Rosemount 848T Specifikace Strana 125
- Strana / 136
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
115
Reference Manual
00809-0100-4697, Rev GA
Appendix D: Function Blocks
November 2014
Function Blocks
D.3.1 Functionality
Figure D-5. Input Selector Function Block Schematic
36 ALARM_HYS Percent The amount the alarm value must return within the
alarm limit before the associated active alarm condition
clears
37 HI_HI-PRI None The priority of the HI HI alarm
38 HI_HI_LIM Percent The setting for the alarm limit used to detect the HI HI
alarm condition.
39 HI_PRI None The priority of the HI alarm
40 HI_LIM EU of IN The setting for the alarm limit used to detect the HI
alarm condition
41 LO_PRI None The priority of the LO alarm
42 LO_LIM EU of IN The setting of the alarm limit used to detect the LO
alarm condition
43 LO_LO_PRI None The priority of the LO LO alarm
44 LO_LO_LIM EU of IN The setting for the alarm limit sued to detect the LO LO
alarm condition
45 HI_HI_ALM None The HI HI alarm data, which includes a value of the
alarm, a timestamp of occurrence and the state of the
alarm
46 HI_ALM None The HI alarm data, which includes a value of the alarm,
a timestamp of occurrence and the state of the alarm
47 LO_ALM None The LO alarm data, which includes a value of the alarm,
a timestamp of occurrence and the state of the alarm
48 LO_LO_ALM None The LO LO alarm data, which includes a value of the
alarm, a timestamp of occurrence and the state of the
alarm
49 OUT_D None Discrete output to indicate a selected alarm value
50 ALM_SEL None Used to select the process alarm conditions that will
cause the OUT_D parameter to be set.
Table D-6. Input Selector Function Block Parameters
Number Parameter Units Description
Mode Logic
OP_SELECT
OUT_D
Alarm
MIN_GOOD
STATUS_OPTS
DISABLE_n
IN_n
Selection
Logic
SELECT_TYPE
SELECTED
OUT
- 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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