range of 20 feet
3. 4 mA set at 0 feet
4. 20 mA set at 19.17 feet (Range – 10" dead zone)
5. Fail-safe set for "Hold" last value
6. Damping time of 60 seconds
Holding the
and
buttons down at the same time
for 3 seconds allows entry into the
QuickSet
menu. The
instructions for entering or exiting
QuickSet
are also printed
on a label under the housing cover, just above the LCD
module.
LEV