Omega Engineering CYD201 and CYD208 manual Initial Power UP Sequence, Power UP Errors

Page 21

OMEGA Model CYD201/CYD208 User’s Manual

2.8INITIAL POWER UP SEQUENCE

The test sequence below occurs at power up.

1.All display segments light.

2.The unit displays “-201-” or “-208-”.

3.The instrument begins normal operation. Units currently selected flash. Model CYD208s also indicate the current channel selected.

2.9POWER UP ERRORS

On power up, the CYD201/CYD208 checks internal memory. If a problem exists, an error message displays on the front panel of the instrument.

Er01” indicates a hardware problem in the instrument memory. This error is not user-correctable. First perform the procedure in Paragraph 5.3. If unsuccessful, then call the factory.

Er02” indicates a soft error in the instrument memory. To correct this error, close dip switch 1 on the rear panel for at least 5 seconds, then open it. Follow the calibration procedure described in Paragraph 5.3 after an error 2 reset.

OL” indicates a voltage input overload. This can be caused by an open sensor or diode sensor wired backwards.

Installation

2-9

Image 21
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