User Manual
OPERATION
6
69
OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
6.4.2 Test
Use this procedure to test the loop current. Values and parameters that can be changed are
shown between the « ... » marks in the illustrations that follow. Push the keypad buttons in the
correct sequence:
Procedure
•
[>
>>
>] to change Scale 20 mA.
•
[>
>>
>] to change the position of the cursor.
•
[
] to decrease the value or [
] to
increase the value.
•
[^
^^
^] to confirm.
Use this step to give the 20 mA output
setting (100% limit) in the tank. Refer to the
illustrations that follow. Illustration 1
shows the settings for level. Illustration 2
shows the settings for distance.
•
[
] or [
] for the selection of the error
delay (0 s, 10 s, 20 s, 30 s, 1 mn, 2 mn,
5 mn or 15 mn).
•
[^
^^
^] to confirm.
The time after which the current output
changes to an error value. The error value
shows that there is a measurement error.
•
[>
>>
>] to change the tag name.
•
[>
>>
>] to change the position of the cursor.
•
[
] to decrease the alphanumeric value
(A, B, ..., 1, 2, ...) or [
] to increase the
alphanumeric value.
•
[^
^^
^] to confirm.
The device has an identification code (tag
name). The supervisor can enter a
maximum of 8 numbers or letters.
•
2× [^
^^
^] to confirm.
•
[
] or [
] for the selection of the save
option (STORE NO or STORE YES).
•
[^
^^
^] to confirm.
Set to STORE YES to save and use the data.
Set to STORE NO to cancel the changes to
the device settings.
Screen Steps Description
Screen Step Description
Default screen.
•
[>
>>
>], [
] and [>
>>
>].