Mounting and
operating instructions
No. Action
Picture
follows
19 „Autom. centre" function (with Q
Q
Q
1
OK
I
C
FA
push
18x
FT 80 RLA Disctance sensor - GB - 068-13715 - 01.09.2014-05
Action
Reaction / Status indicator „ZA" (red)
as control input):
1
Switch with
ON, if autom. centre active
2
OFF, if autom. centre inactive
SET
The output characteristics (4 ... 20 mA) are displaced with this function. When the automa-
tic centre function is activated and Q
the output value of 12 mA. The incline of the characteristic curve is maintained. The min.
or max. value of the characteristics are limited by the measuring range.
The distance to the object must be within the measuring range.
20 mA
12 mA
4 mA
+U
Q
1
-U
20 mA
12 mA
4 mA
= +U
, the current measured value is equated with
1
B
Analogue signal
B
B
250
400
500
Factory setting
Inactive
(„ZA" = OFF)
t(s)
Autom. centre at 400 mm
750 mm
Illustr. 15
15500146
Illustr. 16
15500859
55