Beckhoff TwinSAFE User Manual

Browse online or download User Manual for Equipment Beckhoff TwinSAFE. BECKHOFF TwinSAFE User Manual

  • Download
  • Add to my manuals
  • Print

Summary of Contents

Page 1 - TwinSAFE

Application guide TwinSAFE Version: 1.3.1 Date: 2012-02-01

Page 2

Circuit examples 8 Application Guide TwinSAFE 2.1.2 Block formation and safety loops 2.1.2.1 Block 1 2.1.3 Calculation 2.1.3.1 PFH / MTTFd

Page 3 - Table of contents

Circuit examples 98 Application Guide TwinSAFE results in a          S1:          K1/K

Page 4

Circuit examples Application Guide TwinSAFE 99 as: 

Page 5 - Appendix 138

Circuit examples 100 Application Guide TwinSAFE = 

Page 6 - 1 Foreword

Circuit examples Application Guide TwinSAFE 101 2.17 Feeding in a potential group (Category 4, PL e) The protective door uses a combination of bre

Page 7 - 1.2 Safety instructions

Circuit examples 102 Application Guide TwinSAFE 2.17.1 Parameters of the safe input and output terminals EL1904 (applies to all EL1904 used) Param

Page 8 - 1.2.4 Explanation of terms

Circuit examples Application Guide TwinSAFE 103 2.17.3.2 Diagnostic Coverage DC Component Value S1/S2 with testing/plausibility DCavg=99% K1/K2

Page 9 - 2 Circuit examples

Circuit examples 104 Application Guide TwinSAFE S1:          S2:          K1/K2: 

Page 10

Circuit examples Application Guide TwinSAFE 105 as: 

Page 11

Circuit examples 106 Application Guide TwinSAFE Notice Category This structure is possible up to category 4 at the most. MTTFd Designation for e

Page 12

Circuit examples Application Guide TwinSAFE 107 2.18 Feeding in a potential group (Category 4, PL e) The protective door uses a combination of bre

Page 13

Circuit examples Application Guide TwinSAFE 9 Inserting the values, this produces: S1:          

Page 14 - DC

Circuit examples 108 Application Guide TwinSAFE BK9000BECKHOFFKL9010BECKHOF FI/O RUNI/O ERRKL2xx2BECKHOF FKL2xx2BECKHOFFKL9xxxBECKHOFFKL2xx2BECKHOF

Page 15

Circuit examples Application Guide TwinSAFE 109 2.18.2 Block formation and safety loops 2.18.2.1 Block 1 2.18.3 Calculation 2.18.3.1 PFH

Page 16 - S1 EL1904 EL6900

Circuit examples 110 Application Guide TwinSAFE Inserting the values, this produces: S1:          

Page 17

Circuit examples Application Guide TwinSAFE 111 The following assumptions have to be made now: The door switches S1/S2 are always actuated in oppo

Page 18

Circuit examples 112 Application Guide TwinSAFE If only PFH values are available for EL1904 and EL6900, the following estimation applies: 

Page 19

Circuit examples Application Guide TwinSAFE 113 Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 20

Circuit examples 114 Application Guide TwinSAFE 2.19 Networked plant (Category 4, PL e) In this case, 2 plants are connected via Ethernet. The path

Page 21

Circuit examples Application Guide TwinSAFE 115 2.19.1 Parameters of the safe input and output terminals EL1904 (applies to all EL1904 used) Para

Page 22 - 2.3.3 Calculation

Circuit examples 116 Application Guide TwinSAFE 2.19.3.2 Diagnostic Coverage DC Component Value S1 with testing/plausibility DCavg=99% S2 with p

Page 23

Circuit examples Application Guide TwinSAFE 117 results in a          S1:          S

Page 24

Circuit examples 10 Application Guide TwinSAFE This produces for the calculation of the PFH value for block 1:     

Page 25

Circuit examples 118 Application Guide TwinSAFE as: 

