Sensopart FT 50 RLA-70-L8 Instructions De Service Et De Montage page 56

No. LED pattern
Description
20 „Maximum (Minimum)-Hold" (with Q
Q Q
1 2
I OK
Switch with
C FA
SET
If this function is activated and Q
mined and store.
If Q
Example of use: determining the maximum value of a shaft.
The minimum value can be determined by inverting the output characteristics (see function no.
16 and 17).
21 „Difference hold" function (with Q
Q Q
1 2
I OK
Switch with
C FA
SET
When this function is activated and Q
mum value of the measuring signal is determined and stored.
If Q
Example of use: Checking the contents of open containers or packages.
22 Activate factory settings:
Q Q
1 2
OK
I
Activate with
C FA
SET
If the
be reserved.
56
Status indicator „ZA"
ON, if maximum-hold active
OFF, if maximum-hold inactive
is low (-U ), the maximum value is transmitted at the analogue output.
1 B
20 mA
1
4 mA
20 mA
4 mA
+U
B
Q
1
-U
B
A
ON, if differenz hold active
OFF, if differenz hold inactive
= -U , the largest differential value is transmitted at the analogue output.
1 B
20 mA
4 mA
20 mA
4 mA
+U
B
Q
1
-U
B
B A
ZA lights up whilst the key is pressed
SET
key is pressed, all the settings are reset to the factory settings. This process cannot
as control input):
1
= +U , the maximum value of the measuring signal is deter-
1 B
2
1
2
A B
B
as control input):
1
= +U , the difference between the minimum and maxi-
1 B
2
1
2
1
B A B
FT 50 RLA Disctance sensor - GB - 068-13671 - 20.04.2009-05
operating instructions
Factory setting
Inactive
(„ZA" = OFF)
14 mA
1
2 8 mA
A Q = + = Sample, collect measured values
U
1 B
B = -U = Display, last maximum of
Q
1 B
analogue signal at analogue output
Inactive
(„ZA" = OFF)
12 mA
1
2 2 mA
Q = +U = Sample, collect measured values
A
1 B
Q = -U = Display, last maximum of
B
1 B
analogue signal at analogue output.
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Mounting and
Illustr. 17
15500153
Illustr. 18
15500149