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10

6.4  Setting of the pulse stretching

The length of the output signal can be adjusted� If the object does not stay in the 

detection zone long enough, it is possible to stretch the pulse time�

1

 

Press [OUT on] for > 6 s to < 20 s�

 

> The green LED flashes with 4 Hz, the 

yellow LED indicates the switching 

status�

 

> The row of LEDs indicates the pulse 

stretching�

2

Set the pulse stretching time.

 

Press [OUT off] to reduce the pulse 

stretching time�

 

Press [OUT on] to increase the pulse 

stretching time�

 -1 push on the button corresponds to 

1 ms�

 -Fast forward by keeping the button 

pressed� 

0

1 - 10

11 - 20

21 - 30
31 - 40
41 - 50
51 - 60
61 - 70
71 - 80
81 - 90

time 

(ms)

lighting LEDs

3

Exit setting

 

Press [OUT on] + [OUT off] simultane-

ously�

 

> The unit changes to the normal operat-

ing mode�

Summary of Contents for OBF5 Series

Page 1: ...Operating instructions Switching amplifier for fibre optics OBF5xx 11494936 00 08 2010 UK UK...

Page 2: ...matic setting of the sensitivity 7 6 1 1 The sensor is to switch when the object is detected 7 6 1 2 The sensor is not to switch when the object is detected 8 6 1 3 Measured value difference too small...

Page 3: ...objects and materials without contact and indicates their presence by a switching signal 2 1 Applications Only for use with ifm fibre optics type FE 50 and FT 50 The range is determined by the fibre o...

Page 4: ...bre optics Loosen the screw A Push the fibre optics into the sen sor holes B until the end stop and hold them Tighten the screw A If the fibre optics are not in contact with the internal optics the se...

Page 5: ...50178 SELV PELV Disconnect power Connect the unit as follows Automatic PNP NPN detection M8 M8 M12 Cable Core colours BN brown BU blue BK black VT violet On power up the unit detects automatically if...

Page 6: ...Input signal strength Pulse stretching in ms 1 2 3 4 5 2 Programming but ton OUT on Automatic setting OUT on Manual setting Pulse stretching 3 LED yellow Switching status 4 LED green Operating status...

Page 7: ...set to the object The green LED lights the yellow LED flashes 2 x 2 Remove the object Press OUT off The sensitivity is set without object The green LED lights the yellow LED indicates the switching s...

Page 8: ...rocedure the unit changes to the normal operating mode with unchanged values 6 1 3 Measured value difference too small If the measured value difference is too small the switching threshold can be manu...

Page 9: ...mode 4 Check the safe switching function If necessary repeat the setting step 1 Timeout If no button is pressed for 15 min during the setting procedure the unit changes to the normal operating mode w...

Page 10: ...ndicates the switching status The row of LEDs indicates the pulse stretching 2 Set the pulse stretching time Press OUT off to reduce the pulse stretching time Press OUT on to increase the pulse stretc...

Page 11: ...ated by a change of the status of the yellow LED The unit is locked To unlock repeat this step 7 Operation 7 1 Set up After installation electrical connection and parameter setting check whether the u...

Page 12: ...ow of LEDs is off Timeout Max Programming time of 15 min exceeded Change to the normal operating mode 8 Maintenance repair disposal Faulty sensors must only be repaired by the manufacturer After use d...

Page 13: ...13 UK...

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