Emerson 5081FG Section HART/AMS, Overview, Hart Communicator Signal Line, Connections, Hart/Ams

Page 59

Model 5081FG

Instruction Manual

IB-106-5081, Rev. 1.0 May 2005

SECTION 4

HART/AMS

4-1 OVERVIEW

The HART Communicator may be interfaced

 

with a personal computer (PC) providing special

The HART Communicator is a handheld com-

software has been installed. To connect the

munications interface device. It provides a

HART Communicator to a PC, an interface

common communications link to all microproc-

adapter is required. Refer to the proper HART

essor-based instruments that are HART com-

Communicator documentation regarding the PC

patible. The handheld communicator contains

interface option.

an 8 x 21 character liquid crystal display (LCD)

 

 

and 25 keys. A pocket-sized manual, included

4-2 HART COMMUNICATOR SIGNAL LINE

 

 

with the HART Communicator, details the spe-

 

CONNECTIONS

 

cific functions of all the keys.

 

 

4

 

The HART Communicator can connect to the

To interface with the Two-Wire In Situ Oxygen

 

Two-Wire In Situ Oxygen Analyzer analog out-

 

Analyzer, the HART Communicator requires a

 

put signal line at any wiring termination in the 4-

 

termination point along the 4-20 mA current loop

 

 

20 mA current loop. There are two methods of

and a minimum load resistance of 250 ohms

connecting the HART Communicator to the sig-

between the communicator and the power sup-

nal line. For applications in which the signal line

ply. The HART Communicator accomplishes its

has a load resistance of 250 ohms or more, re-

task using a frequency shift keying (FSK) tech-

fer to method 1 and Figure 4-1. For applications

nique. With the use of FSK, high-frequency

in which the signal line load resistance is less

digital communication signals are superimposed

than 250 ohms, refer to method 2 and Figure

on the 4-20 mA transmitter current loop. The

4-2.

 

communicator does not disturb the 4-20 mA

 

signal since no net energy is added to the loop.

 

 

