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Eaton ESR5-BWS-31-24VDC, Manual

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Eaton ESR5-BWS-31-24VDC Manual Download Page 36

5 Application examples

33

ESR5-BWS-31-24VDC

    11/23 MN049020EN    Eaton.com

5 Application examples

5.1 Dual-channel light grid monitoring (shunted connection recognition by light grid)

OSSD1 OSSD2

Lichtgitter Typ 4

Sender

Empfänger

ESR5-BWS-31-24VDC

K4

K3

M

0 V

S11

S12

24 V DC

13

23

33

34

14

24

K3

K4

A2

S33

S34

S22

S35

A1

K4

K3

42

41

S2

0 V

0 V

24 V

•

Manual activation

•

Automatic activation with jumper at S33-S35

•

Suitable up to category 4, PL e (EN ISO 13849-1), SIL 3 (EN IEC 62061)

Figure 18:

Dual-channel light grid monitoring

Reset S2 - manual reset device
K3, K4 - interlocked opposing contactors

￫

Contactor K4 is not absolutely necessary to achieve Category 1.

Summary of Contents for ESR5-BWS-31-24VDC

Page 1: ...Manual ESR5 BWS 31 24VDC Safety relays for emergency stop protective door and light grid monitoring 11 23 MN049020EN...

Page 2: ...All editions of this document other than those in German language are trans lations of the original operating manual 1 Edition 2023 publication date 11 23 See change log in chapter About this manual 2...

Page 3: ...ces Ensure a reliable electrical isolation of the low voltage for the 24 volt supply Only use power supply units complying with IEC 60364 4 41 VDE 0100 Part 410 or HD 384 4 41 S2 Deviations of the mai...

Page 4: ...0 1 11 Heat dissipation calculation 12 1 12 Block diagram 13 1 13 Derating 14 1 13 1 Use at altitudes greater than 2000 m above sea level NN 14 1 14 Load curve resistive load 15 1 15 Electrical lifesp...

Page 5: ...4 Maintenance 29 4 1 Maintenance 29 4 1 1 Proof Test 29 4 2 Storage and transport 30 4 2 1 Decommissioning and disposal 30 4 2 2 Device replacement and repair 30 4 3 Diagnostics 31 4 3 1 General state...

Page 6: ...neering knowledge and skills 0 1 List of revisions The following significant amendments have been introduced since previous issues Due to the fact that we cannot know the details of your specific appl...

Page 7: ...prevention and occupational health and safety regu lations 0 3 Additional documents ATTENTION For further information see the applicable documentation IL049016ZU Safety relay data sheet ESR5 BWS 31 24...

Page 8: ...e followed Hazard warnings of personal injury Hazard warnings of material damages Tips Warns of hazardous situations that result in serious injury or death Warns of the possibility of hazardous situat...

Page 9: ...um degree of protection of IP54 The ESR5 BWS 31 24VDC must be used only in locations for which the device is approved Make sure to read and Observe the markings on the device as well as section Approv...

Page 10: ...ingle channel Automatic or manual start 1 5 Achievable level of safety integrity Category 4 PL e EN ISO 13849 1 SIL 3 EN IEC 62061 Section 5 Application examples page33 1 6 Other Features Plug in scre...

Page 11: ...rol and display elements Figure 1 ESR5 BWS 31 24VDC a Metal lock for installation on the mounting rail b Plug in screw terminals COMBICON c 13 14 23 24 33 34 non delayed enable current paths d 41 42 s...

Page 12: ...ection 3 4 3 Terminal models Signal encoder page28 Automatic start The device will start automatically after the sensor circuit is closed Manual monitored start If the sensor circuit is closed the dev...

Page 13: ...grams Time diagram automatic start Figure 2 Time diagram automatic start A1 A2 S33 S34 S12 S22 13 14 41 42 Time diagram manual start Figure 3 Time diagram manual start Designation Explanation A1 A2 Po...

