background image

VEGAPULS

series

60

-

4

20

m

A

/

HART

13

F

unctional safety

31338

-

EN

-

070510

Summary of Contents for VEGAPULS 61

Page 1: ...Safety Manual VEGAPULS series 60 4 20 mA HART Radar...

Page 2: ...1 2 Planning 5 1 3 Instrument parameter adjustment 7 1 4 Setup 9 1 5 Reaction during operation and in case of failure 9 1 6 Recurring function test 9 1 7 Safety related characteristics 10 2 VEGAPULS s...

Page 3: ...le up to SIL2 in a single channel architecture 1oo1D and up to SIL3 in a multiple channel diverse redundant architecture The use of the measuring system in a multiple channel homogeneous redundant arc...

Page 4: ...for the process industry sector Part 1 Framework de ni tions system hardware and software requirements Failure limit values for a safety function depending on the SIL class of IEC 61508 1 7 6 2 Safety...

Page 5: ...signal is transmitted to a connected processing unit to monitor the following conditions l Exceeding a preset level l Falling below a preset level When the switching point set on the processing unit i...

Page 6: ...3 5 12 If the ratio of the internal diagnostics test rate of the measuring system to the demand rate exceeds the value 100 the measuring system can be treated as if it is executing a safety function i...

Page 7: ...t used for transmission of safety relevant information The measuring system should be used appropriately taking pressure temperature density dielectric value and chemical properties of the medium into...

Page 8: ...fter connecting the instrument the output signal jumps to the set interference current at the end of the switch on phase l In mode Simulation the signal current can be simulated independent of the act...

Page 9: ...anual If due to a detected failure the electronics or the complete sensor is exchanged the manufacturer must be informed incl a fault description 1 6 Recurring function test The recurring function tes...

Page 10: ...7 Safety related characteristics The failure rates of the electronics the mechanical parts of the transmitter as well as the process tting are determined by an FMEDA according to IEC 61508 The calcula...

Page 11: ...executable sensor software 15 h VEGAPULS 68 and VEGAPULS 61 62 63 with increased sensitivity E013 no measured value available 2 36 min depending on the application E042 E043 hardware error 4 min E036...

Page 12: ...5 years 4 PFDavg after 10 years Multiple channel architecture If the measuring system is used in a multiple channel architecture the safety relevant characteristics of the selected structure of the m...

Page 13: ...VEGAPULS series 60 4 20 mA HART 13 Functional safety 31338 EN 070510...

Page 14: ...14 VEGAPULS series 60 4 20 mA HART Functional safety 31338 EN 070510...

Page 15: ...VEGAPULS series 60 4 20 mA HART 15 Functional safety 31338 EN 070510...

Page 16: ...om www vega com ISO 9001 All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information avail able a...

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