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15 Terms and abbreviations

Blanking

Optional function ensuring that objects are

in the protected area which are larger than

the detection capacity without the OSSDs

switching off.

ESPE

Electro-Sensitive Protective Equipment.

CCF

Common Cause Failure

avg

Average Diagnostic

Coverage

Muting

Temporary bridging of a safety function by

safety-related parts of the control system.

MTTF

Mean Time To Dangerous

Failure

OSSD

Output Signal Switching Device,

static safety-related output.

PFH

(PFH

)

Probability of (dangerous)

Failure per Hour

Performance Level

Capability of safety-related parts to perform

a safety function at predictable conditions to

fulfil the expected risk reduction.

SIL

Safety Integrity Level

SIL 1-4 to IEC 61508. The higher the SIL the

lower the probability that a safety function

will fail.

SIL

Safety Integrity Level

claim limit

(to IEC 62061)

Mission Time

Test Interval

Technical data and further information at www.ifm.com

Содержание OY95 S Series

Страница 1: ...704857 02 12 2018 Original operating instructions Photoelectric safety sensors safety light grid Protected area width range 8 60 m OY95xS UK ...

Страница 2: ...d receiver 11 6 5 Fixing and optical alignment 12 6 5 1 Optical alignment 12 6 6 Distance of reflective surfaces 13 6 7 Multiple systems 14 6 8 Use of corner mirrors 15 7 Electrical connection 16 7 1 Wiring diagram transmitter 16 7 2 Wiring diagram receiver 17 8 Operating modes 18 8 1 Automatic operation 19 8 2 Manual operation 19 8 3 Connection of external feedback contacts 20 8 4 Internal test f...

Страница 3: ...4 10 2 Functional test of the safety light grids 25 11 Scale drawing 26 11 1 Position of the light beams 27 12 Technical data 28 12 1 1 Safety light grids 2 3 and 4 beams 29 13 Troubleshooting 29 13 1 Configuration error 29 13 2 System error 30 13 3 System failure 30 14 Maintenance repair and disposal 31 15 Terms and abbreviations 32 16 Annex 33 16 1 Check list 33 ...

Страница 4: ...ions before use to familiarise yourself with operating conditions installation and operation Adhere to the safety instructions 1 1 Symbols used Instructions Reaction result Cross reference LED off LED on LED flashes Important note Non compliance can result in malfunction or interference Information Supplementary note Access prevention body protection 1 2 Warning signs used WARNING Warning of serio...

Страница 5: ...nit externally before handling it Disconnect all relay load circuits that are supplied independently After setup the system has to be subjected to a complete function check Only use the unit under the specified operating conditions 12 Technical data In case of special operating conditions please contact the manufacturer In case of any questions concerning safety if required contact the safety expe...

Страница 6: ...oelectric safety sensors with the chemicals used Adhere to the principle of normally closed operation for all external safety circuits connected to the system If the photoelectric safety sensors go into the state defined as safe due to an internal fault measures have to be taken to maintain the safe state when the installation resumes operation Replace damaged units The protective function of the ...

Страница 7: ...operating instructions photoelectric safety sensors reference no 704857 If one of the above mentioned components is missing or damaged please contact one of the ifm branch offices 4 Functions and features transmitter T receiver R P protected area I protected area width range H protected area height The OY95xS safety light grids are multi beam optoelectronic protective devices to IEC 61496 and cons...

Страница 8: ...tected area height is the height protected by the safety light grid It depends on the design 12 Technical data The protected area width range is the maximum distance between transmitter and receiver 12 Technical data If the protected area is clear the two outputs OSSDs of the receiver are active When one of the light beams is interrupted the light grid switches off the outputs ...

Страница 9: ... area Depending on the application other mechanical protective equipment may be necessary The operating conditions at the mounting location must not affect the functioning of the photoelectric safety sensors Please note especially The transmitter and the receiver must not be affected by intensive light sources emitters sunlight etc The ambient temperature must be within the range indicated 12 Tech...

