IFM OMH551 Operating Instructions Manual Download Page 19

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Photoelectric distance sensor

OMH551 OMH553 OMH555

10.1.1.3 Background suppression

SP1

PDV

SSC

teach

OFF

Normally open:

(switch point logic = 0)

SP1 = teach – 2*H

Switch-on point

SP1 + H

Switch-off point

SP:

Switch point

Hysteresis

TP:

Teach point

Background suppression

SSC:

SwitchingSignalChannel

PDV:

ProcessDataVariable

10.1.2 Window mode

SP2

SP2-H

OFF

teach

SSC

SP1

SP1+H

SP1

teach

PDV

OFF

Normally open:

(switch point logic = 0)

SP1

Switch-on point

SP1 + H

Switch-off point

SP2

Switch-off point window

SP2 + H

Switch-on point window

10.1.3 Two point mode

SP2

SP1

SP2

teach

PDV

SSC

SP1

OFF

Normally open:

(switch point logic = 0)

SP1

Switch-off point

SP2

Switch-on point

SP:

Switch point

Hysteresis

TP:

Teach point

SSC:

SwitchingSignalChannel

PDV:

ProcessDataVariable

Summary of Contents for OMH551

Page 1: ...Operating instructions Photoelectric distance sensor OMH551 OMH553 OMH555 11465695 00 06 2022 GB ...

Page 2: ...er setting via IO Link 13 9 2 Teaching of analogue output 13 9 2 1 Parameter setting via device buttons 13 9 2 2 Parameter setting via IO Link 14 9 3 Output logic PNP NPN 14 9 3 1 Parameter setting via IO Link 14 9 4 Lock unlock the device 14 9 4 1 Parameter setting via the device buttons 14 9 4 2 Parameter setting via IO Link 15 9 5 Indication of current setting Info mode 15 9 6 Reset to factory ...

Page 3: ...Photoelectric distance sensor OMH551 OMH553 OMH555 3 12 Maintenance repair and disposal 21 13 Factory setting 22 ...

Page 4: ...packaging or at www ifm com 1 1 Symbols used Requirement Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference Information Supplementary note 1 2 Warnings used ATTENTION Warning of damage to property CAUTION Warning of personal injury w Slight reversible injuries may result ...

Page 5: ...s intended purpose Ò Intended use If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator Installation electrical connection set up operation and maintenance of the product must be carried out...

Page 6: ...nerates output signals according to the parameter settings The device has an analogue output 4 20mA 0 10V and a digital output that can be configured via IO Link The device uses a laser diode as light source and creates a light spot This makes it possible to detect small objects The light spot should hit the object or the background Intermediate states may lead to faulty measured values ...

Page 7: ... systems IO Link is standardised in the IEC 61131 9 standard General information on IO Link at io link ifm Input Output Device Description IODD with all parameters process data and detailed descriptions of the device at documentation ifm com IO Link offers the following advantages Interference free transmission of all data and process values Parameter setting in the running process or presetting o...

Page 8: ...eact sensitively to soiling as it reduces the excess gain Dust deposits can be reduced by downwards or sideways orientation This allows for longer cleaning intervals Make sure that sensors installed with their front lens facing upwards are not oriented towards roof windows or ceiling lamps 5 3 2 Avoidance of mutual interference Photoelectric sensors should be installed with a sufficient distance b...

Page 9: ...u Disconnect power u Connect the device as follows L 1 BN 2 GY 4 WH 5 BK 3 BU OUT2 OUT1 IO Link IN1 L 4 2 1 3 5 1 L 2 OUT2 analogue output 3 L 4 OUT1 switching output or IO Link 5 IN1 laser on off 6 1 PNP NPN selection Pins 2 and 4 can be switched between PNP and NPN logic via IO Link The setting cannot be made for individual pins but applies to all pins PNP NPN L 1 BN 2 GY 4 WH 5 BK 3 BU L L 1 BN...

Page 10: ...ction OUT 1 Status LED Status LED is green Device is connected to the voltage sup ply and ready for operation Status LED is green OUT 1 is yellow Device OK switching output OUT 1 ac tive Status LED is green OUT 2 is yellow Device OK switching output OUT 2 ac tive Status LED flashing red 1Hz OUT 1 flashing yellow 4 Hz Short circuit OUT 1 Troubleshooting Ò 20 Status LED flashing red 1Hz OUT 2 flashi...

Page 11: ...tates of the parameters LED behaviour Description Action I U All LEDs are off The device is in the Run mode I is white Device is in Info mode Analogue current output 4 20 mA is activated U is white Device is in Info mode Analogue voltage output 0 30 V is ac tivated ...

Page 12: ...nsor needs a warm up period of 20 min The performance parameters specified in the data sheet only apply after this warm up period On delivery the parameters are set to the factory setting The device can also be configured using suitable IO Link parameter setting software ...

