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Dr.X Works G1-ISOK Product Manual

Dc photogun
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DC Photogun
G1-ISOK
product manual
version 1.1
Dr.X Works BV
Engelsbergenstraat 18
5616JC Eindhoven
The Netherlands
Phone: +31852460114
www.drx.works
info@drx.works

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  • Page 1 DC Photogun G1-ISOK product manual version 1.1 Dr.X Works BV Engelsbergenstraat 18 5616JC Eindhoven The Netherlands Phone: +31852460114 www.drx.works info@drx.works...

  • Page 3: Table Of Contents

    Contents 1 Introduction 2 Installation 2.1 Unpacking and inspection ......2.2 Installation ........2.3 power requirements .

  • Page 4: Introduction

    Introduction In the 100 kV DC electron gun voltages up to 100 kV can be applied across a diode consisting of a flat copper cathode and a copper anode with a hole, which are separated by 1 cm. The high voltage is applied through a compact coaxial HV feed-through. At 100 kV this results in a DC electric field of 12 MV/m on the cathode surface.

  • Page 5: Installation

    Installation Unpacking and inspection 1. Unpack and install the Matsusada 100 kV power supply in a 19” rack. Visually inspect for damages. 2. Unpack the USB remote control of the Matsusada power supply. Visually inspect for damages. 3. Unpack the photogun. Visually inspect for damages. 4.
  • Page 6 2.2. Installation 3. Disassemble the Blank CF40 flange from the front of the gun and save the bolts and washers. Connect the laser incoupler to the CF40 flange on the front of the gun with the CF40 copper gasket provided by DrX Works. See picture below for installation instructions.
  • Page 7 2.2. Installation 4. Connect one turbo pump to the back of the photogun and another turbo pump to the top port of the 6-way cross that houses the laser incoupler. See below for where to connect the pumps. Make sure to add at least one (preferably non-magnetic) pressure gauge to either the front / back turbo to monitor the pressure of the gun.

  • Page 8: Power Requirements

    2.3. power requirements that the can be vented separately. Note that every time when the gun is vented it needs to be trained again. 8. All vacuum flanges should now be sealed. Start pumping down the system. 9. Connect the high voltage cable coming from the photogun to the Matsusada high voltage power supply.

  • Page 9: Operation

    Operation Photogun in a Ultrafast electron diffraction experiment Example of a ultrafast electron diffraction system including compression and deflection cavity for electron bunch compression and temporal characterization. 80.00 60.00 60.00 60.00 42.25 281.63 471.20 379.62 155.78 850.82 343.73 18.39 DC Photogun version 1.1...

  • Page 10: Alignment Of Laser Beam

    3.2. Alignment of laser beam Alignment of laser beam Align the laser beam on the cathode and make sure that the reflected beam exits via the laser in-coupler. Focus the electron beam on the cathode. Monitor the size of the laser spot on the cathode via a virtual focus on a UV camera.

  • Page 11: Daily Operation

    3.3. Daily operation Daily operation Operate the gun at a voltage not higher than 100 kV. The 100 keV electron gun and electron beam can produce radiation so for your own safety monitor the radiation level during operation. DC Photogun version 1.1...

  • Page 12: Technical Specification

    Technical specification High Voltage Gun Normal operation Training Maximal Voltage (kV) Maximum Current ( A) Mechanical Power Supply Photogun Dimensions (LHW) 19” x 2U x 500mm 520 mm Weight approx. 20kg approx. 50 kg DC Photogun version 1.1...

  • Page 13: Environmental

    Environmental Operating temperature range 0 to 40 C ambient, however temperature fluctuations should be kept as small as possible to prevent drifting. The DC Photogun should be operated in a clean environment. On no account must the DC Photogun be exposed to water ingress. DC Photogun version 1.1...

  • Page 14: Maintenance

    Maintenance No maintenance is required in normal operation and there are no user-serviceable parts within the DC Photogun. Each product is factory tested and supplied with a set of test results. If degradation in performance to below the specified levels occurs, or a failure is suspected, then the complete unit should be returned to the manufacturer together with details of the fault.

  • Page 15: Safety

    Safety Hazardous voltages are present within this line-operated unit. Do not remove any panels. The DC Photogun must be grounded. Line supply is filtered within the amplifier. A replaceable fuse is fitted to the line input connector which should be changed only when the AC power is disconnected from the connector.

  • Page 16: Warranty

    Warranty Dr.X Works B.V. warrants for 2 years from date of shipment that the goods supplied will be in full compliance with the agreed specifications and will be free from defects in material and workmanship. Any and all other warranties (except of title) express or implied, relating to fitness for particular purpose, merchantable quality or otherwise are expressly disclaimed.