Page 26

Circuit examples Application Guide TwinSAFE 119 = 

Page 27

Circuit examples 120 Application Guide TwinSAFE 2.20 Drive option AX5801 with stop function SS1 (Category 4, PL e) By activating the emergency stop

Page 28

Circuit examples Application Guide TwinSAFE 121 2.20.1 Parameters of the safe input and output terminals EL1904 (applies to all EL1904 used) Para

Page 29

Circuit examples 122 Application Guide TwinSAFE 2.20.3.2 Diagnostic Coverage DC Component Value S1 with testing/plausibility DCavg=99% AX5801 D

Page 30

Circuit examples Application Guide TwinSAFE 123 The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, e

Page 31

Circuit examples 124 Application Guide TwinSAFE Hence:          

Page 32

Circuit examples Application Guide TwinSAFE 125 Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 33

Circuit examples 126 Application Guide TwinSAFE 2.21 Drive option AX5805 with stop function SS2 (Category 4, PL e) The protective door is connected

Page 34

Circuit examples Application Guide TwinSAFE 127 AX5805 Parameter Value - 2.21.2 Block formation and safety loops 2.21.2.1 Block 1 2.21.

Page 35

Circuit examples Application Guide TwinSAFE 11            

Page 36

Circuit examples 128 Application Guide TwinSAFE Inserting the values, this produces: S1:          

Page 37

Circuit examples Application Guide TwinSAFE 129 The MTTFd value for block 1 (based on the same assumption) is calculated with:  

Page 38

Circuit examples 130 Application Guide TwinSAFE = 

Page 39

Circuit examples Application Guide TwinSAFE 131 2.22 Direct wiring of the TwinSAFE outputs to TwinSAFE inputs (single-channel) (Category 1, PL c)

Page 40 - 2.6.3 Calculation

Circuit examples 132 Application Guide TwinSAFE 2.22.3.2 Diagnostic Coverage DC Component Value EL1904/EL2904 DCavg=0% 2.22.3.3 Calculation fo

Page 41

Circuit examples Application Guide TwinSAFE 133 Notice Category This structure is possible up to category 1 at the most. MTTFd Designation for

Page 42

Circuit examples 134 Application Guide TwinSAFE 2.23 Direct wiring of the TwinSAFE outputs to TwinSAFE inputs (2-channel) (Category 3, PL d) Two ou

Page 43

Circuit examples Application Guide TwinSAFE 135 2.23.3 Calculation 2.23.3.1 PFH / MTTFd /B10d – values Component Value EL1904 – PFH 1.11E-09

Page 44 - - c c d d d e

Circuit examples 136 Application Guide TwinSAFE           

Page 45

Technical report – TÜV Süd Application Guide TwinSAFE 137 3 Technical report – TÜV Süd

Page 46 - 2.7.3 Calculation

Circuit examples 12 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low

Page 47

Appendix 138 Application Guide TwinSAFE 4 Appendix 4.1 Beckhoff Support and Service Beckhoff and their partners around the world offer comprehens

Page 48

Circuit examples Application Guide TwinSAFE 13 2.2 ESTOP function variant 2 (Category 3, PL d) The emergency stop button is connected via two bre

Page 49

Circuit examples 14 Application Guide TwinSAFE 2.2.2 Block formation and safety loops 2.2.2.1 Block 1 2.2.3 Calculation 2.2.3.1 PFH / MTTF

Page 50

Circuit examples Application Guide TwinSAFE 15    Insertion of the values results in: S1:       

Page 51

Circuit examples 16 Application Guide TwinSAFE and K2 are identical. There is a coupling coefficient between the components that are connected via

Page 52

Circuit examples Application Guide TwinSAFE 17     Hence:     

Page 54

Circuit examples 18 Application Guide TwinSAFE DCavg Designation Range none DC < 60 % low 60 % ≤ DC < 90 % medium 90 % ≤ DC < 99 % high 99

Page 55

Circuit examples Application Guide TwinSAFE 19 2.3 ESTOP function variant 3 (Category 4, PL e) The emergency stop button is connected via two bre

