Omega Engineering CYD201 and CYD208 manual

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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 Chapter Introduction GeneralModel CYD201/CYD208 General Description Resolution Model CYD201/CYD208 SpecificationsLHe and LN2 Safety Precautions Handling Cryogenic Storage DewarsHandling Liquid Helium and Liquid Nitrogen Electrostatic Discharge Recommended First AidIdentifying Esds Components Safety SummaryHandling Esds Components Ground The InstrumentDo Not Operate In An Explosive Atmosphere Safety SymbolsKeep Away From Live Circuits Do Not Substitute Parts Or Modify InstrumentChapter Installation Inspection and UnpackingRepackaging for Shipment Sensor Installation Recommendations Power and Ground RequirementsTwo-Lead Vs Four-Lead Measurements Two-Lead MeasurementFour-Lead Measurement Sensor Mounting Connecting Leads To The SensorMeasurement Errors Due To AC Noise Sensor Input Connections J1 InputTerminal Description 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 OperationScan Mode Model CYD208 Only Alarm SetpointSetting Dwell Times Model CYD208 Only Alarm OperationLatched And Unlatched Alarms Alarm Fix Function Model CYD208 OnlySoftcal Compensations SoftCal Calibration Procedure Erasing SoftCal Compensations Verifying SoftCal OperationOperation Chapter Remote Operation Serial Interface ConnectionsSerial Interface J2 Serial I/O Serial I/O RJ-11 Connector Pin DefinitionsSample Basic Program Serial Interface OperationSample Quick Basic 4.0 Program Serial Interface Command SummaryInput ReturnedInput Hxxx.x Returned Nothing Input F0x Returned NothingInput Lxxx.x Returned Nothing Input R Returned NothingHigh or Low Parameter H = high alarm, L = low alarm Switch ID and Alarm DataInput YCx Returned Nothing 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 Model CYD201 Rear Panel Connections Chapter ServiceModel CYD208 Rear Panel Connections Model CYD208 Rear Panel ConnectionsGeneral Maintenance Error Code TroubleshootingLine Voltage Configuration Fuse ReplacementCurrent Source Calibration RecalibrationModel CYD201 Model CYD208 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 AccessoriesModel Description of Accessory Model CYD201/CYD208 Wires Lsci P/N Description of CableDIN Series DT-420 Model CYD201/CYD208 Sensors Sensor no Description of SensorSeries DT-450 Series CY-7Options 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 Temperature PRESSURE/STRAINFlow