  • Page 17: Mechanical Outline

    Mechanical outline DC Photogun version 1.1...

  • Page 18: A Manual Gun Training

    Manual gun training We strongly advise to training the gun using the DrX photogun training software. When the pressure is below 5 10 mbar you can start ramping the voltage. While doing this it is advisable to monitor radiation level and vacuum pressure level. An interlock should be installed on the Matsusada high voltage power supply to prevent operation of the high voltage when the vacuum is above 5 10 mbar.

  • Page 19: B Matsusada High Voltage Safety Instructions

    Matsusada High voltage safety Instruc- tions DC Photogun version 1.1...
  • Page 20 afety and Usage of igh Voltage wer supply High voltage power supplies must be handled with care. "We use ours carefully, so we'll be fine." "We never had any problems, so we're probably ok." ... But, are you sure there is nothing you've neglected or overlooked? Let Matsusada Precision, which specializes in the manufacture of high voltage power supplies, show you the correct way to use a high voltage power supply.
  • Page 21 Safety and Usage of High Voltage Power Supply 1 To prevent discharging Even for insulators, various discharge phenomena are likely to occur as the applied voltage increases. Therefore, when handling high voltage, it is extremely important to ensure withstand voltage for safety. Withstand voltage is determined by the creepage distance and insulation distance of the insulator, and the shape of the electrode.
  • Page 22 Safety and Usage of High Voltage Power Supply 2 Handling high voltage output cables There are a variety of ways to make connections when applying high voltage. Here we describe an example method for handling high voltage cables, and precautions that should be observed. For direct soldering In order to avoid discharging electricity in a manner that Finish soldering so that “pointed”...
  • Page 23 Safety and Usage of High Voltage Power Supply 3 Items that require particular attention When handling high voltage, failure to observe safety precautions can result in electric shock, or even death in the worst case. Be sure to carefully observe the following safety precautions. Always connect a ground wire In order to avoid discharging electricity in a manner that will cause bodily harm, either cover the object with an insulator that has sufficient dielectric strength, or cover it with an object that has ground potential so that electricity is not discharged to a different location.
  • Page 24 Perform operations with your right hand In order to reduce the risk of electric current flowing through the important organs of your body even in the event of electric shock, be sure to operate high voltage power supplies with only your right hand while keeping your left hand away from the high voltage power supply and all other equipment.
  • Page 25 Electric Shock Electric shock, or electrocution, refers to the flow of electric current through the human body. The degree of electric shock is related to the value of the current that flows through the body, and the path through which the current flows.
  • Page 26 First Aid for Electric Shock Rescue Immediately move the victim away from the conductor through which the electric current is flowing. At that time, avoid direct contact with both the conductor through which the electric current is flowing and the body of the victim, to avoid becoming subject to electric shock yourself.
  • Page 27 ontact us for various kinds of ower supplies As a pioneer of power supply manufacturing, Matsusada Precision offers solutions to meet various needs with its expertise through direct sales. Please visit our website and contact us for more information. www.matsusada.com Contact Us Contact with phone or fax Contact with phone or fax...