Page 56

Circuit examples 20 Application Guide TwinSAFE EL2904 Parameter Value Current measurement active Yes Output test pulses active Yes 2.3.2 Block

Page 57

Circuit examples Application Guide TwinSAFE 21 From:    and:    Inserting the values, this produces: S1: 

Page 58

Circuit examples 22 Application Guide TwinSAFE The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, err

Page 59

Circuit examples Application Guide TwinSAFE 23     If only PFH values are available for EL1904 and EL6900, the following

Page 60

Circuit examples 24 Application Guide TwinSAFE MTTFd Designation for each channel Range for each channel low 3 years ≤ MTTFd < 10 years medium 1

Page 61

Circuit examples Application Guide TwinSAFE 25 2.4 ESTOP function variant 4 (Category 4, PL e) The emergency stop button with two break contacts,

Page 62

Circuit examples 26 Application Guide TwinSAFE 2.4.2 Block formation and safety loops 2.4.2.1 Block 1 2.4.3 Calculation 2.4.3.1 PFH / MTTFd

Page 63 - (Category 4, PL e)

Circuit examples Application Guide TwinSAFE 27    Inserting the values, this produces: S1:       

Page 64

Table of contents Application Guide TwinSAFE 1 Table of contents 1 Foreword 4 1.1 Notes on the manual 4 1.1.1 Disclaimer 4 1.1.2 Trademarks 4

Page 65

Circuit examples 28 Application Guide TwinSAFE The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, err

Page 66

Circuit examples Application Guide TwinSAFE 29 If only PFH values are available for EL1904 and EL6900, the following estimation applies: 

Page 67

Circuit examples 30 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 68

Circuit examples Application Guide TwinSAFE 31 2.5 ESTOP function variant 5 (Category 4, PL e) The emergency stop button with two break contacts,

Page 69

Circuit examples 32 Application Guide TwinSAFE 2.5.2 Block formation and safety loops 2.5.2.1 Block 1 2.5.3 Calculation 2.5.3.1 PFH / MTTFd

Page 70

Circuit examples Application Guide TwinSAFE 33    Inserting the values, this produces: S1:       

Page 71 - 2.11.3 Calculation

Circuit examples 34 Application Guide TwinSAFE The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, err

Page 72

Circuit examples Application Guide TwinSAFE 35 If only PFH values are available for EL1904 and EL6900, the following estimation applies: 

Page 73

Circuit examples 36 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 74

Circuit examples Application Guide TwinSAFE 37 2.6 ESTOP function variant 6 (Category 3, PL d) The emergency stop button with two break contacts,

Page 75

Table of contents 2 Application Guide TwinSAFE 2.7.1 Parameters of the safe input and output terminals 43 2.7.2 Block formation and safety loops

Page 76

Circuit examples 38 Application Guide TwinSAFE EL2904 Parameter Value Current measurement active No Output test pulses active No 2.6.2 Block

Page 77

Circuit examples Application Guide TwinSAFE 39 2.6.3.3 Calculation for block 1 Calculation of the PFH and MTTFd values from the B10d values: From

Page 78

Circuit examples 40 Application Guide TwinSAFE The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, err

Page 79

Circuit examples Application Guide TwinSAFE 41 If only PFH values are available for EL1904 and EL6900, the following estimation applies: 

Page 80

Circuit examples 42 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 81

Circuit examples Application Guide TwinSAFE 43 2.7 ESTOP function variant 7 (Category 4, PL e) The emergency stop button with two break contacts,

Page 82

Circuit examples 44 Application Guide TwinSAFE EL2904 Parameter Value Current measurement active Yes Output test pulses active Yes 2.7.2 Block

Page 83 - EL2904 Scanner

Circuit examples Application Guide TwinSAFE 45 2.7.3.3 Calculation for block 1 Calculation of the PFH and MTTFd values from the B10d values: From

Page 84

Circuit examples 46 Application Guide TwinSAFE The following assumptions have to be made now: Safety switch S1: According to BIA report 2/2008, err

Page 85

Circuit examples Application Guide TwinSAFE 47 Hence:          

