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Mounting and
operating instructions
Master
2
BN
1
WH
5
GY
6
PK
8
RT
4
YE
3
GN
PNP
7
BU
PNP
No. Action Picture
follows
3
Set-up of the slave:
Q
Q
1
I
OK
C
FA
push
25
Q
Q
1
or
OK
I
26x
C
FA
4
Set-up of the master:
Q
Q
1
OK
I
C
FA
push
24x
INFORMATION
After completion of the master/slave configuration, the analogue output of the master should dis-
play 12 mA, corresponding to the measured reference/target value. Now all functions configured
at the master refer to the difference to the reference value.
For measurement, position objects within the measuring range. Then the measured value (ana-
logue value at master) supplies the difference to the reference value. The analogue output of the
slave indicates the distance between slave and object.
FT 80 RLA Disctance sensor - GB - 068-13715 - 01.09.2014-05
+U
+U
RS485 Data+ (Y/A)
B
B
RS485 Data- (Z/B)
Q
Q
2
2
Q
/IN
Q
/IN
1
1
-U
-U
B
B
Action
First of all configure one of the sensors as slave by
2
activating the set-up mode and selecting function
n° 26 (differential thickness measurement) or
function n° 27 (parallel differential measurement)
2
(see chapter 7.2.2 „Possible configurations and
operating modes", as well as Examples of use).
Configure second FT 80 RLA-S1 as master by
2
activating the set-up mode and selecting function
n° 25.
Attention: Sensor can only be configured as master
when the object is within the operating range of
both sensors (see illustr. 20 and 22).
Slave
BN
2
1
WH
GY
5
6
PK
8
RT
YE
4
GN
3
PNP
7
BU
PNP
Illustr. 21
15400126
Reaction
LED „OK" (Good Target) of both
sensors must light up.
The analogue output of the master
should now indicate 12 mA, corres-
ponding to the measured reference/
target value. Now all functions
configured at the master refer to the
difference to the reference value.
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