Страница 10: ...otion According to the European Standard EN 999 2008 the following formula is to be used to calculate the minimum safety distance S S K t1 t2 C C 8 d 14 A hazardous area H protected area height S minimum safety distance C additional distance S Minimum safety distance mm K Speed of approach of the object towards the hazardous area mm s t1 Total response time of the protective equipment from release...

Страница 11: ...for the protection of hands or body parts The minimum safety distance S is determined using the following formula S 1600 t t2 850 For more information see ISO 13855 EN 999 A hazardous area Hx height S minimum safety distance G reference level 6 4 Minimum distance between transmitter and receiver A minimum distance of 8 m between transmitter and receiver has to be observed Operation at distances be...

Страница 12: ...ounting accessories so that they are exactly opposite each other 6 5 1 Optical alignment T R T R T R T T T transmitter R receiver Align the transmitter and the receiver so that they are in parallel at the same height and the plugs face the same direction Fix the transmitter and the receiver The indication LEDs of the receiver help to correctly align the photoelectric safety sensors 9 1 LED indicat...

Страница 13: ... the protected area P must be observed In case of non compliance an object which has to be detected cannot be sensed In case of improper handling of the product the safety and physical integrity of operators and machinery cannot be guaranteed transmitter T receiver R D minimum distance I protected area width range P protected area Once installed ensure that reflective surfaces cannot affect the fu...

Страница 14: ...eral safety light grids can lead to malfunction and disable the protective function The safety light grids are to be installed so that the beam sent by the transmitter of a system can only be detected by the respective receiver The following important rule for installation is to be observed to avoid mutual interference of several systems Arrangement R1 T1 T2 R2 Position of both transmitters next t...

Страница 15: ...where U shaped access protection is implemented using two mirrors receiver R transmitter T A hazardous area M corner mirror S minimum safety distance Dx side length Install the corner mirrors so that the minimum safety distance S is adhered to at each side of the hazardous area During installation make sure that the reflecting area is plane and that no vibrations affect the safety device The range...

Страница 16: ...ption 4 2 1 3 5 1 L 24 V DC Input Operating voltage 2 Range 0 Configuration protected area width 3 L 0 V DC Operating voltage 4 Range 1 Configuration protected area width 5 FE Functional earth For information about available sockets connectors see www ifm com Products Accessories The protected area width range to be used is configured via range 0 and range 1 Configuration protected area width rang...

Страница 17: ...nput External feedback contact 5 SEL_A Input Operating mode safety light grids 6 SEL_B Input 7 0 V DC Operating voltage 0 V DC 8 FE Functional earth For information about available sockets connectors see www ifm com Products Accessories Note Lay the cables of the photoelectric safety sensors separately from sources of interference such as power lines Connect the transmitter and the receiver to the...

Страница 18: ...oring of the feedback contacts K1_K2 Connects to L 24 V DC via NC of the feedback contacts SEL_A Connects to OSSD2 pin 3 SEL_B Connects to OSSD1 pin 1 6 8 5 L L 4 3 1 C Manual K1_K2 Connects to L 0 V DC SEL_A Connects to L 24 V DC SEL_B Restart Connects to L 24 V DC via start button 6 4 8 5 L L D Manually with monitoring of the feedback contacts K1_K2 Connects to L 24 V DC via NC of the feedback c...

Страница 19: ... area without being detected The start restart button has to be outside the hazardous area It has to be installed so that the hazardous area and access can be clearly seen It must not be possible to activate the start restart button from within the hazardous area In the manual mode the safety light grids comply with the function as trip device to IEC 61496 Non compliance with this standard can lea...

Страница 20: ...ight grids continuously perform internal tests Faults are detected within the response time of the respective model leading to switch off response times 12 Technical data 9 Operating and display elements transmitter receiver 1 LED red 2 LED green 3 LED yellow 4 LED orange 5 LED red 6 LED green 7 LED yellow 8 LED yellow 9 LED yellow 10 Display 11 LED orange 9 1 LED indicators for optical alignment ...

Страница 21: ...n the transmitter and the receiver 9 1 2 Alignment in the manual mode In the manual operating mode the yellow LED CLEAR lights instead of the green one The light grid will then wait for the manual release Description Receiver LED orange red green yellow CLEAR Receiver does not detect any light beam Receiver detects all light beams with a weak signal Receiver detects all light beams Align the trans...

