SE/SG-300 series two-wire compact ultrasonic level transmitters
11
5.1
Programming without Display Module
Programming is only possible if the EchoTREK is in Level Measuring
Mode and receives valid echo i.e. “ECHO” LED is lit !
The following can be programmed without display module
•
Assignment of the 4 mA to a required e.g. min. level / max. distance
•
Assignment of the 20 mA to a required e.g. max. level / min. distance
•
Error indication by the current output (Hold, 3.6 mA or 22 mA)
•
Damping (10, 30 or 60 sec)
•
Reset to the factory default
Note: Current output can also be assigned in inverted mode:
4 mA = 100% (Full), 20 mA = 0% (Empty)
Procedure of programming:
press button in the relevant sequence and check the state of the LED-s. Symbols for the states of the LED-s:
= LED is off, = LED is blinking, = LED is on, = LEDs are blinking alternatively = Dont care
Minimum level, (0%, empty tank) assignment to 4 mA
Action
Led state following the action
1) Check for a valid ECHO
= Valid ECHO, transmitter programmable
2) Press NEXT button steadily
= EchoTREK in programming mode
3) Press UP button steadily
= 4 mA assigned to the distance (see picture)
4) Release buttons
= Programming
completed
B
B
Use level in tank or a fix target e.g. the wall
