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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

DC

avg

Average Diagnostic Coverage

Muting

Temporary bridging of a safety function 

by safety-related parts of the control 

system�

MTTF

d

Mean Time To Dangerous 

Failure

OSSD

Output Signal Switch Device

Output signal switch element,

static safety-related output�

PFH 

(PFH

D

)

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 that a 

safety function will fail�

SIL

cl

Safety integrity level

claim  limit

(to IEC 62061)

T

M

Mission Time

Technical data and further information at www�ifm�com

Summary of Contents for OY Series

Page 1: ...704701 02 12 2018 Original operating instructions Photoelectric safety sensors safety light curtain for finger protection resolution detection capacity 14 mm OY UK...

Page 2: ...y light curtains resolution 14 mm 12 6 4 Fixing and optical alignment 13 6 4 1 Optical alignment 14 6 5 Distance of the reflecting surfaces 15 6 6 Multiple systems 17 6 7 Use of corner mirrors 18 7 El...

Page 3: ...ety light curtains 26 11 Scale drawing 27 12 Technical data 28 12 1 Safety light curtains 14 mm resolution 29 13 Troubleshooting 29 13 1 Fault diagnosis transmitter 29 13 2 Fault diagnosis receiver 30...

Page 4: ...ions before use to familiarise yourself with operating conditions installation and operation Adhere to the safety instructions 1 1 Symbols used Instruction Reaction result Cross reference LED off LED...

Page 5: ...it 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...

Page 6: ...electric 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 int...

Page 7: ...d suitable nuts 1 copy operating instructions photoelectric safety sensors reference no 704701 If one of the above mentioned components is missing or damaged please contact one of the ifm branch offic...

Page 8: ...between transmitter and receiver 12 Technical data If the protected are is clear the two outputs OSSDs of the receiver are active If an object O with a diameter greater than or equal to the resolution...

Page 9: ...hazardous area can only be accessed via the protected area Depending on the application other mechanical protective equipment may be necessary The operating conditions at the mounting location must no...

Page 10: ...allation Wrong installation 6 2 Calculation of the minimum safety distance There must be minimum safety distance between the photoelectric safety sensor and the point of danger This distance must be e...

Page 11: ...rotected area height S min 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...

Page 12: ...14 This formula applies to minimum safety distances S between 100 and 500 mm The min safety distance S must be 100 mm A hazardous area H height S min safety distance G reference level If due to the s...

Page 13: ...he supplied mounting accessories so that they are exactly opposite each other Align the transmitter and the receiver so that they are in parallel at the same height and the plugs face the same directi...

Page 14: ...afety sensors Description Receiver 2 colour LED 2 colour LED red green yellow blue Receiver does not detect any light beams Receiver detects some light beams Receiver detects all light beams with a we...

Page 15: ...een reflective surfaces and the protected area P must be observed In case of non respect an object to be detected may not be detected In case of improper handling of the product the safety and physica...

Page 16: ...16 Minimum distance to reflective surfaces D minimum distance in mm I protected area width range m...

Page 17: ...stem can only be detected by the respective receiver The following important rules for installation are to be observed to avoid mutual interference of several systems Arrangement A Arrangement B R1 T1...

Page 18: ...here U shaped access protection is implemented using two mirrors receiver R transmitter T A hazardous area M corner mirror S min safety distance Dx side length Install the mirrors so that the minimum...

Page 19: ...t Pin Name Type Description 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 Fu...

Page 20: ...External feedback contact 5 SEL_A Input Operating mode Safety light curtains 6 SEL_B Input 7 0 V DC Operating voltage 0 V DC 8 FE Functional earth For information about available sockets connectors s...

Page 21: ...to L 0 V DC 6 4 8 5 L L B Automatic with monitoring K1_K2 K1_K2 restart Connects to L 24 V DC via NC contacts of K1_K2 SEL_A Connects to L 24 V DC SEL_B Connects to L 0 V DC 6 4 8 5 L L C Manual K1_K...

Page 22: ...d persons can be present in the hazardous area after accessing the protected area without being detected The start restart button has to be outside the hazardous area It has to be installed so that th...

Page 23: ...tested by a process control system or a control module 7 1 Table Configuration protected area width The test pulse interrupts the light emission by the transmitter and the outputs carry a 0 signal 10...

Page 24: ...activated The green LED flashes twice when the system is switched on if the unit has been configured with a high range 10 Operation 10 1 Switching state of the outputs The safety light curtains have...

Page 25: ...ed 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 characteristics of the input according to IEC...

Page 26: ...on about available test rods see www ifm com Products Accessories Let the test object enter the protected area and move it slightly downwards First of all in the centre and then close to the transmitt...

Page 27: ...0 10 5 28 28 5 5 40 10 20 10 1 5 M5 14 5 30 28 T M12x1 11 29 5 61 5 L R T R L transmitter receiver total length 1 LED 3 colours red green orange 2 LED 2 colours yellow blue 3 LED 2 colours red green a...

Page 28: ...4 V Max capacitive load CL_max F 0 82 Power on delay time s 2 Mission time TM h 175200 EMC IEC 61496 1 Vibration IEC 61496 1 Shock IEC 61496 1 Ambient temperature C 10 55 Max perm relative air humidit...

Page 29: ...08 3 7 08 Test pulse duration ti s 80 80 80 80 80 80 80 80 80 80 100 Test pulse interval T ms 3 9 5 7 7 5 9 3 11 1 12 9 14 7 16 5 18 3 20 1 23 7 Ratio ti T 2 1 1 4 1 1 0 9 0 7 0 6 0 5 0 5 0 4 0 4 0 4...

Page 30: ...g transmitter from high to low Exchange position of transmitter and receiver Change location of the interfering transmitter so that the receiver is not influenced Screen the beams coming from the inte...

Page 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 T...

Page 32: ...MTTFd Mean Time To Dangerous Failure OSSD Output Signal Switch Device Output signal switch element static safety related output PFH PFHD Probability of dangerous Failure per Hour PL Performance Level...

Page 33: ...the stop or shutdown delay of the machine been measured and adapted according to the installation of the safety light curtains 5 Have the safety light curtains been duly fixed and secured against loos...

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