Страница 22: ...9 2 1 Transmitter Description Transmitter LED orange red green yellow Activating the system input test Test condition Normal operating conditions Normal operation at long range 7 Configuration protected area width Fault ...

Страница 23: ...hen system is started Automatic C Automatic with monitoring C Manual C Manually with monitoring C Normal operation Protected area interrupted outputs deactivated Protected area clear outputs deactivated waiting for restart Protected area clear outputs activated Weak signal protected area clear outputs deactivated waiting for restart Weak signal protected area clear outputs activated ...

Страница 24: ... at least one of the outputs OSSDs is switched off zero current state logic 0 If one of the outputs is switched off the subsequent safety related logic unit must bring the complete system into the state defined as safe 10 1 2 The switched state In switched state the receiver provides a current of 24 V DC logic 1 to both outputs Output characteristics The output characteristics follow the character...

Страница 25: ...to be used 1 2 Interrupt the light beams with the test object First of all in the centre 1 and then close to the transmitter and the receiver 2 Make sure that the red LED on the receiver is continuously lit during the interruption of the light beams Observe the notes on maintenance of the safety light grids 14 Maintenance repair and disposal Notes on set up 17 1 Check list ...

Страница 26: ... 30 10 5 5 5 7 T R M12x1 50 60 M12x1 13 114 122 L T R L transmitter receiver total length 1 LED red 2 LED green 3 LED yellow 4 LED orange 5 LED red 6 LED green 7 LED yellow 8 LED yellow 9 LED yellow 10 Display 11 LED orange Available lengths 12 Technical data ...

Страница 27: ...27 UK 11 1 Position of the light beams Model Beams Position of the light beams measured from the lower edge of the connector mm OY951S 2 114 614 OY952S 3 114 514 914 OY953S 4 114 414 714 1014 ...

Страница 28: ..._max µF 2 2 Power on delay time s 10 Mission time TM h 175200 Protected area width range m 8 60 EMC IEC 61496 1 Vibration IEC 61496 1 Shock IEC 61496 1 Ambient temperature C 0 55 Max perm relative air humidity 95 Application Class C to EN 60654 1 weatherproof application Protection IP 65 III Housing material Aluminium PC Type of light Infrared 950 nm Display LED yellow LED green LED red LED orange...

Страница 29: ... Ratio ti T 1 5 1 4 1 3 13 Troubleshooting The LEDs of the receiver indicate faulty operating states 9 Operating and display elements In case of system failures or errors an error code is displayed In addition the red LED is lit For a detailed fault description see the following tables 13 1 Configuration error Display Possible cause Troubleshooting C User configuration rejected Check configuration...

Страница 30: ...and receiver Change location of the interfering transmitter so that the receiver is not influenced Screen the beams coming from the interfering transmitter using a mat protective device 13 3 System failure In case of a system failure an F is displayed alternating with an error code Display Possible cause Troubleshooting 3 Internal fault main board Send device to ifm branch office for repair 4 Inte...

Страница 31: ...larly dusty environments we recommend to spray the cleaned front pane with an antistatic product Do not use any aggressive or abrasion developing cleaning agents since they could attack the surfaces To avoid electrostatic charging on the front do not use any woollen cloths Scratches on the front panes of the photoelectric safety sensors can deviate the light beams and impair the protective functio...

Страница 32: ...ystem MTTFd Mean Time To Dangerous Failure OSSD Output Signal Switching Device static safety related output PFH PFHD Probability of dangerous Failure per Hour PL Performance Level Capability of safety related parts to perform a safety function at predictable conditions to fulfil the expected risk reduction SIL Safety Integrity Level SIL 1 4 to IEC 61508 The higher the SIL the lower the probability...

Страница 33: ...stop or shutdown delay of the machine been measured and adapted according to the installation of the safety light grids 5 Have the safety light grids been duly fixed and secured against loosening or movement 6 Have the safety light grids been checked according to the function and maintenance descriptions in these operating instructions 7 Has external monitoring EDM of the control unit e g contacto...

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