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Rosemount 8742C
Emerson Rosemount 8742C - User Manual
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Reference Manual
00809-0100-4793, Rev CA
August 2004
Rosemount 8742C Magnetic Flowmeter
T
ransmitter with F
OUNDATION
™
Fieldbus and
8700 Series Magnetic Flowmeter Flowtube
P
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Table of Contents
Main Page
Table of Contents
5
System Description
9
Section 1 Introduction
9
Safety Messages
11
Return of Materials
11
Safety Information
13
Transmitter Symbols
14
Pre-Installation
14
Identify Options and Configurations
14
Hardware Switches
14
Simulate Enable
14
Transmitter Security
14
Changing Hardware Switch Settings
15
Rotate Transmitter Housing
15
Wiring
16
Conduit Ports and Connections
16
Conduit Connections
16
Conduit Cables
17
Transmitter Coil Input
17
Installation Category
18
Overcurrent Protection
18
Transmitter Communication Input
18
Power Conditioning
18
Field Wiring
18
Transmitter Wiring Connection
19
Transmitter to Flowtube Wiring
20
Flowtube to Remote Mount Transmitter Connections
21
Flowtube to Integral Mount Transmitter Connections
22
Safety Messages
23
Flowtube Handling
25
Flowtube Mounting
26
Upstream/Downstream
26
Piping
26
Flowtube Orientation
26
Flow Direction
28
Installation (Flanged Flowtube)
29
Gaskets
29
Flange Bolts
29
Installation (Wafer Flowtube)
32
Gaskets
32
Flange Bolts
33
Installation (Sanitary Flowtube)
34
Gaskets
34
Alignment and Bolting
34
Grounding
34
Process Leak Protection (Optional)
37
Standard Housing Configuration
38
Relief Valves
38
Process Leak Containment
39
Calibration
40
Quick Start-Up
41
Flowtube Calibration Number
41
Assigning Device Tag and Node Address
41
AI Block
42
Arithmetic Block
42
Integrator
42
PID Block
43
Configuring Links and Scheduling Block Execution
44
Advanced Applications
45
Cascade Control
46
Resource Block
47
Plantweb ™ Alarms
48
Max_Notify
48
Safety Information
53
Software Operation
53
Local Display Configuration
54
Calibration
54
Electronics Trim
54
Auto Zero Trim
56
Configuring the Advanced Diagnostics and Empty Pipe
56
Learning Empty Pipe
56
Diagnostics
58
Diagnostic Information
58
Diagnostic Counter
61
Hardware Maintenance
61
Replacing the FOUNDATION
61
Replacing the FOUNDATION
62
Step 1: Function Block Errors
67
Step 2: Diagnostic Messages
67
Step 3: Wiring Errors
67
Step 4: Process Noise
67
Step 5: Installed Flowtube Tests
67
Step 6: Uninstalled Flowtube Tests
69
Rosemount 8742C Transmitter Specifications
71
Functional Specifications
71
Foundation Fieldbus Specifications
73
Performance Specifications
74
Physical Specifications
75
APPENDIX A Rosemount 8705 and 8707 Flowtubes Specifications
75
Functional Specifications
75
Performance Specifications
78
Physical Specifications
78
Rosemount 8711 Wafer Flowtube Specifications
81
Functional Specifications
81
Performance Specifications
82
Physical Specifications
82
Rosemount 8714D Specifications
84
Functional Specifications
84
Performance Specifications
84
Physical Specifications
84
Dimensional Drawings
85
Ordering Information
92
Rosemount 8705
94
Rosemount 8707
98
Rosemount 8711
100
Rosemount 8714
101
Approved Manufacturing Locations
103
APPENDIX B European Directive Information
103
ATEX Directive
103
European Pressure Equipment Directive (PED) (97/23/EC
103
Electro Magnetic Compatibility (EMC) (89/336/EEC
104
Low Voltage Directive (93/68/EEC
104
Other Important Guidelines
104
Hazardous Location Certifications
105
Transmitter Approval Information
105
Flowtube Approval Information
109
Definition
117
Appendix C
121
Resource Block Errors
121
Alarm Detection
122
Status Handling
122
Vcr
122
Modes
121
Troubleshooting
122
Definition
123
Appendix D
125
Flow-Specific Block Configuration Values
125
Transducer Block Errors
126
Transducer Block Diagnostics
127
Modes
127
Alarm Detection
127
Status Handling
128
Troubleshooting
128
Appendix E
129
Safety Messages
129
Remove the Electrode Assembly
129
Replace the Electrode Assembly
130
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Emerson Rosemount 8742C Specifications
General
Brand
Emerson
Model
Rosemount 8742C
Category
Measuring Instruments
Language
English
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