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Summary of Contents for IFM OY Series
- Page 1 Original operating instructions Photoelectric safety sensors (safety light curtain / safety light grid) Protected area width (range) 0...12 m...
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Page 2: Table Of Contents
Contents 1 Preliminary note ....................4 1.1 Symbols used ....................4 1.2 Warning signs used ..................4 2 Safety instructions ....................5 2.1 Safety-related requirements regarding the application ........6 3 Items supplied......................7 4 Functions and features ..................7 5 Function .......................8 6 Installation......................9 6.1 Installation instructions ..................9 6.2 Calculation of the minimum safety distance ..........10 6.3 Vertical installation of the safety light curtains / light grids ......12 6.3.1 Safety light curtains resolutions 30 mm and 40 mm ......12... - Page 3 9.1 LED states ....................25 10 Operation ......................26 10.1 Switching state of the outputs ..............26 10.1.1 The safe state ...................26 10.1.2 The switched state ................26 10.1.3 Interface classification ..............27 10.2 Functional test of the safety light curtains / light grids .......27 11 Scale drawing ....................28 11.1 safety light curtain ..................28 11.2 safety light grid ...................29...
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Page 4: Preliminary Note
1 Preliminary note The instructions are part of the unit. They are intended for authorised persons according to the EMC and low voltage directives and safety regulations. The instructions contain information about the correct handling of the product. Read the instructions before use to familiarise yourself with operating conditions, installation and operation. -
Page 5: Safety Instructions
2 Safety instructions • Follow the operating instructions. • In case of non-observance of notes or standards, specially when tampering with and/or modifying the unit, any liability and warranty is excluded. • The unit must be installed, connected and put into operation by a qualified electrician trained in safety technology. -
Page 6: Safety-Related Requirements Regarding The Application
► For applications in the food industry contact your ifm branch office to check the compatibility of the materials of the photoelectric safety sensors with the chemicals used. -
Page 7: Items Supplied
• 1 copy operating instructions photoelectric safety sensors, reference no. 704555. 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;... -
Page 8: Function
5 Function The protected area (P) is generated between the transmitter and the receiver and is defined by the protected area height (H) and the protected area width (range) (I). The protected area height is the height protected by the safety light curtain / safety light grid. -
Page 9: Installation
6 Installation 6.1 Installation instructions The following conditions are to be ensured before installation of the photoelectric safety sensors: • The degree of protection of the electro-sensitive equipment (ESPE) has to correspond with the risk assessment of the machine to be monitored. •... -
Page 10: Calculation Of The Minimum Safety Distance
Observe the following illustrations for correct installation of the photoelectric safety sensors. Correct installation 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 ensured so that the point of danger cannot be accessed before the hazardous state of the machine has been stopped. - Page 11 ► Install the photoelectric safety sensor at a distance that is greater or equal to the minimum safety distance (S) so that the hazardous area (A) can only be accessed after complete standstill of the hazardous machine motion. According to the European Standard ISO 13855 the following formula is to be used to calculate the minimum safety distance (S): S = K (t1 + t2) + C...
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Page 12: Vertical Installation Of The Safety Light Curtains / Light Grids
6.3 Vertical installation of the safety light curtains / light grids 6.3.1 Safety light curtains resolutions 30 mm and 40 mm These designs are suitable for access prevention of hands (hand protection). They must not be used for finger protection! The minimum safety distance (S) is determined using the following formula: S = 2000 (t... -
Page 13: Safety Light Curtains Resolutions 50 Mm And 90 Mm, Safety Light Grids
6.3.2 Safety light curtains resolutions 50 mm and 90 mm, safety light grids 2, 3 and 4 beams These versions are suitable for access prevention for bodies or parts of bodies. They must not be used for finger or hand protection! The minimum safety distance (S) is determined using the following formula: S = 1600 (t... -
Page 14: Horizontal Installation Of The Safety Light Curtains
6.4 Horizontal installation of the safety light curtains These versions are suitable for primary guarding for bodies or parts of bodies. With horizontal installation it has to be noted that the distance between the outer border of the hazardous area (A) and the outer light beam of the safety light curtain is greater than or equal to the minimum safety distance (S). -
Page 15: Optical Alignment
► Install the transmitter and the receiver using the 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 direction. If vibrations are to be expected in your applications, it is recommended to use vibration dampers (available as accessory). -
Page 16: Distance Of The Reflecting Surfaces
6.6 Distance of the reflecting surfaces Reflective surfaces close to photoelectric safety sensors can disable the safety function of the system. The minimum distance (D) depends on the protective area width (I) taking into consideration the projection and receiving angles. The minimum distance (D) between reflective surfaces and the protected area (P) must be observed. - Page 17 Minimum distance to reflective surfaces Safety light curtains / light grids type 2 1100 1000 D = minimum distance in [mm]; I = protected area width (range) [m] Safety light curtains / light grids type 4 1100 1000 D = minimum distance in [mm]; I = protected area width (range) [m]...
