Fisher 244EH Table of Contents, Section, Introduction, Installation, Operation, Maintenance and

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Table of Contents

Table of Contents

SECTION 1	Safety Messages	. 1-1
Introduction	Transmitter Overview	. 1-1
	Manual Overview	. 1-2
	Considerations	. 1-3
	General	. 1-3
	Mechanical	. 1-3
	Electrical	. 1-3
	Environmental	. 1-3
SECTION 2	Safety Messages	. 2-1
Installation	Warnings	. 2-1
	Tools needed for Installation	. 2-2
	Mounting	. 2-3
	Special Mounting Considerations	. 2-4
	Installation Procedures	. 2-5
	Transmitter	. 2-5
	Configuration Software	. 2-9
	Model 244EC Configuration Interface	2-11
	Field Wiring	2-12
	Sensor Connections	2-13
	Failure Mode	2-16
	Changing Switch Positions	2-16
SECTION 3	Safety Messages	. 3-1
Operation	Warning	. 3-1
	Power Supply	. 3-1
	Surges/Transients	. 3-1
	Grounding	. 3-2
	Configuration	. 3-2
	Configuring a Single Transmitter	. 3-3
	Configuring Several Transmitters Identically	. 3-4
	Viewing the Process Variable	. 3-5
	Intermittent Sensor Algorithm	. 3-5
	Case Examples	. 3-6
	Intermittent Sensor Algorithm and Damping	. 3-7
	Intermittent Sensor Detect (Advanced Feature)	. 3-8
	Implementation	. 3-9
SECTION 4	Safety Information	. 4-1
Maintenance and	Warning	. 4-1
Troubleshooting	Troubleshooting	. 4-1
	Model 244EH software version 5.5.1	. 4-1

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Contents Models 244EH and 244ER PC-Programmable Temperature Transmitters 00809-0100-4737 English Rev. EAPage Models 244EH and 244ER PC-Programmable Temperature Transmitters Product Manual¢00809-0100-4737f¤ 00809-0100-4737 Rev EA 10/00Page Installation Table of ContentsMaintenance and TroubleshootingReference Data APPENDIX AAPPENDIX B Approvals1 Introduction SAFETY MESSAGESSection MANUAL OVERVIEW General CONSIDERATIONSMechanical ElectricalPage SAFETY MESSAGES Warnings 2 InstallationFigure 2-1. Transmitter Installation Flowchart TOOLS NEEDED FOR INSTALLATIONThe tools needed for installation are as follows Example MOUNTINGMounting a Model 244EH to a DIN Rail Special Mounting ConsiderationsHead Mount Transmitter with DIN Plate Style Sensor INSTALLATION PROCEDURESTransmitter Using Threaded Style Sensor Figure 2-6. Typical Model 244EH Transmitter Mounting Configurationand Assembly Head Mount Transmitter with Threaded SensorUsing Integral Mount Sensor and Assembly Figure 2-7. Typical Rail Mount Transmitter Mounting ConfigurationTo complete the assembly, follow the procedure described below 6. Run sensor lead wires from the sensor assembly to the transmitter644-0000A04B Rail Mount Transmitter with Threaded SensorSystem Requirements Configuration SoftwareMultichannel Installations Procedure for Windows 95 or Windows NT Choose the procedure that matches the operating system you are usingProcedure for Windows 3.1 or Windows for Workgroups Screen Conventions Model 244EC Configuration InterfaceSetting Up the Model 244EC Configuration Interface Figure 2-10. Complete Transmitter Configuration System FIELD WIRINGRTD or Ohm Inputs Sensor ConnectionsExamples of Approximate Lead Wire Resistance Effect Calculations Sensor Lead Wire Resistance Effect RTD InputGiven Total cable length = 150 mThermocouple or Millivolt Inputs Figure 2-13. Transmitter Power, Sensor, and Configuration Terminals FAILURE MODE Changing Switch Positions3 Operation POWER SUPPLY Surges/TransientsGrounding CONFIGURATIONConfiguration Window Configuring a Single TransmitterFigure 3-1. Models 244EH and 244ER Configuration Software Main Configuring Several Transmitters Identically Figure 3-2. Viewing the Process Variable with the 244EC Viewing the Process VariableINTERMITTENT SENSOR ALGORITHM Case 1 Open Sensor Case ExamplesCase 2 Temperature Change Greater than the Threshold Value2% of Output RangeCase 3 Temperature Change Within the Threshold Value 2 % of Range Intermittent Sensor Algorithm and Damping2.0 seconds, the transmitter outputs the reading that corresponds to Intermittent Sensor Detect Advanced Featurethe damping curve at that time , and continues to calculate and continues to approach the input curveaccordingto theequation aboveTransmitter Behavior with Intermittent Sensor Detect OFF ImplementationTransmitter Behavior with Intermittent Sensor Detect ON Page TROUBLESHOOTING Model 244EH software version 4 Maintenance and TroubleshootingSAFETY INFORMATION Error Message Troubleshooting ChartCause and Possible Solutions TABLE 4-1. Models 244EH and 244ERAppendix TRANSMITTER SPECIFICATION FunctionalA Reference Data Power SupplyUpdate Time PerformancePower Supply Effect CE Electromagnetic Compatibility Compliance TestingTABLE A-2. Model 244E Input Options and Accuracy AccuracySensor InputAmbient Temperature Effect Transmitters can be installed in locations where the ambientWeight PhysicalElectrical Connections Materials of ConstructionModel ORDERING INFORMATIONProduct Description HeadTABLE A-6. Transmitter Accessories TABLE A-5. Model 244EC Configuration Interface Ordering InformationTypical Model Number 244EC Part DescriptionCustom Configuration Standard ConfigurationUnless specified, transmitter will be shipped as follows TaggingEnclosure and Model 244EC Configuration Interface DIMENSIONAL DRAWINGS TransmitterConfiguration Interface Model 244ERPage B Approvals HAZARDOUS LOCATIONS INSTALLATIONSCanadian Standards Association CSA Approvals LOCATIONS CERTIFICATIONSFactory Mutual FM Approvals Special Conditions for Safe Use Standard Australia Quality Assurance Service SAAKEMA Approvals Gostandart INSTALLATION DRAWINGSInstallation Drawing Rev. AB Figure B-1. Canadian Standards Association CSA Intrinsic SafetyFigure B-2. Canadian Standards Association CSA Explosion-Proof Installation Drawing Rev. AA00644-0009, Rev. AA Figure B-3. Factory Mutual FM Intrinsic Safety Installation Drawing00644-1049, Rev. AB Figure B-4. Factory Mutual FM Explosion-Proof Installation DrawingC Models 644 and 244E Temperature Transmitters Manual Supplement OLD TRANSMITTER Transmitter Design Sensor Wiring Diagrams Special MountingConsiderations Models 644H and 244EHConsiderations HART Communicator Model 644H only NEW TRANSMITTER2. Select 1 Off-line, 1 New Configuration, Rosemount, 644 Temp Use with an Existing DIN Plate Style SensorBASEFFA1 Intrinsically Safe Installation Entity Parameters SPECIFICATIONSFactory Mutual3 Entity ParametersIndex Wiring Page Product documentation available at