Beckhoff TwinSAFE Uživatelský manuál

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 -

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

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

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

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

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

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 -

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 /

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

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

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

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

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

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

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

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

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

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

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 /

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

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

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

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

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

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