Related Manuals for Agilent Technologies E5080 Series
Summary of Contents for Agilent Technologies E5080 Series
- Page 1 Agilent E5080 Series Cryogen Monitor with Pressure Control User Guide Agilent Technologies...
- Page 2 A CAUTION notice denotes a haz- agreement and written consent from imum extent permitted by applicable ard. It calls attention to an operat- Agilent Technologies, Inc. as governed by law, Agilent disclaims all warranties, ing procedure, practice, or the like United States and international copyright...
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Page 3: Table Of Contents
To make advanced settings To make serial cable pin connections Using Hyperterminal to upload logged data Command Instruction Set General commands Helium commands Thermal channel commands Pressure commands Gas flow (E5084 only) Gas heater (E5083 only) E5080 Series Cryogen Monitor User Guide... - Page 4 Request command Connector Pin Assignments E5080 Series Cryogen Monitor User Guide...
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Page 5: Introduction
Agilent E5080 Series Cryogen Monitor with Pressure Control User Guide Introduction Safety Compliance Notice Important Notice Contact Information Agilent Technologies... -
Page 6: Safety
There are no user maintainable parts within the instrument. Should the unit require repair, return it to Agilent Technolgies; see “Contact Information” on page 7. Do not move the equipment after installation and connection to a magnet. E5080 Series Cryogen Monitor User Guide... -
Page 7: Compliance Notice
Any modification or maintenance procedure undertaken which is not approved by Agilent Technologies UK Ltd could nullify marking of this product and lead to prosecution. A 'Declaration Of Conformity' in accordance with the above directive has been made and is located at Agilent Technologies, Yarnton, Oxfordshire, UK. -
Page 8: Important Notice
Introduction Important Notice Inspect goods immediately on arrival for possible transit damage, and notify Agilent Technologies within three days of receipt of goods. Failure to do this invalidates any possible claim. Disclaimer Every precaution has been taken in the preparation of this publication. -
Page 9: Contact Information
Santa Clara, CA 95051 Telephone Numbers: Toll Free: +1 (800) 227 9770 Agilent website (all countries) To find contact information for your country, click the following link, select your country, and then click Go. http://www.chem.agilent.com/en- us/ContactUS/Pages/Contact Us.aspx E5080 Series Cryogen Monitor User Guide... - Page 10 Introduction E5080 Series Cryogen Monitor User Guide...
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Page 11: Operation
Agilent E5080 Series Cryogen Monitor with Pressure Control User Guide Operation Description and Specifications Operation Troubleshooting Settings for Hyperterminal Command Instruction Set Connector Pin Assignments Agilent Technologies... -
Page 12: Description And Specifications
E5084 actively regulates the flow of escaping helium gas so that the pressure is kept at a constant set level, typically a little higher than the maximum local pressure which will generally be experienced. E5080 Series Cryogen Monitor User Guide... -
Page 13: E5083 - Pressure Regulation For Refrigerated Magnets
Heat generated by the resistor is actively regulated so that it balances the excess cooling power of the refrigerator. E5080 Series Cryogen Monitor User Guide... - Page 14 Operation Figure 2 Schematic of E5083 system operation E5080 Series Cryogen Monitor User Guide...
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Page 15: Technical Specification
Environmental conditions The equipment is designed to be safe within the following environmental conditions: Ambient temperature range C to 40 Relative humidity range 30% to 95% noncondensing Atmospheric pressure 700 hPA to 1060 hPA E5080 Series Cryogen Monitor User Guide... -
Page 16: Operation
LED is illuminated. When the display is showing an error condition, an internal acoustic sounder sounds. For more information relating to how the unit responds to errors, see “Troubleshooting” on page 18. E5080 Series Cryogen Monitor User Guide... -
Page 17: Connecting The E5080 To A Magnet System
The E5080 can measure the following items: • Cryostat pressure • Atmospheric pressure • Helium level for two independent probes • Thermal sensor reading for two independent sensors • Gas flow rate (E5084 only) E5080 Series Cryogen Monitor User Guide... -
Page 18: Using The Menu System
Left and Right buttons adjust the value. Center/Enter applies the value. If an entry is left incomplete or the menu system is not exited, a time- out of approximately one minute occurs. E5080 Series Cryogen Monitor User Guide... - Page 19 LCD screen, to the effect that the audible alarm is muted. • When the alarm situation is corrected, the mute is automatically reset to Off, thus enabling any subsequent audible alarm. E5080 Series Cryogen Monitor User Guide...
