SE/SG-300 series two-wire compact ultrasonic level transmitters
19
Screens
Actions
20
mA
xxxx
–
level value
assigned to 20 mA current output
Manual: set level value
(Use
UP
/
DOWN
/
NEXT
keys)
and save it (by ENTER
E
)
Automatic: use the “GET LEVEL” function
(
UP
+
DOWN
)
to obtain actual measured value with level in tank or a fixed
target, i.e. wall. (“GET LEVEL” functions only if ECHO LED is lit) and save it as above.
DEFAULT: max. level = max. measuring distance – dead band [m] (100%, Full tank) (See Technical Data Table)
Error indication
by
the current output – select “Hold”, 3.6 mA or 22 mA (by UP / DOWN key) and save it as above
.
DEFAULT: hold last value
d
amping
t
ime
:
select required damping time
(
by
UP
/
DOWN
key
)
and save it as above.
DEFAULT: 60 sec for liquids, 300 sec for solids
Note: – Current output can also be programmed for inverted operation: 4 mA= 100% (Full), 20 mA= 0% (Empty)
– Description of failures can be found under the chapter 7 Error codes.
5.2.5
Full Parameter Access
Full Parameter Access is the highest programming level to access all features provided by the EchoTREK
Description of all parameters can be found under the chapter “Parameter” (Chapter 6.).
Keys
Function
ENTER
E
+ NEXT
(press for 3 seconds)
Enter or exit Full Parameter Access programming mode.
In this programming mode, the display will indicate:
yy
Parameter Address (P01, P02 … P99)
xxxx
Parameter Value (dcba)
bargraph
yy:xxxx
Er
:
xxxx
20
:
xxxx
dt
:
xxxx