  • Page 28: C Matsusada Au-Series Manual

    Matsusada AU-series Manual DC Photogun version 1.1...
  • Page 29 Instruction Manual AU SERIES （≦300W） MODEL *014.9.124* Rev. 5.2 B/N 014.9.124...
  • Page 30 SAFETY This power supply unit generates high voltage and energy. Electric shock may lead to death or serious injury. Be sure to follow the instructions below and handle the unit with caution. 1. BE SURE TO GROUND!! Be sure to ground the power supply unit before use. 2.
  • Page 31 Symbols Various symbols are used in this instruction manual and on the product for ensuring safety. What will be caused by ignoring the instructions given with the symbols or by improper handling are classified as shown below. Read carefully and understand the descriptions before proceeding to the main body of this manual.
  • Page 32 Caution ！ Do not install the unit upside down or Do not use the unit in a place subject to on a wrong side. high temperature or in an enclosed, Insufficient heat release may cause limited area. deterioration of parts, which may It not only hampers the unit from generate smoke or set fire.
  • Page 33 First-aid procedures to be implemented in case of electrical shock RESCUE 1. Free victim from contact with live conductor quickly. Avoid contact with neither live conductor nor victim’s body. 2. Shut off high voltage at once and ground the circuit. If high voltage cannot be turned off quickly, ground the circuit to discharge, or cut high voltage line by an ax with dry wooden handle.
  • Page 34 Artificial respiration PLACE VICTIM 2.Clear throat Place victim in face-upward position horizontally. CLEAR THROAT Turn head to one side quickly wipe out any fluid, mucus, or foreign body from mouth and throat with fingers. 3.Open air passage OPEN AIR PASSAGE Tilt head back and extend neck to open air passage.
  • Page 35 WARRANTY 1. WARRANTY POLICY Matsusada Precision Inc. ("Matsusada") warrants that the products supplied by it will be free from defects in materials and workmanship for a period of twelve (12) months from the date of original shipment to buyer. This warranty shall not apply to any product which has been repaired, modified or worked on by persons unauthorized by Matsusada, used other than in accordance with the instruction manuals, used in inappropriate environment (with corrosive gas, high humidity, etc) or damaged by any event beyond Matsusada's control such as force majeure.
  • Page 36 CONTENTS CONTENTS Safety ⅰ For Safe Use ⅱ、ⅲ Rescue (First aid) ⅳ Artificial respiration ⅴ Warranty ⅵ CONTENTS ⅶ、ⅷ １ Introduction １－１ Introduction １－２ Specification １－３ Unpacking the POWER SUPPLY １－４ Installation conditions 1-4-1 Safety 1-4-2 Connecting AC line input cord 1-4-3 How to GROUND 1-4-4 Connecting to load １－５...
  • Page 37 CONTENTS ４－６ Remote switch ON/OFF（LS） ４－７ Door switch（LD）=Inter Lock ４－８ Output current monitor, Output voltage monitor 4-8-1 Output current monitor（L1） 4-8-2 Output voltage monitor（L2） ４－９ HV status signal ４－１０ Remote reset（LT） ５ Selecting output voltage polarity ５－１ Output voltage 1kV-6kV reversible polarity type ５－２...

  • Page 38: １－１ Introduction

    １ I n t r o d u c t i o n 1 Introduction １－１ Introduction Thank you very much for your purchase of our product HIGH VOLTAGE POWER SUPPLY. We have done Please handle this unit properly according to this instruction manual so that you can use the full performance of this unit safely for long.

  • Page 39: １－３ Unpacking The Power Supply

    １ I n t r o d u c t i o n １－３ Unpacking the POWER SUPPLY When unpacked the unit, you will please check the following accessories are enclosed with power supply main body. 〈ACCESSORIES〉 ・ AC input cord (1 pc.) ・...
  • Page 40 １ I n t r o d u c t i o n Connect the power board as follows: NEUTRAL= Blue LINE= Brown EARTH（ ） = Yellow/Green ・Electrically ground the power supply main body with the AC line input connector, CAUTION or it is very dangerous.

  • Page 41: How To Ground

    １ I n t r o d u c t i o n 1-4-3 How to GROUND For safe operation, be sure to ground the ground terminal of power supply at one point ・ ！ MUST on the ground. If the Load frame is not grounded ・...

  • Page 42: Connecting To Load

    １ I n t r o d u c t i o n 1-4-4 Connecting to load ・ Select the POWER ON/OFF switch to OFF. (For extra safety, remove the power AC line before working.) ・ Make sure to connect the power supply main body and the load cabinet to the GROUND. ・...

  • Page 44: ２ Exterior View Diagram

    ２ Exterior view diagram ２ Exterior view diagram（30W-300W） ２－１ Front panel ② ③ ④ ① ⑤ ⑥ Fig ２－１ 1kV-60kV Front panel Fig ２－２ 80kV-120kV Front panel ① POWER ON/OFF switch ⑤Output voltage setting dial ② OUTPUT ON/OFFswitch ⑥Output current setting dial ③...

  • Page 45: ２－３ Rear Panel

    ２ Exterior view diagram ２－３ Rear panel ① ③ ⑤ ④ ② ＩＮＰＵＴ ＧＮＤ ＴＢ１ Ｓ２ ＯＵＴＰＵＴ Fig ２－４ 1kV-60kV Rear panel ＧＮＤ ＩＮＰＵＴ ＯＵＴＰＵＴ ＴＢ１ Ｓ２ Fig ２－５ 80kV-120kV Rear panel ①Ground terminal ②Output connector ③interface connector (TB1) ④Ac input connector ⑤Cable cramp...
  • Page 46 ２ Exterior view diagram ２－４ Dimensions(1kV-60kV)
  • Page 47 ２ Exterior view diagram ２－５ Dimensions(80kV-120kV)

  • Page 48: ３ Normal Operation

    ３ Normal Operation Normal Operation Warning This instrument generates HIGH VOLTAGE. ！ Ignoring the instructions for safe operation of the power supply may result to DEATH or BODILY INJURY due electric shock. Please follow the instructions. ！ Caution Always operate the unit with the cover on. ３－１...

