Emerson 848L Mounting to a DIN Rail Without an Enclosure, Mounting to a Panel with a Junction Box

Page 12

Mounting to a DIN Rail Without an Enclosure

Rosemount 848L

Reference Manual

00809-0100-4696, Rev AA September 2004

Mounting to a DIN Rail Without an Enclosure

Figure 2-1. Mounting the 848L to a DIN Rail

To mount the 848L to a DIN rail without an enclosure, follow these steps:

1.Pull up the DIN rail mounting clip located on the top back side of the transmitter.

2.Hinge the DIN rail into the slots on the bottom of the transmitter.

3.Tilt the 848L and place onto the DIN rail. Release the mounting clip. The transmitter should be securely fastened to the DIN rail.

Mounting to a Panel with a Junction Box

Figure 2-2. Mounting the 848L junction box to a panel

848L without enclosure

DIN Rail Mounting Clip

DIN Rail

When inside of a plastic or aluminum junction box, the 848L mounts to a panel using four 1/4-20 x 1.25-in. screws.

When inside of a stainless steel junction box, the 848L mounts to a panel using two 1/4-20 x 1/2-in. screws.

Aluminum/Plastic	Stainless Steel
848L with aluminum or plastic box
Cover
Screws (4)	848L with a stainless steel box
	Mounting
	Screws (2)
Mounting
Screws (4)

