Omega Engineering CYD201 and CYD208 instruction

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 / Inquiries Table 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 Resolution LHe and LN2 Safety Precautions Handling Cryogenic Storage DewarsHandling Liquid Helium and Liquid Nitrogen Recommended First Aid Electrostatic Discharge Handling Esds Components Safety SummaryIdentifying Esds Components Ground The Instrument Keep Away From Live Circuits Safety SymbolsDo Not Operate In An Explosive Atmosphere Do Not Substitute Parts Or Modify Instrument Chapter Installation Inspection and UnpackingRepackaging for Shipment Power and Ground Requirements Sensor Installation Recommendations Two-Lead Vs Four-Lead Measurements Two-Lead MeasurementFour-Lead Measurement Connecting Leads To The Sensor Sensor Mounting Measurement Errors Due To AC Noise Sensor Input Connections J1 InputTerminal Description Sensor Curve Definition Rack Mounting Hole Sizes Model CYD208-DIN Rack Mounting Initial Power UP Sequence Power UP Errors This Page Intentionally Left Blank Installation Chapter Operation Units KEY Setting Dwell Times Model CYD208 Only Alarm SetpointScan Mode Model CYD208 Only Alarm Operation Latched And Unlatched Alarms Alarm Fix Function Model CYD208 OnlySoftcal Compensations SoftCal Calibration Procedure Verifying SoftCal Operation Erasing SoftCal Compensations Operation Chapter Remote Operation Serial Interface ConnectionsSerial Interface Serial I/O RJ-11 Connector Pin Definitions J2 Serial I/O Serial Interface Operation Sample Basic Program Input Serial Interface Command SummarySample Quick Basic 4.0 Program Returned Input Lxxx.x Returned Nothing Input F0x Returned NothingInput Hxxx.x Returned Nothing Input R Returned Nothing Input YCx Returned Nothing Switch ID and Alarm DataHigh or Low Parameter H = high alarm, L = low alarm End Scanning Model CYD208 Only Sign,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 Connections Model CYD208 Rear Panel Connections Model CYD208 Rear Panel Connections Error Code Troubleshooting General Maintenance Fuse Replacement Line Voltage Configuration Current Source Calibration RecalibrationModel CYD201 Model CYD208 2 A/D Converter Calibration Serial Interface Cable and Adapters Model CYD200-B RJ-11 to DE-9 Adapter Wiring Details Page Chapter Options and Accessories Accessories Model Description of Accessory Model 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-7 Options and Accessories Appendix a Curve Tables A1.0 General Table 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