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Page 18: Multiple Systems
6.7 Multiple systems The use of several safety light curtains / light grids can lead to malfunction and disable the protective function. The safety light curtains / 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 rules for installation are to be observed to avoid mutual interference of several systems: Arrangement A... -
Page 19: Use Of Corner Mirrors
6.8 Use of corner mirrors To protect and monitor hazardous areas with access from several sides one or several mirrors can be used (available as accessory). By using mirrors the light beam emitted by the transmitter can be sent via several access sides. ►... -
Page 20: Electrical Connection
Range 1 Configuration protected area width 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. 7.1.1 Configuration protected area width (range) -
Page 21: Wiring Diagram Receiver
– 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 functional earth. -
Page 22: Operating Modes
8 Operating modes The different operating modes of the safety light curtains / light grids of the OY series can be set via the respective connections to the 8-pole plug of the receiver. Operating modes Connections pin 4 pin 5 pin 6 Automatic K1_K2 /restart... -
Page 23: Automatic Operation
8.1 Automatic operation If the safety light curtains / light grids are used in the automatic mode, monitored start is not possible. The safety light curtains / light grids automatically return to operation with clear protected area, the outputs (OSSDs) are activated. Verify if this is compatible with your machine. -
Page 24: Connection Of External Contactors K1 And K2
8.3 Connection of external contactors K1 and K2 External contactors can be integrated in the automatic or manual operating mode. The contactors have to be connected in series between the supply voltage and pin 4 of the receiver (→ 8 Operating modes / table, fig. B ). With manual function a start button has additionally to be switched in series (→... -
Page 25: Operating And Display Elements
9 Operating and display elements transmitter receiver 1: LED 3 colours (red/green/orange) 2: LED (yellow) 3: LED 2 colours (red/green) 9.1 LED states Transmitter Receiver 3-colour LED 2-colour LED Description green orange green yellow Activating the system, input test Fault (→ 13 Troubleshooting) Test condition Normal operating conditions Protected area interrupted,... -
Page 26: Operation
10 Operation 10.1 Switching state of the outputs The safety light curtains / light grids have two outputs (OSSDs) on the receiver; the status depends on the condition of the protected area. All short-circuits between the outputs or between an output and the current supply (24 V DC or 0 V DC) are detected by the 1 safety light curtains / light grids as a fault. -
Page 27: Interface Classification
/ light grids has to be used. For information 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 transmitter and the receiver. -
Page 28: Scale Drawing
Observe the notes on installation of the safety light curtains / light grids → 14 Maintenance, repair and disposal. Notes on set-up → 16.1 Check list. 11 Scale drawing 11.1 safety light curtain 14,5 10,5 M12x1 transmitter 1: LED 3 colours (red/green/orange) receiver 2: LED (yellow) total length*... -
Page 29: Safety Light Grid
11.2 safety light grid 14,5 10,5 M12x1 transmitter 1: LED 3 colours (red/green/orange) receiver 2: LED (yellow) total length* 3: LED 2 colours (red/green) * available lengths → 12 Technical data... -
Page 30: Technical Data
12 Technical data 12.1 Safety light curtains / light grids type 2 Conforms to the requirements of: Type 2 IEC 61496-1, SILcl 1 IEC 62061, ISO 13849-1:2015 category 2 PL c Electrical design DC / PNP Operating voltage 24 DC (19.2…28.8) Current consumption Transmitter [mA] 42... -
Page 31: Safety Light Curtains: 30 Mm Resolution
12.1.1 Safety light curtains: 30 mm resolution Total length L [mm] 963 1113 1263 1413 1563 1810 Protected area height [mm] 910 1060 1210 1360 1510 1863 Response time [ms] 12,5 14,5 17,5 19,5 19,5 Safety-related reliability [1/h] Test pulse duration t [µs] Test pulse interval T [ms]... -
Page 32: Safety Light Curtains: 90 Mm Resolution
12.1.4 Safety light curtains: 90 mm resolution Total length L [mm] 1113 1263 1413 1563 Protected area height [mm] 1060 1210 1360 1510 Response time [ms] Safety-related reliability [1/h] Test pulse duration t [µs] Test pulse interval T [ms] Ratio t 12.1.5 Safety light grids 2, 3 and 4 beams OY111S OY112S... -
Page 33: Safety Light Curtains / Light Grids Type 4
12.2 Safety light curtains / light grids type 4 Conforms to the requirements of: Type 4 IEC 61496-1, SILcl 3 IEC 62061, ISO 13849-1:2015 category 4 PL e Electrical design DC / PNP Operating voltage 24 DC (19.2…28.8) Current consumption Transmitter [mA] 42 Receiver... -
Page 34: Safety Light Curtains: 30 Mm Resolution
12.2.1 Safety light curtains: 30 mm resolution Total length L [mm] 213 363 513 663 813 963 1113 1263 1413 1563 1863 2163 Protected area height [mm] 160 310 460 610 760 910 1060 1210 1360 1510 1810 2110 Response time [ms] 8,5 10,5 15,5... -
Page 35: Safety Light Curtains: 90 Mm Resolution
12.2.4 Safety light curtains: 90 mm resolution Total length L [mm] 1113 1263 1413 1563 Protected area height [mm] 1060 1210 1360 1510 Response time [ms] Safety-related reliability [1/h] Test pulse duration t [µs] Test pulse interval T [ms] Ratio t 12.2.5 Safety light grids 2, 3 and 4 beams OY114S OY115S... -
Page 36: Fault Diagnosis Transmitter
2 consecutive Faulty connection Check connections pins 2 and 4 pulses pin 2/4 3/4 consecutive Internal fault Send device to ifm branch office for repair. pulses 13.2 Fault diagnosis receiver Possible cause Troubleshooting 2 consecutive Wrong configuration Check connections. pulses... -
Page 37: Maintenance, Repair And Disposal
14 Maintenance, repair and disposal • Maintain the optoelectronic protective equipment in accordance with the applicable national regulations in effect within the requested intervals. The tests must be performed by qualified persons. • It is recommended to regularly clean the front panes of the transmitter and the receiver. -
Page 38: Terms And Abbreviations
Safety integrity level SIL 1-4 to IEC 61508. The higher the SIL the lower the probability that a safety function will fail. Safety integrity level (to IEC 62061) claim limit Mission Time Technical data and further information at www.ifm.com... -
Page 39: Annex
16 Annex 16.1 Check list This check list serves as help for setting up the safety light curtains / light grids. The requirements in this check list should to be met, however depending on the application and the directives / standards referred to. 1.
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