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5

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When the barrier is interrupted by an object, the following output signals are 

provided:

Fig. 1:

Switching signal when the barrier is 

interrupted by an object

R

E

1

1

R

1
0

0

2

3

4

R:  Reflector position

E:  Detection zone

1:  Output signal 

2:  Inverted output signal 

3:  Distance object

4: 

Factory setting (max. range according 

to the data sheet)

7  Operation

Check whether the unit operates correctly. Bring about a sensor response by 

taking suitable measures.

Display by LEDs (independent of the programmed output configuration):

Status LED 1/2 yellow ON

Switching output is active.

Echo LED green ON

Echo is received.

Echo LED green flashing

Short circuit at the output.

Reflector is outside the detection zone.

 

>

Echo LED green OFF.

 

> With NO function = switching output active. With NC function = switching 

output inactive.

Technical data and further information at www.ifm.com.

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