Page 86

Table of contents Application Guide TwinSAFE 3 2.17 Feeding in a potential group (Category 4, PL e) 101 2.17.1 Parameters of the safe input and

Page 87

Circuit examples 48 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a -

Page 88

Circuit examples Application Guide TwinSAFE 49 2.8 Protective door function variant 1 (Category 3, PL d) The protective door uses a combination o

Page 89

Circuit examples 50 Application Guide TwinSAFE 2.8.2 Block formation and safety loops 2.8.2.1 Block 1 2.8.3 Calculation 2.8.3.1 PFH / MTTF

Page 90

Circuit examples Application Guide TwinSAFE 51 Inserting the values, this produces: S1:          

Page 91

Circuit examples 52 Application Guide TwinSAFE Relays K1 and K2 are both connected to the safety function. The non-functioning of a relay does not

Page 92

Circuit examples Application Guide TwinSAFE 53 Hence:          

Page 93

Circuit examples 54 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a -

Page 94 - 

Circuit examples Application Guide TwinSAFE 55 2.9 Protective door function variant 2 (Category 4, PL e) The protective door uses a combination o

Page 95

Circuit examples 56 Application Guide TwinSAFE 2.9.2 Block formation and safety loops 2.9.2.1 Block 1 2.9.3 Calculation 2.9.3.1 PFH / MTTF

Page 96

Circuit examples Application Guide TwinSAFE 57 Inserting the values, this produces: S1:          

Page 97

Foreword 4 Application Guide TwinSAFE 1 Foreword 1.1 Notes on the manual This description is only intended for the use of trained specialists in c

Page 98 - 2.16.3 Calculation

Circuit examples 58 Application Guide TwinSAFE The following assumptions must now be made: The door switches S1/S2 are always actuated in opposite

Page 99

Circuit examples Application Guide TwinSAFE 59 If only PFH values are available for EL1904 and EL6900, the following estimation applies: 

Page 100

Circuit examples 60 Application Guide TwinSAFE Category B 1 2 2 3 3 4 DC MTTFd none none low medium low medium high low a

Page 101

Circuit examples Application Guide TwinSAFE 61 2.10 Protective door function with area monitoring (Category 4, PL e) The protective door uses a co

Page 102 - DC

Circuit examples 62 Application Guide TwinSAFE 2.10.1 Parameters of the safe input and output terminals EL1904 (upper EL1904 on the drawing) Param

Page 103 - BECKHOFF

Circuit examples Application Guide TwinSAFE 63 2.10.3 Calculation 2.10.3.1 PFH / MTTFd /B10d – values Component Value EL1904 – PFH 1.11E-09

Page 104 - 2.17.3 Calculation

Circuit examples 64 Application Guide TwinSAFE S2:             S3:     

Page 105

Circuit examples Application Guide TwinSAFE 65 The following assumptions must now be made: The door switches S1/S2 are always actuated in opposite

Page 106

Circuit examples 66 Application Guide TwinSAFE with:             

Page 107

Circuit examples Application Guide TwinSAFE 67 Notice Category This structure is possible up to category 4 at the most. The monitoring of sensors

Page 108

Foreword Application Guide TwinSAFE 5 1.2 Safety instructions 1.2.1 Delivery state All the components are supplied in particular hardware and so

Page 109

Circuit examples 68 Application Guide TwinSAFE 2.11 Protective door function with tumbler (Category 4, PL e) The protective door has two contacts,

Page 110

Circuit examples Application Guide TwinSAFE 69 EL2904 (applies to all EL2904 used) Parameter Value Current measurement active Yes Output test

Page 111

Circuit examples 70 Application Guide TwinSAFE 2.11.3.2 Diagnostic Coverage DC Component Value S1 with testing DCavg=90% S2 with testing and exp

Page 112

Circuit examples Application Guide TwinSAFE 71 Restart:             Tumbler: 

Page 113

Circuit examples 72 Application Guide TwinSAFE The following assumptions have to be made now: The door switches S1/S2 must both be actuated. Since