Page 14: ...4 K1 K2 13 14 41 42 1 Description ESR5 BWS 31 24VDC 11 ESR5 BWS 31 24VDC 11 23 MN049020EN Eaton com Time diagram manual monitored start with fault scenario Figure 4 Time diagram manual monitored start...

Page 15: ...ct IL1 IL2 ILn x 200 m Total heat dissipations PTotal PInput PContact now then PTotal UB UN IN n x IL x 200 m or PTotal UB UN IN IL1 IL2 ILn x 200 m The safety relay s total heat dissipation is yielde...

Page 16: ...ing contact enable current path is also carrying the same potential Safe isolation reinforced insulation rated surge voltage 6 kV The reinforced insulation is designed one overvoltage category higher...

Page 17: ...curve vertical mounting positions without distance 1 13 1 Use at altitudes greater than 2000 m above sea level NN The use of the device ESR5 BWS 31 24VDC at altitudes higher than 2000 m above sea leve...

Page 18: ...oints in the derating curve by the temperature derating factor Calculation example for shifting the derating curve Figure 8 Example Shifted derating curve blue at altitude of 3000 m above sea level 1...

Page 19: ...4VDC 11 23 MN049020EN Eaton com 16 1 15 Electrical lifespan A n A n Figure 10 Number of switching cycles AC 1 Figure 11 Number of switching cycles DC 1 A n A n Figure 12 Number of switching cycles AC...

Page 20: ...ards to the user or result in serious property damage Please observe all safety standards regulations and instruc tions regarding electrical equipment as well as those estab lished by the applicable e...

Page 21: ...afety relay in an enclosure protected from water sprays and limited dust ingress IP54 Wire the device as required for the intended use Section 5 Application examples page33 ATTENTION Risk of property...

Page 22: ...ned and or briefed and be informed of all hazards and risks associated with the device 2 2 3 Device documentation This manual is considered an integral part of the ESR5 BWS 31 24VDC and must always be...

Page 23: ...be carried out correctly We assume no liability for damages consequential damages and or acci dents caused by the following Failure to follow any applicable occupational health and safety rules stand...

Page 24: ...e so as to ensure that the fuse will blow reliably in the event of a fault Make sure that the output voltage of the power supply does not exceed 24 VDC 15 10 even in the event of a fault 2 3 3 Mismatc...

Page 25: ...the load not parallel to the switching contact Magnetic fields can affect the device The surroundings magnetic field strength must not exceed 30 A m Do not use the device in the proximity of strong m...

Page 26: ...ndards specified in the EU Declaration of Conformity etc 2 6 2 Risk assessment validation and functional test Before using the device carry out a risk assessment on the machine or system Validate your...

Page 27: ...rformed and then elsewhere 4 Disconnect the ground wire from the system components first then from the ground 5 Do not touch system components or cables without a ground wire if there was one previous...

Page 28: ...together with the document IL049016ZU Check the ESR5 BWS 31 24VDC s packaging for transit damage Carefully remove the packaging in order to avoid damaging the device Check the package contents for vis...

Page 29: ...in assignment A1 Power supply 24 VDC A2 Power supply 0 V S11 Sensor circuit output S12 Input circuit safety sensor switch 1 S22 Input circuit safety sensor switch 2 S33 S34 Start circuit manual S33 S3...

Page 30: ...les Apply the nominal input voltage UN 24 V DC to terminals A1 A2 The Power LED is lit Connect the sensor circuit as per the wiring to S11 S12 S22 Automatic start The signal current path 41 42 opens T...

Page 31: ...ck circuit Automatic start Connect the contacts S33 S35 Manual monitored start Connect a reset pushbutton to contacts S33 S34 A connected reset pushbutton is monitored Start and feedback circuit To mo...

Page 32: ...ety function To verify the device s function follow the steps below Activate the safety function by activating the corresponding protective device e g the emergency stop button Check whether the safet...

