Sensopart FT 50 RLA-70-L8 Instructions De Service Et De Montage page 55

Mounting and
operating instructions
No. LED pattern
Description
19 „Autom. centre" function (with Q
Q Q
1 2
I OK
Switch with
C FA
SET
The output characteristics (4-20 mA) are displaced with this function. When the automatic cen-
tre function is activated and Q
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.
FT 50 RLA Disctance sensor - GB - 068-13671 - 20.04.2009-05
Status indicator „ZA"
as control input):
1
ON, if autom. centre active
OFF, if autom. centre inactive
= +U , the current measured value is equated with the output
1 B
Analogue signal
20 mA
12 mA
4 mA
+U
B
Q
1
-U
B
20 mA
12 mA
4 mA
120
80
Factory setting
Inactive
(„ZA" = OFF)
t(s)
Autom. centre at 120 mm
300 mm
190
Illustr. 15
15500146
Illustr. 16
15500859
55