Omega Engineering CYD201 and CYD208 manual Chapter Operation, Units KEY

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OMEGA Model CYD201/CYD208 User’s Manual

CHAPTER 3

OPERATION

3.0GENERAL

This chapter covers the Units Key (Paragraph 3.1), the Channel key (Paragraph 3.2), Scan Mode (Paragraph 3.3), Setting Dwell Times (Paragraph 3.4), Alarm Operation (Paragraph 3.5), SoftCal™ Compensations (Paragraph 3.6), Calibration (Paragraph 3.7), Verifying SoftCal™ Operation (Paragraph 3.8), and Erasing SoftCal™ Compensations (Paragraph 3.9).

K °C

UNITS

V °F

 

ON

 

OFF

CYD201 THERMOMETER

Figure 3-1. Model CYD201 Front Panel

 

K °C UNITS

 

V °F

 

CHANNEL

ON

 

OFF

CYD208 THERMOMETER

Figure 3-2. Model CYD208 Front Panel

3.1UNITS KEY

UNITS selects different units of measurement. The thermometer reads in voltage or temperature (°C, °F, or K). Press UNITS to scroll through the various selections.

UNITS also determines if SoftCal™ is active. Press and hold UNITS for 3 seconds. If SoftCal™ is not active, -000- appears in the display.

Operation

3-1

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Contents M789-038A June Return Requests / Inquiries WarrantyTable of Contents Table of Contents List of Illustrations This Page Intentionally Left Blank Table of Contents Model CYD201/CYD208 General Description Chapter IntroductionGeneral Resolution Model CYD201/CYD208 SpecificationsHandling Liquid Helium and Liquid Nitrogen LHe and LN2 Safety PrecautionsHandling Cryogenic Storage Dewars Electrostatic Discharge Recommended First AidGround The Instrument Safety SummaryIdentifying Esds Components Handling Esds ComponentsDo Not Substitute Parts Or Modify Instrument Safety SymbolsDo Not Operate In An Explosive Atmosphere Keep Away From Live CircuitsRepackaging for Shipment Chapter InstallationInspection and Unpacking Sensor Installation Recommendations Power and Ground RequirementsFour-Lead Measurement Two-Lead Vs Four-Lead MeasurementsTwo-Lead Measurement Sensor Mounting Connecting Leads To The SensorMeasurement Errors Due To AC Noise Terminal Description Sensor Input ConnectionsJ1 Input Rack Mounting Sensor Curve DefinitionModel CYD208-DIN Rack Mounting Hole SizesPower UP Errors Initial Power UP SequenceThis Page Intentionally Left Blank Installation Units KEY Chapter OperationAlarm Operation Alarm SetpointScan Mode Model CYD208 Only Setting Dwell Times Model CYD208 OnlySoftcal Compensations Latched And Unlatched AlarmsAlarm Fix Function Model CYD208 Only SoftCal Calibration Procedure Erasing SoftCal Compensations Verifying SoftCal OperationOperation Serial Interface Chapter Remote OperationSerial Interface Connections J2 Serial I/O Serial I/O RJ-11 Connector Pin DefinitionsSample Basic Program Serial Interface OperationReturned Serial Interface Command SummarySample Quick Basic 4.0 Program InputInput R Returned Nothing Input F0x Returned NothingInput Hxxx.x Returned Nothing Input Lxxx.x Returned NothingEnd Scanning Model CYD208 Only Switch ID and Alarm DataHigh or Low Parameter H = high alarm, L = low alarm Input YCx Returned NothingScan Status Model CYD208 Only Sign,sensor reading,units,alarm status CrlfCurrent channel,sign,sensor reading,units, alarm statusCRLF This Page Intentionally Left Blank Remote Operation Model CYD201 Rear Panel Connections Chapter ServiceModel CYD208 Rear Panel Connections Model CYD208 Rear Panel ConnectionsGeneral Maintenance Error Code TroubleshootingLine Voltage Configuration Fuse ReplacementModel CYD201 Model CYD208 Current Source CalibrationRecalibration Serial Interface Cable and Adapters 2 A/D Converter CalibrationModel CYD200-B RJ-11 to DE-9 Adapter Wiring Details Page Accessories Model Description of Accessory Chapter Options and AccessoriesDIN Model Description of AccessoryModel CYD201/CYD208 Wires Lsci P/N Description of Cable Series CY-7 Model CYD201/CYD208 Sensors Sensor no Description of SensorSeries DT-420 Series DT-450Options and Accessories A1.0 General Appendix a Curve TablesTable A-2. Curve 1 DT-500DI-8A Voltage-Temp. Characteristics Table A-3. Curve 2 DT-500DRC-D Voltage-Temp. Characteristics 6591 18.0 Table A-5. Curve 4 CTI Diode Voltage-Temp. Characteristics Table A-6. Curve 5 DT-500DI-8C Voltage-Temp. Characteristics Table A-7. Curve 6 CY-7 Voltage-Temp. Characteristics 305.0 50689 Page Page Flow TemperaturePRESSURE/STRAIN