00809-0100-4696,Rev AA September
Reference Manual
FOUNDATION Fieldbus
Rosemount 848L Discrete Logic
Temperature Transmitter with
Rosemount 848L
Rosemount 848L
Table of Contents
SECTION 1 Introduction SECTION 2 Installation
SECTION 3 Configuration
Rosemount 848L
SECTION Operation and Maintenance APPENDIX A
Reference Data APPENDIX B Product Certifications
APPENDIX C Function Blocks
Rosemount 848L
APPENDIX D Logic Equation Syntax APPENDIX E
Motor Control
APPENDIX F Valve Control
Rosemount 848L
Reference Manual
TOC-4
Rosemount 848L
SAFETY MESSAGES Warnings
Section
Introduction
Rosemount 848L
OVERVIEW
Transmitter
Manual
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Reference Manual
Rosemount 848L
Rosemount 848L
Installation
SAFETY MESSAGES Warnings MOUNTING
Section
Reference Manual
Mounting to a DIN Rail Without an Enclosure
Mounting to a Panel with a Junction Box
Rosemount 848L
00809-0100-4696,Rev AA September
Mounting to a 2-InchPipe Stand
Rosemount 848L
Reference Manual
Reference Manual
WIRING
Power Supply Connections
Rosemount 848L
Rosemount 848L
SWITCHES
Surges/Transients
GROUNDING
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
I/O WIRING
DISCRETE INPUT WIRING CONFIGURATION
DISCRETE OUTPUT WIRING CONFIGURATION
TAGGING
Rosemount 848L
Reference Manual
Reference Manual
INSTALLATION Using Cable Glands
TRANSMITTER LABEL
Rosemount 848L
Using Conduit Entries
Rosemount 848L
Reference Manual
Rosemount 848L
Configuration
OVERVIEW SAFETY MESSAGES Warnings
Section
GENERAL BLOCK INFORMATION Modes
Rosemount 848L
Reference Manual
Link Active Scheduler Block Instantiation
Rosemount 848L
Reference Manual
Reference Manual
RESOURCE BLOCK FEATURES and FEATURES SEL
Capabilities
Rosemount 848L
MAX NOTIFY
Rosemount 848L
Reference Manual
PlantWeb Alarms
Rosemount 848L
Reference Manual
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
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Reference Manual
00809-0100-4696,Rev AA September
Alarms I/O TRANSDUCER BLOCK
Rosemount 848L
Reference Manual
LOGIC TRANSDUCER BLOCK
Rosemount 848L
Reference Manual
Figure 3-1.848L Logic Transmitter Data Flow
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
DISCRETE INPUT BLOCKS
Rosemount 848L
Reference Manual
Rosemount 848L
DISCRETE OUTPUT BLOCKS
MULTIPLE DISCRETE INPUT BLOCK
MULTIPLE DISCRETE OUTPUT BLOCK
Reference Manual
Rosemount 848L
Rosemount 848L
Section 4 Operation and Maintenance
FOUNDATION FIELDBUS INFORMATION
SAFETY MESSAGES Warnings
Commissioning
MAINTENANCE
Communication/Power
Resetting the Configuration RESTART
NAMUR Sensors
TROUBLESHOOTING
I/O Transducer and Logic Block Troubleshooting
Resource Block
Reference Manual
Rosemount 848L
Rosemount 848L
SPECIFICATIONS Functional Specifications
Appendix A
Reference Data
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
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00809-0100-4696,Rev AA September
Reference Manual
Physical Specifications Function Blocks
Specification
Rosemount 848L
DIMENSIONAL DRAWINGS
Rosemount 848L
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00809-0100-4696,Rev AA September
Figure A-3.Rosemount 848L Wiring Diagram
Rosemount 848L
Reference Manual
ORDERING INFORMATION
Rosemount 848L
Reference Manual
Reference Manual
Rosemount 848L
LOCATIONS CERTIFICATES North American Approvals
Appendix B Product Certifications
APPROVED MANUFACTURING LOCATIONS
EUROPEAN DIRECTIVE INFORMATION HAZARDOUS
European Approvals
Rosemount 848L
