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10

Setting of the pulse stretching

7.4 

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� 

��

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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�

Содержание OBF5 SERIES

Страница 1: ...Operating instructions Switching amplifier for fibre optics OBF5xx 704513 00 04 2009 UK ...

Страница 2: ... 1 Automatic setting of the sensitivity 7 7 1 1 The sensor is to switch when the object is detected 7 7 1 2 The sensor is not to switch when the object is detected 8 7 1 3 Measured value difference too small 8 7 2 Manual setting of the sensitivity 8 7 3 Setting of maximum sensitivity 9 7 4 Setting of the pulse stretching 10 7 5 Electronic lock 11 8 Operation 11 8 1 Set up 11 8 2 Fault indications ...

Страница 3: ... objects and materials without contact and indicates their presence by a switching signal Applications 2 1 Only for use with ifm fibre optics type FE 11 and FT 11 The range is determined by the fibre optics Pulse stretching adjustable 0 or 1 90 ms Each input pulse is stretched to the set value Installation 3 Hook the unit into the DIN rail 1 and clip it into place 2 or fix it by means of a mountin...

Страница 4: ... fibre optics into the sen sor holes B until you feel a slight resistance O ring 3 Push the fibre optics until the end stop optic elements and hold them 4 Tighten the screw A If the fibre optics are not in contact with the optic elements the sensing range is reduced ...

Страница 5: ...N 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 the switching output is con nected to L PNP or to L NPN The polarity of the function check output is set according to the polarity of the switching output Both outputs must be connected with the sam...

Страница 6: ...5 Programming but ton OUT off Automatic setting OUT off Manual setting Pulse stretching Set up 6 Diffuse reflection optics FT 11 For operation as diffuse reflection sensor the light on mode with maximum sensi tivity is set on delivery Through beam optics FE 11 For operation as through beam sensor the light on mode with maximum sensitiv ity is set on delivery Carry out the automatic setting of the ...

Страница 7: ...s 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 status The programming is finished Through beam optics FE 11 1 Position the object transmitter receiver Press OUT on for 2 s to 6 s The sensitivity is set to the object The green LED lights the yellow...

Страница 8: ... unit changes to the normal operating mode with unchanged values 7 1 3 Measured value difference too small If the measured value difference is too small the switching threshold can be manually adjusted The unit changes to the manual setting mode 7 2 Manual setting of the sensitivity step 2 7 2 Manual setting of the sensitivity Carry out the automatic setting prior to the manual setting to determin...

Страница 9: ...g 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 with unchanged values Setting of maximum sensitivity 7 3 Align the fibre optics so that no light is received The sensor is to switch when light is received First press OUT on then OUT off The sensor i...

Страница 10: ...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 ...

Страница 11: ...cated by a change of the status of the yellow LED The unit is locked To unlock repeat this step Operation 8 Set up 8 1 After installation electrical connection and parameter setting check whether the unit operates correctly Display by LEDs The red LED lights and the output FC function check output is switched in case of a detection problem insufficient object recognition maladjust ment soiling of ...

Страница 12: ...Timeout Max Programming time of 15 min exceeded Change to the normal operating mode Maintenance repair disposal 9 Faulty sensors must only be repaired by the manufacturer After use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations Technical data and further information at www ifm com Select your country Data sheet direct ...

Страница 13: ...13 UK ...

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