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Page 20: Troubleshooting
Within three seconds gas pipe to atmospheric very likely Falling helium level Helium low alarm, later Blocked gas pipe Pressure may be affected Likely that a pressure error is triggered Measured helium pressure does not rise E5080 Series Cryogen Monitor User Guide... -
Page 21: Problems That Occur On E5084 Unit Only
"Flow high" message appears on screen. Zero flow Flow falls below low flow "Zero flow" May occur legitimately trip level. message appears on directly post-helium fill. screen. E5080 Series Cryogen Monitor User Guide... -
Page 22: Problems That Occur On E5083 Unit Only
Disconnected gas Hardware failure of gas Heater hardware Within three seconds after heater heater failure is indicated. E5083 commands gas heater " ON " E5080 Series Cryogen Monitor User Guide... - Page 23 Cryo-cooler low A cooler on to off ratio Alarm LED active, efficiency that exceeds the set sounder active, if not alarm level muted. E5080 Series Cryogen Monitor User Guide...
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Page 24: Helium Probe Hardware Errors
During a period when the heater is off, a fault is not detected until the heater is next energized. In normal use the gas heater cycles continuously and changes state On to Off several times during an hour. E5080 Series Cryogen Monitor User Guide... -
Page 25: Settings For Hyperterminal
E5080 unit over a serial link. Adjustments to these settings can be made by an Agilent engineer during system installation. Do not change these settings during normal operation without prior approval from Agilent. E5080 Series Cryogen Monitor User Guide... -
Page 26: To Make Advanced Settings
COM2 is shown below. You may need to use COM1, COM2 or COM3. On the first screen, click Configure to display the COM Properties screen, shown on the right below. Set the COM parameters and click OK. E5080 Series Cryogen Monitor User Guide... -
Page 27: To Make Serial Cable Pin Connections
To make serial cable pin connections Connect only the pins shown in the table below. E5083M 9 way skt PC 9 way skt pin 2 pin 2 pin 3 pin 3 pin 5 pin 5 E5080 Series Cryogen Monitor User Guide... -
Page 28: Using Hyperterminal To Upload Logged Data
Type R, <RETURN> to upload the logged data. When the log upload has ended: Click Transfer. Select Capture Text. Click Stop in the same dialog box. To view the data, use an appropriate spreadsheet program. E5080 Series Cryogen Monitor User Guide... -
Page 29: Command Instruction Set
Set Date (0 to 31) Set Day (1=Sun, 2=Mon, 3=Tue, 4=Wed, 5=Thu,6=Fri,7=Sat Set hours (0 to 23) Set minutes (0 to 59) Set seconds (0 to 59) Enable Burst Disk Disable Burst Disk Restart software E5080 Series Cryogen Monitor User Guide... -
Page 30: Helium Commands
Set Heater Current where nnn is current in mA including leading zeroes PR2nnnmm Set Probe Resistivity where nnn.mm is resistivity in ohms/m including leading zeroes Set Helium Fill mode On Set Helium Fill mode Off Read Helium level E5080 Series Cryogen Monitor User Guide... -
Page 31: Thermal Channel Commands
00 For software versions 1 to 4 where kkk is x.xx degs K For software versions 5 onward where kkk is xx.x degs K where RRRRR is Ohms with leading zeroes E5080 Series Cryogen Monitor User Guide... -
Page 32: Pressure Commands
Sets the E5084 Low level flow alarm value in cc/hr liquid He Gas heater (E5083 only) Command Function CLnn [00..99] Gas Heater Alarm lower limit Please note that a CL00 will turn OFF the cryo-cooler alarm function. E5080 Series Cryogen Monitor User Guide... - Page 33 Read Thermal sensor List of Table entries data table Channel A Read Thermal sensor List of Table entries data table Channel B N.B. for early single thermal channel version use CT, CE, and CN. E5080 Series Cryogen Monitor User Guide...
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Page 34: Connector Pin Assignments
Sensor 1 -I Sensor 2 -I 3 Pin DIN Skt Heater 25D Skt Alarm Relay Common 1 Normally Open 1 Normally Closed 1 Common 2 Normally Open 2 Normally Closed 2 Maximum contact rating 30Vdc/1A E5080 Series Cryogen Monitor User Guide... - Page 35 Operation 6 Pin DIN Skt Burst Disc +V Burst Disc -V E5080 Series Cryogen Monitor User Guide...
- Page 36 Operation E5080 Series Cryogen Monitor User Guide...
- Page 38 Agilent Technologies © Agilent Technologies, Inc. Printed in USA, April 2012 *9100382900* 9100382900...