  • Page 49: ３－２ Protection

    ３ Normal Operation １０． To end operating the power supply, return the output voltage setting dial to 0 (keep as it is when the unit is re-operated at the same voltage) and select the OUTPUT ON/OFF switch to OFF and next the POWER ON/OFF switch to OFF.

  • Page 50: ４ Advanced Operation

    ４ Advanced Operation Advanced Operation ４－１ Introduction We suggest on Remote Programming Operation. This function is available for external control and monitor. By using GP-IB/IEEE488 or RS 232C adapter (option), it is possible for the computer to operate power supply variously. ４－２...

  • Page 51: ４－３ Selecting Internal Control (Int)/External Control (Ext)

    ４ Advanced Operation ４－３ Selecting internal control (INT)/external control (EXT) Use the external switch to select controlling the front panel setting dial or the rear panel TB1 interface connector. Select to EXT, and the output voltage and the cut-off current can be set with the external voltage source and the external volume.

  • Page 52: ４－４ External Voltage Control

    ４ Advanced Operation ４－４ External voltage control Note1 4-4-1 Voltage control by external voltage (LV) 0-10Vdc external voltage can control the output voltage within the range of 0-100%. 4-4-2 Cut-off current control by external voltage 0-10Vdc external voltage can control the cut-off current within the range of 0-100%. Note2 CV ERROR AMP Zin=1MΩ...

  • Page 53: ４－６ Remote Switch On/Off(Ls)

    ４ Advanced Operation CV ERROR AMP 4mA max 10.24Vdc 5kΩ 5kΩ CC ERROR AMP Current Voltage control control 10.24Vdc CV = EXT CC = INT Front panel CURRENT dial Fig 4-4 External volume voltage control 4-5-3 External (EXT) output voltage control and Internal (INT) output current control Short-circuit the part of ----- in Fig.4.4, and the output voltage and the cut-off current can be controlled externally and internally respectively.

  • Page 54: ４－７ Door Switch（Ld）=Inter Lock

    ４ Advanced Operation When the unit is dispatched from the factory, the included connector pins No.17 and No.21 are ！ Caution jumped and the remote switch is set to ON. ４－７ Door switch（LD）=Inter Lock Select the external switch to OFF, and the high voltage output is cut off. When the output is once cut off, high voltage cannot be output for extra safety even if the external switch is selected to ON.

  • Page 55: ４－８ Output Current Monitor, Output Voltage Monitor

    ４ Advanced Operation ４－８ Output current monitor, Output voltage monitor 4-8-1 Output current monitor (L1) 10V voltage is output at the maximum output current. The output impedance is 1kΩ. The monitor output polarity is positive regardless of the high voltage output polarity. 4-8-2 Output voltage monitor (L2) 10V voltage is output at the maximum output voltage.

  • Page 56: ４－１０ Remote Reset（Lt

    ４ Advanced Operation ４－１０ Remote reset（LT） The external switch can reset the cut-off condition at output over current. (The open collector can also do.) Switch 4 Short＝HV reset Open Short reset Switch 4 “L” = HV reset Fig 4-9 Remote reset...

  • Page 57: ５ Selecting Output Voltage Polarity

    ５ Selecting output voltage polarity 5 Selecting output voltage polarity ５－１ Output voltage 1kV-6kV reversible polarity output type ・When the unit is dispatched from the factory, it is set to (+) output. ！ ・Select the power supply to OFF, remove the AC cable and the output cable from the main Caution body, wait for 10 minutes and more, and open the top cover to change the output polarity.
  • Page 58 ５ Selecting output voltage polarity How to select polarity １． Unscrew the top cover of the power supply. Slowly lift up the top cover to remove. ２． The high voltage modules are located in the power supply. They are connected with ①-⑥ connectors and screws. (Fig.5.3) ③.

  • Page 59: ６ Option

    ６ Option 6 Option ６－１ Floating ground（LF） < Internal Block Diagram Power supply Chassis Load Ground Fig 6-1 Main body, Load, and Ground of the unit equipped with this function CASE Ａ With this function Without this function Fig 6-2 Example of the unit equipped with this function ・...

  • Page 60: ６－２ Slow Start（Lw

    ６ Option ６－２ Slow start (LW) ・Select the HV ON/OFF switch to ON, and the maximum rated voltage can be attained in 10 seconds approximately. If the output voltage is set to 50％ of the maximum rated voltage, the set voltage is attained ！...

  • Page 61: ６－５ Changing Input Voltage (L(U))

    ６ Option ６－５ Changing input voltage (L(U)) ・ When the unit is shipped from the factory, it is set to 100V input range. ！ ・ Select the power supply to OFF, unplug the AC cable and the output cable from the main Caution body, and after waiting more than 10 minutes, open the top cover to change the input voltage range.

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