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Omega Engineering CYD201 and CYD208 manual This Page Intentionally Left Blank Table of Contents

Models: CYD201 and CYD208

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OMEGA Model CYD201/CYD208 User’s Manual

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iv	Table of Contents

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Omega Engineering CYD201 and CYD208 manual This Page Intentionally Left Blank Table of Contents

Contents

M789-038A June Warranty Return Requests / InquiriesTable of Contents Table of Contents List of Illustrations This Page Intentionally Left Blank Table of Contents Chapter Introduction GeneralModel CYD201/CYD208 General Description Model CYD201/CYD208 Specifications ResolutionLHe and LN2 Safety Precautions Handling Cryogenic Storage DewarsHandling Liquid Helium and Liquid Nitrogen Recommended First Aid Electrostatic DischargeHandling Esds Components Safety SummaryIdentifying Esds Components Ground The InstrumentKeep Away From Live Circuits Safety SymbolsDo Not Operate In An Explosive Atmosphere Do Not Substitute Parts Or Modify InstrumentChapter Installation Inspection and UnpackingRepackaging for Shipment Power and Ground Requirements Sensor Installation RecommendationsTwo-Lead Vs Four-Lead Measurements Two-Lead MeasurementFour-Lead Measurement Connecting Leads To The Sensor Sensor MountingMeasurement Errors Due To AC Noise Sensor Input Connections J1 InputTerminal Description Sensor Curve Definition Rack MountingHole Sizes Model CYD208-DIN Rack MountingInitial Power UP Sequence Power UP ErrorsThis Page Intentionally Left Blank Installation Chapter Operation Units KEYSetting Dwell Times Model CYD208 Only Alarm SetpointScan Mode Model CYD208 Only Alarm OperationLatched And Unlatched Alarms Alarm Fix Function Model CYD208 OnlySoftcal Compensations SoftCal Calibration Procedure Verifying SoftCal Operation Erasing SoftCal CompensationsOperation Chapter Remote Operation Serial Interface ConnectionsSerial Interface Serial I/O RJ-11 Connector Pin Definitions J2 Serial I/OSerial Interface Operation Sample Basic ProgramInput Serial Interface Command SummarySample Quick Basic 4.0 Program ReturnedInput Lxxx.x Returned Nothing Input F0x Returned NothingInput Hxxx.x Returned Nothing Input R Returned NothingInput YCx Returned Nothing Switch ID and Alarm DataHigh or Low Parameter H = high alarm, L = low alarm End Scanning Model CYD208 OnlySign,sensor reading,units,alarm status Crlf Current channel,sign,sensor reading,units, alarm statusCRLFScan Status Model CYD208 Only This Page Intentionally Left Blank Remote Operation Chapter Service Model CYD201 Rear Panel ConnectionsModel CYD208 Rear Panel Connections Model CYD208 Rear Panel ConnectionsError Code Troubleshooting General MaintenanceFuse Replacement Line Voltage ConfigurationCurrent Source Calibration RecalibrationModel CYD201 Model CYD208 2 A/D Converter Calibration Serial Interface Cable and AdaptersModel CYD200-B RJ-11 to DE-9 Adapter Wiring Details Page Chapter Options and Accessories Accessories Model Description of AccessoryModel Description of Accessory Model CYD201/CYD208 Wires Lsci P/N Description of CableDIN Series DT-450 Model CYD201/CYD208 Sensors Sensor no Description of SensorSeries DT-420 Series CY-7Options and Accessories Appendix a Curve Tables A1.0 GeneralTable 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 Temperature PRESSURE/STRAINFlow