Page 114

Circuit examples Application Guide TwinSAFE 73 with:            

Page 115

Circuit examples 74 Application Guide TwinSAFE 

Page 116 - Ethernet

Circuit examples Application Guide TwinSAFE 75 2.12 Two-hand control (Category 4, PL e) The two-hand buttons each consist of a combination of brea

Page 117 - 2.19.3 Calculation

Circuit examples 76 Application Guide TwinSAFE 2.12.2 Block formation and safety loops 2.12.2.1 Block 1 2.12.3 Calculation 2.12.3.1 PFH / M

Page 118

Circuit examples Application Guide TwinSAFE 77 Inserting the values, this produces: S1/S2:         

Page 119

Foreword 6 Application Guide TwinSAFE 1.2.3 Description of safety symbols The following safety symbols are used in these operating instructions. T

Page 120

Circuit examples 78 Application Guide TwinSAFE This produces for the calculation of the PFH value for block 1: β 

Page 121

Circuit examples Application Guide TwinSAFE 79            

Page 122

Circuit examples 80 Application Guide TwinSAFE 2.13 Laser scanner (Category 3, PL e) The laser scanner has two OSSD outputs (Output Signal Switchin

Page 123 - 2.20.3 Calculation

Circuit examples Application Guide TwinSAFE 81 2.13.2 Block formation and safety loops 2.13.2.1 Block 1 2.13.3 Calculation 2.13.3.1 PFH /

Page 124

Circuit examples 82 Application Guide TwinSAFE Inserting the values, this produces: K1/K2:          

Page 125

Circuit examples Application Guide TwinSAFE 83 as:  with

Page 126

Circuit examples 84 Application Guide TwinSAFE MTTFd Designation for each channel Range for each channel low 3 years ≤ MTTFd < 10 years medium

Page 127

Circuit examples Application Guide TwinSAFE 85 2.14 Light curtain (Category 4, PL e) The light curtain has two OSSD outputs (Output-Signal-Switchi

Page 128

Circuit examples 86 Application Guide TwinSAFE 2.14.2 Block formation and safety loops 2.14.2.1 Block 1 2.14.3 Calculation 2.14.3.1 PFH / M

Page 129

Circuit examples Application Guide TwinSAFE 87 Inserting the values, this produces: K1/K2:          

Page 130

Circuit examples Application Guide TwinSAFE 7 2 Circuit examples 2.1 ESTOP function variant 1 (Category 3, PL d) The emergency stop button is co

Page 131

Circuit examples 88 Application Guide TwinSAFE as: 

Page 132

Circuit examples Application Guide TwinSAFE 89 Notice Category This structure is possible up to category 4 at the most through the use of the typ

Page 133 - 2.22.3 Calculation

Circuit examples 90 Application Guide TwinSAFE 2.15 Safety switching mat / safety bumper (Category 4, PL e) Safety switching mats or safety bumpers

Page 134

Circuit examples Application Guide TwinSAFE 91 2.15.2 Block formation and safety loops 2.15.2.1 Block 1 2.15.3 Calculation 2.15.3.1 PFH /

Page 135

Circuit examples 92 Application Guide TwinSAFE Inserting the values, this produces: K1/K2:          

Page 136

Circuit examples Application Guide TwinSAFE 93 to:   

Page 137

Circuit examples 94 Application Guide TwinSAFE Notice Category Category 4 is attainable due to the structure of the circuit. MTTFd Designation f

Page 138

Circuit examples Application Guide TwinSAFE 95 2.16 Muting (Category 4, PL e) The light curtain has two OSSD outputs (Output-Signal-Switching-Devi

Page 139 - Technical report – TÜV Süd

Circuit examples 96 Application Guide TwinSAFE EL2904 Parameter Value Current measurement active Yes Output test pulses active Yes 2.16.2 B

Page 140 - 4 Appendix

Circuit examples Application Guide TwinSAFE 97 2.16.3.2 Diagnostic Coverage DC Component Value OSSD1/2 with testing (by light curtain) / plausib

Comments to this Manuals

No comments