Emerson 3081FG instruction manual Ohms, Vdc, Operating Load Region, VDC @ Zero Load

Page 18

Instruction Manual

IB-106-3081 Rev. 1.5 September 2002

Model 3081FG

ELECTRONICS
Enclosure	IP65 (NEMA 4X), weatherproof, and corrosion-resistant
Materials of Construction	Low copper aluminum
Ambient Temperature Limits	-20° to 65°C (-4° to 149°F)
Relative Humidity	95% with covers sealed
Power Supply and Load Requirements	See Figure 1-4
Inputs (from O2 Probe)	Two wires - O2 signal
	Two wires - type B thermocouple
Output	One 4-20 mA signal with superimposed digital HART
	signal
Hazardous Area Certification	Cenelec EEx ia IIC T4 or T5(2)
	NEC Class I Div. I Group B,C,D
		Fisher-Rosemount has satisfied all obliga-
		tions coming from the European legislation


		to harmonize the product requirements in
		to harmonize the product requirements in
		Europe.
Power Transient Protection	IEC 801-4
Shipping Weight	10 lbs (4.5 kg)
INFRARED REMOTE CONTROL
Power Requirements	Three AAA batteries
Hazardous Area Certification	Cenelec EEx ia IIC Class I, Div. I, Group A, B, C, D
(2)Dependent on ambient temperature limits.

	1848			1848
	1800			OHMS
				@ 42.4
				VDC
	1500
(OHMS)	1000		OPERATING
(OHMS)			OPERATING
LOAD			REGION
LOAD
	500			600
	500			OHMS
				OHMS
	250			@ 42.4
	250			VDC
		WITHOUT HART COMMUNICATOR		VDC
		WITHOUT HART COMMUNICATOR
	0
	12.0 VDC	18 VDC	40 VDC @ ZERO LOAD	42.4 VDC
	LIFT OFF			MAXIMUM

POWER SUPPLY VOLTAGE

29750007

Figure 1-4. Power Supply and Load Requirements

1-8 Description and Specifications

Rosemount Analytical Inc. A Division of Emerson Process Management

Image 18

Contents Model 3081FG Essential Instructions Highlights of Changes Page Table of Contents Model 3081FGList of Illustrations Proper Calibration Check Gas Flow RateList of Tables Model 3081 Transmitter Terminal BlockModel 3081FG Preface DefinitionsModel 3081FG Section Description and Specifications Component Checklist of Typical System Package ContentsProduct Matrix Code Mounting Adapter Stack SideScope System ConfigurationSystem Overview System DescriptionSystem Features Handling the Analyzer System Considerations Typical System Installation TransmitterSpecifications ProbeVDC Lift OFF Maximum Power Supply VoltageOhms Operating Load RegionMechanical Installation Section InstallationPRE-INSTALLATION InspectFront View Side View Bottom ViewMetal Wall Masonry Wall Stack or Duct Horizontal Probe Installation Adjusting Probe Insertion Depth Model 3081FG Installing Model 3081 Transmitter Block TB Cover LockCircuit Terminal END Mounting HolesDisplay Positioning Assembly Electrical InstallationModel 3081 Transmitter 4-20 mA and Signal Connections Terminal Block ConduitThermocouple CELL-WH CELL+BK Instrument Air Reference Air Pneumatic InstallationReference Air Package Calibration Check GasInlet Connection Outlet ConnectionOutlet Flow SET MAX Point Knob Mounting HolesPower UP Section Startup and OperationGeneral Reestablishing Proper Calibration Check GAS Flow Rate Proper Calibration Check Gas Flow RateDisplay OperationOverview Menu TreeMenu DiagnosticsCalcheck ProgramInfrared Remote Control IRC NavigationProgram Menu O2 Concentration Analyzer Access Code Or SecurityAnalyzer Access Code O2 ConcentrationUpper Range VAL O2 Concentration Indicator Fault ValueO2 Concentration Upper Cell Temperature Fault Value Cell T HIO2 Concentration Analyzer Access Code Reset MAX Cell TTo Reset Maximum Cell Temperature SET O2 Filter TimeSET HI Bottle O2 SET LO Bottle O2Concentration Parameter Range Default Model 3081 Transmitter ParametersModel 3081 Transmitter Parameters SET Code Diagnostics Menu Show FaultC mV 23. Cell Impedance 24. Previous Slope Previous ConstantSW Build Number SW Build DateCalcheck Menu 27. in MANUAL? Accept LOW O229. Accept LOW O2 Slope Model 3081FG Overview Hart Communicator Signal LineSection HART/AMS ConnectionsAnalog Output Device Loop Connectors Method 2, For Load Resistance 250 OhmsOFF-LINE and ON-LINE Operations TWO-WIRE in Situ Oxygen AnalyzerHart Communicator PC Menu Tree for Hart CommunicatorDevice Setup From Sheet Basic Setup Detailed From Sheet Signal Condition Detailed Setup Output Hart Communicator Start CAL- Check Method Model 3081FG Display Board Replacement Section Maintenance and ServiceModel 3081 Electronics Replacement PC Board Stack ReplacementTwo-Wire In Situ Oxygen Analyzer Exploded View Oxygen Probe Replacement Oxygen Probe Terminal Block Section Troubleshooting Probe LifeIMPEDANCE, Ω Fault Indications OfresponseSpeed Identifying and Correcting Fault Indications ThermocoupleFault 1, Open Thermocouple Fault 3, Shorted Thermocouple Fault 5, O2 Cell Open Fault 5, O2 Cell Open Fault 6, Cell Impedance Too HighFault 7, Reversed O2 Cell 11. Fault 7, Reversed O2 CellModel 3081FG Section Return of Material Model 3081FG Section Replacement PartsReplacement Parts List Index No Part Number DescriptionModel 3081FG Section Index Model 3081FG Model 3081FG Page Section Drawings and Schematics Model 3081FG Warranty Two-Wire In Situ Oxygen Analyzer Serial no Order no