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Reference Manual
Appendix C Function Blocks
RESOURCE BLOCK PARAMETERS
Rosemount 848L
Rosemount 848L
Reference Manual
FREE SPACE
Rosemount 848L
Reference Manual
OUTPUT
ADVISE ENABLE
Rosemount 848L
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00809-0100-4696,Rev AA September
I/O TRANSDUCER PARAMETERS
Rosemount 848L
Reference Manual
Rosemount 848L
Reference Manual
TRANSDUCER TYPE
Rosemount 848L
Reference Manual
OUT 3 TAG
00809-0100-4696,Rev AA September
LOGIC TRANSDUCER PARAMETERS
Rosemount 848L
Reference Manual
DISCRETE INPUT BLOCK
Rosemount 848L
Reference Manual
Table C-4.Parameters
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00809-0100-4696,Rev AA September
DISCRETE OUTPUT BLOCK Supported Modes
Rosemount 848L
Reference Manual
MULTIPLE DISCRETE INPUT BLOCKS
Rosemount 848L
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00809-0100-4696,Rev AA September
Rosemount 848L
Reference Manual
MULTIPLE DISCRETE OUTPUT BLOCK
Table C-7.Parameters and
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
Appendix D Logic Equation Syntax
Rosemount 848L
Reference Manual
Table D-1.Supported Functions
Rosemount 848L
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00809-0100-4696,Rev AA September
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Reference Manual
PS channel number, divisor
Reference Manual
ERROR HANDLING
Table D-2.Error Handling
Rosemount 848L
EXAMPLES
Rosemount 848L
Reference Manual
Reference Manual
Rosemount 848L
Rosemount 848L
Appendix E
Motor Control
INTRODUCTION TO MOTOR CONTROL
VARIATIONS ON MOTOR CONTROL
Rosemount 848L
Reference Manual
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA September
WRITING 848L EQUATIONS Basic Motor Control
Rosemount 848L
Reference Manual
Interlock Permissive Emergency Shutdown
Rosemount 848L
Reference Manual
Restart Delay
Rosemount 848L
Reference Manual
Maximum Restarts
Rosemount 848L
Reference Manual
Winding Temperature
Rosemount 848L
Reference Manual
Hand-Off-Auto
Rosemount 848L
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Intermediate Stop
Rosemount 848L
Reference Manual
Redundant Motors - Alternate Start
Rosemount 848L
Reference Manual
Redundant Motors - Timed Switch
Rosemount 848L
Reference Manual
Rosemount 848L
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00809-0100-4696,Rev AA September
Redundant Motors - Switch on Failure
Rosemount 848L
Reference Manual
Rosemount 848L
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00809-0100-4696,Rev AA September
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Reference Manual
E-16
Rosemount 848L
Appendix F
Valve Control
INTRODUCTION TO VALVE CONTROL
Alarms Variations on Valve Control
Rosemount 848L
Reference Manual
Boolean Expressions Basic Valve Control
Rosemount 848L
Reference Manual
Reference Manual
Open-Auto-Close Alarm Variations
Output Variations Output with Interlock
Rosemount 848L
Simple Valve Variations Permissive
Rosemount 848L
Reference Manual
Double Block and Bleed
Rosemount 848L
Reference Manual
Motorized Valve Heat Exchange Medium Selection
Rosemount 848L
Reference Manual
Reference Manual
Rosemount 848L
00809-0100-4696,Rev AA 9/17/04
Index
Rosemount 848L
Reference Manual
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA 9/17/04
Rosemount 848L
Reference Manual
00809-0100-4696,Rev AA 9/17/04
Rosemount 848L
Reference Manual
Index-4
Reference Manual
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