Rosemount 848T Specifikace Strana 81
- Strana / 136
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
73
Reference Manual
00809-0100-4697, Rev GA
Appendix B: Product Certifications
November 2014
Product Certificates
Special Conditions for Safe Use (X):
1. The component must be installed in a suitable component certified enclosure
that provides a degree of protection of at least IP54 and meets the relevant
material and environmental requirements of EN 60079-0:2006 and EN
60079-15:2005.
2. Provision must be made, external to the apparatus, to ensure the rated voltage of
the apparatus supply is not exceeded by transient disturbances of more than
40%.
3. The electrical circuit is connected directly to earth; this must be taken into
account when installing the apparatus.
Note
The 848T may also be installed in an external energy limited circuit as Ex nL IIC. In this case the
following parameters apply
ND ATEX Dust
Certificate: BAS01ATEX1315X
Standards: EN 50281-1-1:1998
Marking II 1 D T90 (-40 °C ≤ Ta ≤ +65 °C); IP66
Special Conditions for Safe Use (X):
1. The user must ensure that the maximum rated voltage and current (42.4 volts,
22 milliamp DC) are not exceeded. All connections to other apparatus or
associated apparatus shall have control over this voltage and current equivalent
to a category “ib” circuit according to EN 50020.
2. Component approved EEx e cable entries must be used which maintain the
ingress protection of the enclosure to at least IP66.
3. Any unused cable entry holes must be filled with component approved EEx e
blanking plugs.
4. The ambient temperature range of use shall be the most restrictive of the
apparatus, cable gland or blanking plug.
B.5 International
I7 IECEx Intrinsic Safety
Certificate: IECEx BAS 09.0030X
Standards: IEC 60079-0:2011, IEC60079-11:2011
Markings: II 1 G Ex ia IIC T4 Ga (– 50 °C ≤ T
a
≤ + 60 °C)
Table B-4. Baseefa Entity Parameters
Power/Bus (Input)
Sensor Field Terminal
(Output)
U
i
= 42.4 V U
o
= 12.5 V
C
i
= 2.1 nF I
o
= 2.5 mA
L
i
= 0 C
o
= 1000 mF
- L
o
= 1 H
- Transmitter with FOUNDATION 1
- fieldbus 1
- Transmitter with F 3
- Title Page 4
- 1Section 1: Introduction 5
- 2Section 2: Installation 5
- 3Section 3: Configuration 5
- AAppendix A: Reference Data 6
- DAppendix D: Function Blocks 8
- Section 1 Introduction 9
- 00809-0100-4697, Rev GA 10
- November 2014 10
- OUNDATION fieldbus Technology 10
- 1.3 Service support 11
- Section 1: Introduction 12
- Introduction 12
- Section 2 Installation 13
- 2-in. screws 14
- 2.3 Wiring 16
- RTD or ohm inputs 17
- Analog inputs 17
- 2.4 Grounding 19
- Shielded wire 20
- Grounded thermocouple inputs 21
- Analog device inputs 21
- 2.5 Switches 22
- 2.6 Tagging 22
- Transmitter tag 23
- Sensor tag 23
- 2.7 Installation 24
- 2.7.2 Using conduit entries 25
- Section 2: Installation 26
- Section 3 Configuration 27
- 3.2 Configuration 28
- 3.2.5 Alarms 29
- 3.2.6 Damping 29
- Typical profiling application 31
- OUNDATION fieldbus 33
- Section 3: Configuration 34
- Number Parameter Description 34
- OUNDATION 35
- How to use PlantWeb Alarm 39
- 3.4.3 PlantWeb alerts 40
- MAINT_ALARMS 41
- Advisory alarms 42
- RECOMMENDED_ACTION 43
- FD failed alarms 44
- Configuration 45
- FD CHECK ALARMS 47
- 3.4.7 Transducer blocks 49
- Transducer block errors 50
- Transducer block modes 50
- Automatic (Auto) 51
- Out of Service (OOS) 51
- 4.4.2 Resource block 64
- Appendix A Reference Data 65
- OUNDATION fieldbus parameters 66
- A.3 Function blocks 67
- A.4.1 Stability 68
- A.4.2 Self calibration 68
- A.4.3 Vibration effect 68
- A.4.5 Accuracy 68
- A.4.8 Analog sensors 4–20mA 69
- Reference Data 70
- Examples 71
- A.5 Dimensional drawings 72
- A.5.1 Mounting options 74
- A.6 Ordering information 75
- Approvals 77
- B.3.2 Canada 78
- B.4 Europe 79
- B.5 International 81
- B.5.1 Brazil 83
- B.5.2 China 84
- B.5.3 Japan 86
- B.6 Combinations 87
- B.8 Additional Certifications 88
- B.10 Installation drawings 90
- Product Certificates 91
- Appendix C FOUNDATION 99
- Technology 99
- C.3 Device descriptions 100
- C.4 Block operation 101
- C.5 Network communication 101
- C.5.1 LAS 102
- C.5.2 Addressing 103
- C.5.3 Scheduled transfers 104
- C.5.4 Unscheduled transfers 105
- OUNDATION Fieldbus Technology 106
- Appendix D Function Blocks 107
- Reference Manual 108
- Appendix D: Function Blocks 108
- Table 3-5 on page 11 108
- D.1.1 Functionality 110
- Filtering 111
- Signal conversion 111
- Indirect 111
- Indirect square root 112
- Block errors 112
- Alarm detection 113
- Status handling 114
- Advanced features 114
- Application information 114
- D.2.1 Functionality 118
- D.3.1 Functionality 125
- Block execution 127
- AVG_USE = 6 129
- Numerics 131
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