Page 13: ...r I or U is white u Press and hold for 2 seconds to set I or U w LED for I or U flashes twice 50 Hz w Sensor returns to the Run mode 9 1 2 Parameter setting via IO Link u Select Parameter Output configuration u Select ou2 u Set I Analogue signal 4 20 mA or U Analogue signal 0 10 V 9 2 Teaching of analogue output min ASP2 refers to the distance in relation to the minimum current voltage value max A...

Page 14: ...red value can be taught automatically u Place the object for the start point u Click on Teach ASP2 Teach end point AEP2 u Select Parameter Analog output 2 u Select AEP2 u Enter the measured value for the start point in mm Alternatively the measured value can be taught automatically u Place the object for the end point u Click on Teach AEP2 9 3 Output logic PNP NPN Set the switching logic for all i...

Page 15: ...s Display settings u Select Loc u Set Loc for locking and uLoc for unlocking Indication of device locking u Press or w Green status LED goes out for 0 5 seconds w The device changes to Run mode and the green status LED is again lit permanently 9 5 Indication of current setting Info mode u Press to change to the Info mode w LEDs light up for 2 seconds depending on the setting at I U w Sensor return...

Page 16: ...p Parameters SSC1 1 SSC1 2 u Select SSC1 1 SSC1 2 Switch on delay u Enter a switch on delay between 0 10s To set a switch on delay for SSC1 2 this output must first be activated 9 7 2 Switch off delay A switch off delay can be set for both switching outputs 0 10s u Call up Parameters SSC1 1 SSC1 2 u Select SSC1 1 SSC1 2 Switch off delay u Enter a switch off delay between 0 10s To set a switch off ...

Page 17: ... objects u Call up Parameters Digital Output 1 Digital Output 2 u Select SSC1 1 counter SSC1 2 counter u Read the counter value The counter can be reset via the system command Reset counter to zero The command resets all counters u Call up Parameters Counter configuration u Click on the system command Reset counter to zero w All counters are reset 9 7 6 Operating modes Setting the evaluation speed...

Page 18: ...SP1 H 10 1 1 1 Single point mode to smart sensor profile SP1 SP1 H SP1 H ON OFF 0 teach PDV SSC Normally open switch point logic 0 SP1 Switch on point SP1 H Switch off point 10 1 1 2 Single point mode to smart sensor profile Two value teach SP1 TP2 TP1 H ON OFF SSC PDV 0 SP1 H Normally open switch point logic 0 SP1 TP1 TP2 Switch on point SP1 H Switch off point ...

Page 19: ...ngSignalChannel PDV ProcessDataVariable 10 1 2 Window mode SP2 SP2 SP2 H H OFF 0 teach SSC SP1 SP1 H SP1 H teach PDV ON OFF Normally open switch point logic 0 SP1 Switch on point SP1 H Switch off point SP2 Switch off point window SP2 H Switch on point window 10 1 3 Two point mode SP2 SP1 SP2 ON 0 teach PDV SSC SP1 OFF Normally open switch point logic 0 SP1 Switch off point SP2 Switch on point SP S...

Page 20: ... temperature too high u Reduce ambient temperature Supply voltage outside the specification Ò technical data sheet u Adjust supply voltage If the device behaves unexpectedly or incorrectly u Disconnect the device from the voltage supply restart u Restore factory settings i e delivery status via IO Link If the problems persist u Contact the ifm support at www ifm com ...

Page 21: ...y sensors must only be repaired by the manufacturer u Keep the front lens of the sensor clean u After use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations u Do not open the module housing There are no user serviceable components inside ...

Page 22: ...activated 1 Single Point 2 Window 3 TwoPoint 1 SSC1 1 Config Hyst Hysteresis 10 500 0 01 OMH551 10 500 0 01 OMH553 10 500 0 1 OMH555 20 OMH551 20 OMH553 20 OMH555 SSC1 2 Param Sp1 Setpoint 1 3000 8000 0 01 OMH551 5000 20000 0 01 OMH553 500 5000 0 1 OMH555 8000 OMH551 20000 OMH553 5000 OMH555 SSC1 2 Param Sp2 Switch point 2 3000 8000 0 01 OMH551 5000 20000 0 01 OMH553 500 5000 0 1 OMH555 3000 OMH55...

Page 23: ... Medi 3 HIGH 2 Loc Locking the ext opera tion 0 Loc 1 uLoc 1 ou2 Output configuration 1 Analogue signal 4 20mA 2 Analogue signal 0 10V 1 ASP2 Analogue start point 3000 8000 0 01 OMH551 5000 20000 0 01 OMH553 500 5000 0 1 OMH555 3000 OMH551 5000 OMH553 500 OMH555 AEP2 Analogue end point 3000 8000 0 01 OMH551 5000 20000 0 01 OMH553 500 5000 0 1 OMH555 8000 OMH551 20000 OMH553 5000 OMH555 Transmitter...

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