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Omega Engineering
CYD201 and CYD208
manual
Operation
Models:
CYD201 and CYD208
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Troubleshooting
Install
Alarm Operation
Power UP Errors
Safety Symbols
Connecting Leads To The Sensor
Warranty
Line Voltage Configuration
Model Description of Accessory
SoftCal Calibration Procedure
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OMEGA Model CYD201/CYD208 User’s Manual
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3-6
Operation
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Contents
M789-038A June
Warranty
Return Requests / Inquiries
Table of Contents
Table of Contents
List of Illustrations
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General
Chapter Introduction
Model CYD201/CYD208 General Description
Model CYD201/CYD208 Specifications
Resolution
Handling Cryogenic Storage Dewars
LHe and LN2 Safety Precautions
Handling Liquid Helium and Liquid Nitrogen
Recommended First Aid
Electrostatic Discharge
Safety Summary
Identifying Esds Components
Handling Esds Components
Ground The Instrument
Safety Symbols
Do Not Operate In An Explosive Atmosphere
Keep Away From Live Circuits
Do Not Substitute Parts Or Modify Instrument
Inspection and Unpacking
Chapter Installation
Repackaging for Shipment
Power and Ground Requirements
Sensor Installation Recommendations
Two-Lead Measurement
Two-Lead Vs Four-Lead Measurements
Four-Lead Measurement
Connecting Leads To The Sensor
Sensor Mounting
Measurement Errors Due To AC Noise
J1 Input
Sensor Input Connections
Terminal Description
Sensor Curve Definition
Rack Mounting
Hole Sizes
Model CYD208-DIN Rack Mounting
Initial Power UP Sequence
Power UP Errors
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Chapter Operation
Units KEY
Alarm Setpoint
Scan Mode Model CYD208 Only
Setting Dwell Times Model CYD208 Only
Alarm Operation
Alarm Fix Function Model CYD208 Only
Latched And Unlatched Alarms
Softcal Compensations
SoftCal Calibration Procedure
Verifying SoftCal Operation
Erasing SoftCal Compensations
Operation
Serial Interface Connections
Chapter Remote Operation
Serial Interface
Serial I/O RJ-11 Connector Pin Definitions
J2 Serial I/O
Serial Interface Operation
Sample Basic Program
Serial Interface Command Summary
Sample Quick Basic 4.0 Program
Input
Returned
Input F0x Returned Nothing
Input Hxxx.x Returned Nothing
Input Lxxx.x Returned Nothing
Input R Returned Nothing
Switch ID and Alarm Data
High or Low Parameter H = high alarm, L = low alarm
Input YCx Returned Nothing
End Scanning Model CYD208 Only
Current channel,sign,sensor reading,units, alarm statusCRLF
Sign,sensor reading,units,alarm status Crlf
Scan Status Model CYD208 Only
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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
Recalibration
Current Source Calibration
Model 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 CYD201/CYD208 Wires Lsci P/N Description of Cable
Model Description of Accessory
DIN
Model CYD201/CYD208 Sensors Sensor no Description of Sensor
Series DT-420
Series DT-450
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
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PRESSURE/STRAIN
Temperature
Flow
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