33
51-638 Echotel Model 338 Two-Wire Ultrasonic Transmitter
1.7.3 Fail-safe Indication by the mA Current Output
This allows the fail-safe diagnostic output to be set to
3.6 mA, 22 mA, or Hold the last value.
Make sure the valid echo LED is lit!
1.7.4 Damping Time
Damping times of 10, 30, or 60 seconds can be set when
configuring without the LCD module.
Make sure the valid echo LED is lit!
1.7.5 Factory Data Reset
Factory data reset can be used to return all configuration
data registers back to their original settings.
Action
LED indication
Press NEXT
steadily
= Transmitter is in programming
mode
While continuing to press
= Reset in progress
NEXT ,
press
the
ENTER steadily
Release both buttons
= Factory data reset has been
completed
Action
LED indication
Press UP
steadily
= Transmitter is in
programming mode
Press and hold one of
these buttons while
holding UP
:
DOWN
= Hold last value
ENTER
= 3.6 mA
NEXT
= 22 mA output
Release both buttons
= Fail-safe programming
completed
Action
LED indication
Press ENTER
steadily
= Transmitter is in
programming mode
Press and hold one of
these buttons while
holding ENTER
:
NEXT
= 10 seconds
UP
= 30 seconds
DOWN
= 60 seconds
Release both buttons
= Damping programming
completed