Rosemount Analytical Inc. A Division of Emerson Process Management

HART/AMS 4-1

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Contents Model 5081FG Essential Instructions Summary Highlights of ChangesEffective May, 2005 Rev Page Model 5081FG Table of ContentsList of Illustrations List of Tables Model 5081FG Definitions PrefaceModel 5081FG Belangrijk Vigtigt Model 5081FG Tärkeää Model 5081FG Wichtig Importante Viktig Model 5081FG Model 5081FG Viktigt Model 5081FG Component Checklist of Typical System Package Contents Section Description and SpecificationsCode Mounting Adapter Stack Side Product MatrixSystem Description System ConfigurationSystem Overview ScopeSystem Features Handling the Analyzer System Considerations Transmitter Typical System InstallationProbe SpecificationsOperating Load Region Lift OFF Maximum Power Supply VoltageOhms VDCInspect Section InstallationPRE-INSTALLATION Mechanical InstallationSide View Bottom View Front ViewMetal Wall Masonry Wall Stack or Duct Horizontal Probe Installation Adjusting Probe Insertion Depth Model 5081FG Installing Model 5081 Transmitter Mounting Holes Cover LockCircuit Terminal END Block TBElectrical Installation Display Positioning AssemblyThermocouple CELL-WH CELL+BK Model 5081 Transmitter 4-20 mA and Signal ConnectionsTerminal Block Conduit Calibration Check Gas Pneumatic InstallationReference Air Package Instrument Air Reference AirFlow SET MAX Point Knob Mounting Holes Outlet ConnectionOutlet Inlet ConnectionGeneral Power UPSection Startup and Operation Proper Calibration Check Gas Flow Rate Reestablishing Proper Calibration Check GAS Flow RateMenu Tree OperationOverview DisplayProgram DiagnosticsCalcheck MenuNavigation Infrared Remote Control IRCO2 Concentration O2 Concentration Analyzer Access Code Or SecurityAnalyzer Access Code Program MenuCell T HI O2 Concentration Indicator Fault ValueO2 Concentration Upper Cell Temperature Fault Value Upper Range VALSET O2 Filter Time Reset MAX Cell TTo Reset Maximum Cell Temperature O2 Concentration Analyzer Access CodeConcentration SET HI Bottle O2SET LO Bottle O2 Model 5081 Transmitter Parameters SET Code Parameter Range DefaultModel 5081 Transmitter Parameters C mV Diagnostics MenuShow Fault 24. Previous Slope Previous Constant 23. Cell ImpedanceCalcheck Menu Accept LOW O2 27. in MANUAL?29. Accept LOW O2 Slope Model 5081FG Connections Hart Communicator Signal LineSection HART/AMS OverviewAnalog Output Device Method 2, For Load Resistance 250 OhmsMenu Tree for Hart Communicator TWO-WIRE in Situ Oxygen AnalyzerHart Communicator PC OFF-LINE and ON-LINE OperationsDevice Setup From Sheet Basic Setup Detailed From Sheet Signal Condition Detailed Setup Output Hart Communicator Start CAL- Check Method Model 5081FG Spare Board Stack Replacement Section Maintenance and ServiceModel 5081 Electronics Replacement Display Board ReplacementRibbon Cable Analog Board CPU Two-Wire In Situ Oxygen Analyzer Exploded ViewOxygen Probe Replacement Oxygen Probe Terminal Block IMPEDANCE, Ω Section TroubleshootingProbe Life Normal Operational ConditionsSpeed Fault IndicationsOfresponse Thermocouple Identifying and Correcting Fault IndicationsFault 1, Open Thermocouple Fault 3, Shorted Thermocouple Fault 5, O2 Cell Open Fault 6, Cell Impedance Too High Fault 5, O2 Cell Open11. Fault 7, Reversed O2 Cell Fault 7, Reversed O2 CellModel 5081FG Section Return of Material Model 5081FG Index No Part Number Description Replacement PartsReplacement Parts List SectionModel 5081FG Section Index Model 5081FG Model 5081FG Page Warranty Two-Wire In Situ Oxygen Analyzer Serial no Order no

5081FG specifications

The Emerson 5081FG Series is a cutting-edge digital smart transmitter designed for various industrial applications, including oil and gas, chemical processing, and water treatment. Known for its accuracy and reliability, the Emerson 5081FG integrates an array of advanced technologies to enhance measurement capabilities and operational efficiency.

One of the main features of the 5081FG is its multi-variable measurement, which allows for the integration of differential pressure, static pressure, and temperature readings into a single device. This capability significantly reduces the need for multiple instruments, leading to lower installation costs and improved data collection efficiency.

With Smart Wireless technology, the Emerson 5081FG offers robust wireless communication, making it ideal for remote or hard-to-reach locations. Its ability to transmit real-time data wirelessly enhances operational awareness and enables proactive maintenance decisions. The transmitter can easily connect to various process control systems for seamless integration and data sharing.

The 5081FG also incorporates Emerson's advanced diagnostics and predictive maintenance algorithms. These features continuously monitor the health of the transmitter and the processes it measures, alerting operators to potential issues before they escalate into serious problems. This proactive approach to maintenance not only improves safety but also minimizes downtime and maximizes productivity.

Another significant characteristic of the Emerson 5081FG is its rugged design, built to withstand harsh industrial environments. With an IP67 rating, it is resistant to dust and water ingress, ensuring reliable operation even in challenging conditions. The device is also designed to handle a wide range of temperatures and pressures, making it versatile for diverse applications.

User-friendly configuration and programming are facilitated by Emerson's intuitive software tools, which provide easy setup and calibration processes. This simplicity allows operators to optimize performance without needing extensive training or support.

In conclusion, the Emerson 5081FG is a powerful and reliable smart transmitter that addresses the needs of various industries. Its multi-variable measurement capability, wireless communication, advanced diagnostics, and rugged design make it an excellent choice for companies looking to enhance their operational efficiency and maintain high standards of safety and reliability. With the Emerson 5081FG, businesses can expect not only accurate measurements but also valuable insights that contribute to smarter decision-making.
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