Vega VEGAFLEX 80 Safety Manual Download Page 1

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Safety Manual

VEGAFLEX 80 series

4 … 20 mA/HART - two-wire

With SIL qualification

Document ID: 42960

Summary of Contents for VEGAFLEX 80

Page 1: ...Safety Manual VEGAFLEX 80 series 4 20 mA HART two wire With SIL qualification Document ID 42960...

Page 2: ...tics 4 1 Key figures acc to IEC 61508 6 4 2 Figures according to ISO 13849 1 6 4 3 Supplementary information 6 5 Setup 5 1 General information 8 5 2 Instrument parameter adjustment 8 6 Diagnostics and...

Page 3: ...ale Sicherheit ist verf gbar in den Sprachen Deutsch Englisch Franz sisch und Russisch EN The current Safety Manual for Functional Safety is available in German English French and Russian language FR...

Page 4: ...afety instrumented system according to IEC 61508 in the modes low demand mode and high demand mode Up to SIL2 in a single channel architecture Up to SIL3 in a multiple channel architecture The followi...

Page 5: ...he safety function and the characteristics set on the sensor Character istics Monitoring upper limit val ue Monitoring lower limit value 4 20 mA Output current Switching point Output current Switching...

Page 6: ...3849 1 Derived from the safety related characteristics the following figures result according to ISO 13849 1 machine safety 6 Parameter Value MTTFd 47 years DC 93 Performance Level 1 58 x 10 7 1 h cor...

Page 7: ...ected control and processing unit must have the following properties The output circuit of the transmitter is judged according to the idle current principle fail low and fail high signals are interpre...

Page 8: ...nual The documentation of the device settings is only possible with the full version of the DTM Collection For protection against unwanted or unauthorzed adjustment the set parameters must be protecte...

Page 9: ...st be considered as unreliable This applies until the parameters are verified and the adjustment is locked again If the parameter adjustment process is not carried out completely the device statuses d...

Page 10: ...he type of fault is outputted The fault messages are listed in the operating instructions 6 2 Repair If faults are detected the entire measuring system must be shut down and the process held in a safe...

Page 11: ...st the safety function must be treated as unreli able Take into account that the function test influences downstream connected devices If necessary you must take other measures to maintain the safety...

Page 12: ...test in the menu Diagnosis on the adjustment unit 3 Carry out the function test according to the operating instructions just like during initial operation To 1 Output signal corresponds to the level D...

Page 13: ...last function test Test reason Test scope Setup without function test Setup with function test Proof test without function test Proof test with function test Mode Overflow protection Dry run protecti...

Page 14: ...safe detected failure SU Rate for safe undetected failure S S SD SU DD Rate for dangerous detected failure DU Rate for dangerous undetected failure H Rate for failure who causes a high output current...

Page 15: ...15 10 Supplement C SIL conformity VEGAFLEX 80 series 4 20 mA HART two wire 42960 EN 140924 10 Supplement C SIL conformity...

Page 16: ...16 10 Supplement C SIL conformity VEGAFLEX 80 series 4 20 mA HART two wire 42960 EN 140924...

Page 17: ...17 Notes VEGAFLEX 80 series 4 20 mA HART two wire 42960 EN 140924...

Page 18: ...18 Notes VEGAFLEX 80 series 4 20 mA HART two wire 42960 EN 140924...

Page 19: ...19 Notes VEGAFLEX 80 series 4 20 mA HART two wire 42960 EN 140924...

Page 20: ...of delivery application practical use and operat ing conditions of the sensors and processing systems correspond to the information available at the time of printing Subject to change without prior n...