Page 33: ...ice in conformity with its intended use Store and transport the device in conformity with the corresponding specifications Section 4 2 Storage and transport page30 The device is no longer used Dispose...

Page 34: ...LED on LED State Possible cause Remedy Power K1 K2 The sensor circuits are active No supply voltage or undervoltage at A1 A2 Check the supply voltage The sensor circuit is being actively driven but t...

Page 35: ...e External error Check whether the second channel is opened with the sensor s request Internal error Performapower downresetfollowedbya function test If the error occurs again after the function test...

Page 36: ...r ESR5 BWS 31 24VDC K4 K3 M 0 V S11 S12 24 V DC 13 23 33 34 14 24 K3 K4 A2 S33 S34 S22 S35 A1 K4 K3 42 41 S2 0 V 0 V 24 V Manual activation Automatic activation with jumper at S33 S35 Suitable up to c...

Page 37: ...annel EMERGENCY STOP monitoring without shunted connection recognition with monitored Reset pushbutton Manual activation Automatic activation with jumper at S33 S35 Suitable up to category 3 PL d EN I...

Page 38: ...ton com 5 3 Single channel EMERGENCY STOP monitoring Manual activation Automatic activation with jumper at S33 S35 Suitable up to category 1 PL c EN ISO 13849 1 SIL 1 EN IEC 62061 Figure 20 Single cha...

Page 39: ...nted connection recognition with mon itored Reset pushbutton Manual activation Automatic activation with jumper at S33 S35 Suitable up to category 3 PL d EN ISO 13849 1 SIL 2 EN IEC 62061 Figure 21 Tw...

Page 40: ...ons in the technical data applied to the ESR5 BWS 31 24VDC at the time of this manual s publication and can accordingly differ from the specifications for the product found on the Internet Supply Rate...

Page 41: ...test pulses min 100 ms test pulse rate for low test pulses No light test pulses high test pulses allowed Maximum permissible total cable resistance 50 Simultaneity Suppressor circuit Suppressor diode...

Page 42: ...quency max 0 5 Hz Lifespan mechanical 10x 106 switching operations Switching capacity to IEC 60947 5 1 5 A AC 15 6 A DC 13 Output fuse 10 A gL gG 4 A gL gG for low demand applications Relay outputs si...

Page 43: ...rotection type IP20 Protection type Installation location minimum IP54 Mounting type Rail mounting Mounting position Vertical or horizontal Mounting instruction See derating curve Type of housing Oper...

Page 44: ...20 C 55 C observe derating Ambient temperature storage transport 40 C 70 C Max permissible relative humidity operation 75 on average 85 occasionally no condensation Max permissible relative humidity s...

Page 45: ...onths Lifetime 240 months Technical safety parameters for IEC 61508 Low Demand Device type static Type A HFT Hardware Fault Tolerance 1 SIL 1 up to SIL 3 depending on the application PFDavg 1 50x 10 4...

Page 46: ...rt circuit S34 S35 Source drain Interface type Additional measure Source drain Suitable interface type Drain A M Source A Drain C0 M Source C1 C2 C3 Interface type A drain Parameter min normally max I...

Page 47: ...Internal resistance Ri in switched state Load 1 A 200 m Load 10 mA 40 Load capacity CL See switching capacity Inductive load LL See switching capacity Potential free Yes Additional measure M The input...

Page 48: ...stance Ri in switched state Load 1 A 100 m Load 10 mA 20 Load capacity CL See switching capacity Inductive load LL See switching capacity Potential free Yes Additional measure M The outputs are not ty...

Page 49: ...t in the area of protection defined with two dimensions diffusely reflects the beam generated by the device ESPE Electro sensitive protective equipment CCF Common Cause Failure Common cause failure DC...

Page 50: ...rs manage power today and well into the future By capitalizing on the global growth trends of electrification and digitalization we re accelerating the planet s transition to renewable energy helping...

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