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Related Manuals for Oxford Instruments Shasta
Summary of Contents for Oxford Instruments Shasta
- Page 1 User Manual User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Oxford Instruments X-Ray Technology Shasta 50/60 kV High Voltage Power Supply Issue 02 February 2015 Shasta User Manual 3900001 Rev. C Page 1 of 24...
- Page 2 SERVICE SAFETY PRECAUTIONS There are no user serviceable parts in the power supply. Service should be performed by a trained Oxford Instruments technician. DANGER: the product manual identifies hazards in the operation of this unit that could possibly lead to injury or death.
- Page 3 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply WICHTIGE SICHERHEITSVORKEHRUNGEN ALLGEMEINE SICHERHEITSVORKEHRUNGEN Dieses Netzgerät erzeugt gefährliche Spannungen, die möglicherweise zum Tod führen können. Bitte seien Sie ausgesprochen vorsichtig, wenn Sie mit diesem Gerät arbeiten.
- Page 4 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply PRÉCAUTIONS DE SÉCURITÉ IMPORTANTES PRÉCAUTIONS DE SÉCURITÉ GÉNÉRALES L'alimentation génère des tensions dangereuses pouvant être mortelles. Veuillez faire preuve d'une extrême prudence lorsque vous travaillez avec cet équipement.
- Page 5 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply IMPORTANTES PRECAUCIONES DE SEGURIDAD PRECAUCIONES DE SEGURIDAD GENERALES Esta fuente de alimentación genera voltajes peligrosos que podrían ser mortales. Por favor tenga extremo cuidado cuando trabaje con este equipo.
- Page 6 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply 重要的安全注意事项 一般安全注意事项 此电源产生的高电压非常危险，甚至致命。 使用此设备时请格外小心。 高压电源必须始终接地。 不要接触连接器，除非设备电源已关闭，负载和电源内部的电容已完全放电。 至少等待 5 分钟，让电源的内部电容充分放电。 不要让自己接地，也不要在潮湿的环境下操作。 维护时的安全注意事项 维护电源时可能需要带电取下设备盖。 维护工作应当由知晓电气危害的专业技术人员执行。 警告： 产品手册列出了操作此设备时出现的可能导致伤害或死亡的危害。 注意： 产品手册列出了应当严格遵守的操作流程，以避免可能对设备造成的损坏。 产品手册可以从以下地址下载： http://www.oxford-instruments.com/shasta-manual 3900001 Rev. C Page 6 of 24...
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Page 7: Table Of Contents
User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Table of Contents Introduction Shasta Power Supply Overview Shasta Models Description Interface Safety and Reliability Safety Guidelines Regulatory Compliance Quality Management System Reliability Environment Electrical Performance... - Page 8 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Adjusting Filament Current – On Tube Basic Steps to X-ray Generation – Analog Control Monitoring X-rays LED Indicators Electrical Connections J1 High Voltage Output & J3 Filament/Grid Connector (3 Pin)
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Page 9: Introduction
Shasta High Voltage Power Supply Introduction This document provides the information required to operate the Shasta series power supplies safely and within the limits of the specification. It must be read in full before any attempt is made to operate the power supply. -
Page 10: Shasta Power Supply Overview
Shasta High Voltage Power Supply Shasta Power Supply Overview The Shasta power supply series is designed to be used as a grounded cathode X-ray tube power driver. It contains the power supply stages (HV, filament and optional grid) and the control circuitry necessary to the supply and control of an X-ray tube. -
Page 11: Safety And Reliability
If you do not fully understand the information given in the handbook do not use the power supply. Contact Oxford Instruments or an authorized agent for advice. Safety Guidelines This power supply is capable of producing hazardous voltages, which under some circumstances may be fatal. -
Page 12: Regulatory Compliance
Oxford Instruments or to an Oxford Instruments authorized service center for repair. 11) Do not use the power supply if it is damaged. Return to Oxford Instruments, or to an Oxford Instruments authorized service center for examination. -
Page 13: Environment
User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Environment Temperature: 0 to +45ºC max case temperature (Operational) -20 to +85ºC (Storage) Humidity: 80% maximum relative humidity up to 31ºC, reducing linearly to 50% at 40ºC, Non-condensing... -
Page 14: Grid Voltage Output
User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Grid Voltage Output Type: Voltage source Voltage: -300V Output Current: 0.25mA, (short circuit current 2-4mA) Polarity: Negative Ripple voltage: <300mV peak to peak <2%, 10kΩ Output Impedance... -
Page 15: Setting Kv And Ma Set Points
The input range for these analog inputs is 0.0V to 10.0V. NOTE: The Shasta supply provides a stable +10.0V reference on pin 1 of J5 that can be used as the high end for the host’s analog outputs. Use of this reference voltage is recommended, but not required. -
Page 16: Setting Grid Bias Scaling (Optional Feature)
3. Adjust the Grid Bias via the ‘Bias Adj’ potentiometer on the front of the unit to the optimal value provided by Oxford Instruments (see note below). The Grid Bias may be measured directly between J2 pin 3 (Grid Bias) and J3 pin 2 (Filament Return). - Page 17 Accuracy ±2% Output impedance 1kΩ LED Indicators In addition to the connector outputs, the Shasta power supply has three LEDs which can be used to visually identify the state of the supply: Green LED Illuminated when +24V Input Power applied to unit...
- Page 18 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Electrical Connections J1 High Voltage Output & J3 Filament/Grid Connector (3 Pin) The high voltage, filament and grid connections are made with custom cable assemblies, provided with the power supply.
- Page 19 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply J5 Programming Connector (9 Way) NAME IN/OUT FUNCTION +10V DC REF Output +10V DC reference for programming Unused pin. Should be left floating kV PROG Input...
- Page 20 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Mechanical Outline Construction: Fabricated alloy with protective treatment Grounding: Case and screen of output cable internally connected to 0V and chassis grounding terminal Cooling: Cooling of the power supply is by the conduction through the mounting panel (case) and natural convection through the holes in the lid, one side panel and the rear panel.
- Page 21 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Input Connection Diagram 3900001 Rev. C Page 21 of 24...
- Page 22 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Outline Drawing 3900001 Rev. C Page 22 of 24...
- Page 23 User Manual Issue 02 February 2015 Shasta User Manual Shasta High Voltage Power Supply Safety Ground Connection 3900001 Rev. C Page 23 of 24...
- Page 24 Shasta High Voltage Power Supply Maintenance Replacement of components (including fuses) Any components that are believed to be faulty must be replaced by Oxford Instruments (see repairs section). It is not permissible for the operator to replace any components (including fuses) within the power supply.
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