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No. Action
Picture
follows
20 „Maximum (Minimum)-Hold" (with Q
Q
Q
1
OK
I
C
FA
push
19x
21 „Difference hold" function (with Q
Q
Q
1
I
OK
C
FA
push
20x
22 Activate factory settings:
Q
Q
1
I
OK
C
FA
push
21x
56
Action
Reaction / Status indicator „ZA" (red)
as control input):
1
Switch with
ON, if maximum-hold active
2
OFF, if maximum-hold inactive
SET
If this function is activated and Q
determined and stored.
If Q
is low (-U
), the maximum value is transmitted at the analogue output.
1
B
Example of use: determining the maximum value of a shaft.
The minimum value can be determined by inverting the output characteristics (see func-
tion no. 16 and 17).
20 mA
4 mA
20 mA
4 mA
+U
B
Q
1
-U
B
A
as control input):
1
Switch with
ON, if difference hold active
2
OFF, if difference hold inactive
SET
When this function is activated and Q
maximum value of the measuring signal is determined and stored.
If Q
= -U
, the largest differential value is transmitted at the analogue output.
1
B
Example of use: Checking the contents of open containers or packages.
20 mA
4 mA
20 mA
4 mA
+U
B
Q
1
-U
B
B
Activate with
ZA lights up whilst the key is pressed
2
SET
SET
If the
key is pressed, all the settings are reset to the factory settings. This process
cannot be reversed.
= +U
, the maximum value of the measuring signal is
1
B
1
2
1
2
A
B
B
= +U
, the difference between the minimum and
1
B
2
1
2
1
B
A
B
A
FT 50 RLA Disctance sensor - GB - 068-13671 - 19.05.2016-12
operating instructions
Factory setting
Inactive
(„ZA" = OFF)
1
14 mA
2
8 mA
A
Q
= +
= Sample, collect measured values
U
1
B
B
Q
= -U
= Display, last maximum of
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.
--
Mounting and
Illustr. 17
15500153
Illustr. 18
15500149
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