Panel Panel

2-2

Image 12

Contents Reference Manual 00809-0100-4696,Rev AA SeptemberRosemount 848L Discrete Logic Temperature Transmitter withRosemount 848L FOUNDATION FieldbusTable of Contents SECTION 1 Introduction SECTION 2 InstallationSECTION 3 Configuration Rosemount 848LSECTION Operation and Maintenance APPENDIX A Reference Data APPENDIX B Product CertificationsAPPENDIX C Function Blocks Rosemount 848LAPPENDIX D Logic Equation Syntax APPENDIX E Motor ControlAPPENDIX F Valve Control Rosemount 848LRosemount 848L Reference ManualTOC-4 SAFETY MESSAGES Warnings SectionIntroduction Rosemount 848LOVERVIEW TransmitterManual Rosemount 848LRosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference ManualInstallation SAFETY MESSAGES Warnings MOUNTINGSection Rosemount 848LMounting to a DIN Rail Without an Enclosure Mounting to a Panel with a Junction BoxRosemount 848L Reference ManualMounting to a 2-InchPipe Stand Rosemount 848LReference Manual 00809-0100-4696,Rev AA SeptemberWIRING Power Supply ConnectionsRosemount 848L Reference ManualSWITCHES Surges/TransientsGROUNDING Rosemount 848LRosemount 848L Reference Manual00809-0100-4696,Rev AA September I/O WIRING DISCRETE INPUT WIRING CONFIGURATIONDISCRETE OUTPUT WIRING CONFIGURATION Rosemount 848LTAGGING Rosemount 848LReference Manual INSTALLATION Using Cable Glands TRANSMITTER LABELRosemount 848L Reference ManualUsing Conduit Entries Rosemount 848LReference Manual Configuration OVERVIEW SAFETY MESSAGES WarningsSection Rosemount 848LGENERAL BLOCK INFORMATION Modes Rosemount 848LReference Manual Link Active Scheduler Block Instantiation Rosemount 848LReference Manual RESOURCE BLOCK FEATURES and FEATURES SEL CapabilitiesRosemount 848L Reference ManualMAX NOTIFY Rosemount 848LReference Manual PlantWeb Alarms Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Alarms I/O TRANSDUCER BLOCK Rosemount 848LReference Manual LOGIC TRANSDUCER BLOCK Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Figure 3-1.848L Logic Transmitter Data FlowRosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September DISCRETE INPUT BLOCKS Rosemount 848LReference Manual DISCRETE OUTPUT BLOCKS MULTIPLE DISCRETE INPUT BLOCKMULTIPLE DISCRETE OUTPUT BLOCK Rosemount 848LRosemount 848L Reference ManualSection 4 Operation and Maintenance FOUNDATION FIELDBUS INFORMATIONSAFETY MESSAGES Warnings Rosemount 848LMAINTENANCE Communication/PowerResetting the Configuration RESTART CommissioningTROUBLESHOOTING I/O Transducer and Logic Block TroubleshootingResource Block NAMUR SensorsRosemount 848L Reference ManualSPECIFICATIONS Functional Specifications Appendix AReference Data Rosemount 848LRosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Physical Specifications Function Blocks SpecificationRosemount 848L Reference ManualDIMENSIONAL DRAWINGS Rosemount 848LReference Manual Figure A-3.Rosemount 848L Wiring Diagram Rosemount 848LReference Manual 00809-0100-4696,Rev AA SeptemberORDERING INFORMATION Rosemount 848LReference Manual Rosemount 848L Reference ManualAppendix B Product Certifications APPROVED MANUFACTURING LOCATIONSEUROPEAN DIRECTIVE INFORMATION HAZARDOUS LOCATIONS CERTIFICATES North American ApprovalsEuropean Approvals Rosemount 848LReference Manual Appendix C Function Blocks RESOURCE BLOCK PARAMETERSRosemount 848L Reference ManualRosemount 848L Reference ManualFREE SPACE Rosemount 848L Reference ManualOUTPUT ADVISE ENABLE Rosemount 848LReference Manual I/O TRANSDUCER PARAMETERS Rosemount 848LReference Manual 00809-0100-4696,Rev AA SeptemberRosemount 848L Reference ManualTRANSDUCER TYPE Rosemount 848L Reference ManualOUT 3 TAG LOGIC TRANSDUCER PARAMETERS Rosemount 848LReference Manual 00809-0100-4696,Rev AA SeptemberDISCRETE INPUT BLOCK Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Table C-4.ParametersDISCRETE OUTPUT BLOCK Supported Modes Rosemount 848LReference Manual MULTIPLE DISCRETE INPUT BLOCKS Rosemount 848LReference Manual Rosemount 848L Reference ManualMULTIPLE DISCRETE OUTPUT BLOCK 00809-0100-4696,Rev AA SeptemberRosemount 848L Reference Manual00809-0100-4696,Rev AA September Table C-7.Parameters andAppendix D Logic Equation Syntax Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Table D-1.Supported FunctionsRosemount 848L Reference ManualPS channel number, divisor ERROR HANDLING Table D-2.Error HandlingRosemount 848L Reference ManualEXAMPLES Rosemount 848LReference Manual Rosemount 848L Reference ManualAppendix E Motor ControlINTRODUCTION TO MOTOR CONTROL Rosemount 848LVARIATIONS ON MOTOR CONTROL Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September WRITING 848L EQUATIONS Basic Motor Control Rosemount 848LReference Manual Interlock Permissive Emergency Shutdown Rosemount 848LReference Manual Restart Delay Rosemount 848LReference Manual Maximum Restarts Rosemount 848LReference Manual Winding Temperature Rosemount 848LReference Manual Hand-Off-Auto Rosemount 848LReference Manual Intermediate Stop Rosemount 848LReference Manual Redundant Motors - Alternate Start Rosemount 848LReference Manual Redundant Motors - Timed Switch Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Redundant Motors - Switch on Failure Rosemount 848LReference Manual Rosemount 848L Reference Manual00809-0100-4696,Rev AA September Rosemount 848L Reference ManualE-16 Appendix F Valve ControlINTRODUCTION TO VALVE CONTROL Rosemount 848LAlarms Variations on Valve Control Rosemount 848LReference Manual Boolean Expressions Basic Valve Control Rosemount 848LReference Manual Open-Auto-Close Alarm Variations Output Variations Output with InterlockRosemount 848L Reference ManualSimple Valve Variations Permissive Rosemount 848LReference Manual Double Block and Bleed Rosemount 848LReference Manual Motorized Valve Heat Exchange Medium Selection Rosemount 848LReference Manual Rosemount 848L Reference ManualIndex Rosemount 848LReference Manual 00809-0100-4696,Rev AA 9/17/04Rosemount 848L Reference Manual00809-0100-4696,Rev AA 9/17/04 Rosemount 848L Reference Manual00809-0100-4696,Rev AA 9/17/04 Rosemount 848L Reference ManualIndex-4 ¢00809-0100-4697F¤ Reference Manual