Home

PDF

1. Pin Number Output Voltage Maximum Current 5 to 10 Inclusive OV 18 to 25 Inclusive 1 amp 14 12V 1A 2 amp 15 5V 2A 3 amp 16 12V 0 25A 11 Interlock 1 Input 12 Interlock 2 Input 4 13 Not Connected 8 Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson Pi UMBPS15N P H eT E K ENVISAGE THE FUTURE 5 5 Interlock Inputs The BPS1 has 2 interlock inputs which may be used together or individually When used together the interlocks observe a logical OR function to disable the high voltage output i e if either interlock is enabled and not satisfied the high voltage output will be turned off Each interlock is enabled individually by its related interlock switch located on the front panel of the BPS1 These switches are latching pushbutton switches which incorporate red illumination to indicate when an interlock is enabled When an interlock is enabled and not satisfied the BPS unit will disable the high voltage output and emit an audible tone until either all interlocks are satisfied or the unsatisfied interlock is disabled This audible tone will be emitted even if the high voltage is not enabled Each interlock input is an active low input which requires a OV connection to satisfy the internal logic and allow the high voltage to be enabled An internal pull up resistor ensures that if the interlock is enabled but the interlock input is open circuit the interlock will be unsatisfied
2. UMBPSI5N 3 10 f PH TEK ENVISAGE THE FUTURE Operating Instructions The BPS1 high voltage output must be connected to the device before application of power to this unit Ensure the HT On switch is off the pushbutton switch protrudes from the front panel when the HT is off Set the Adjust Voltage potentiometer to minimum before applying power to this unit minimum output voltage is when the potentiometer control is fully counter clockwise The power may now be turned On Enable any interlocks required and ensure that they are satisfied The high voltage may now be turned on by pressing the HT On switch the high voltage will then increase linearly over approximately 6 seconds If either or both interlocks are utilised these must be satisfied before the high voltage will enable The Adjust Voltage potentiometer may now be slowly rotated clockwise to the desired output voltage The set value can be monitored on the display The unit may now be operated at this level without further adjustment of the Adjust Voltage control unless a gain modification is required To power down the high voltage the HT On switch may be pressed The high voltage output will switch off immediately Set the Adjust Voltage potentiometer to minimum before the power to the BPS1 is turned Off Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson PH TEK ENVISAGE THE FUTURE
3. UMBPSI5N 4 Front Panel Description The front panel of the BPS1 is illustrated below POWER OFF I ON HT n Adjust Voltage Photek 4 1 Power Switch The illuminated power on off switch will illuminate Red when the unit is switched On The neon illuminator in this switch is driven directly from the input mains supply and if the input mains supply voltage is below 100V ac this neon may appear to flash this in no way affects the operation of the BPS unit 4 2 Interlocks 1 amp 2 Switches These are 2 latching pushbutton switches which allow the user to enable the 2 interlock inputs which may be utilised by the customer to provide safety over ride functions for the system Interlocks can be enabled individually or together by depressing the required interlocks pushbutton switch When an interlock is enabled the interlock switch will illuminate red If either interlock is enabled but not satisfied the HT output will be disabled and an audible tone will be emitted If an interlock activates while the HT On is enabled the high voltage output will be immediately disabled until the interlock is once again satisfied Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson f PH TEK ENVISAGE THE FUTURE UMBPS15N 4 3 HT On Switch This is a latching pushbutton switch which will illuminate green when the output is enabled and On If an interlock activates while the
4. and the high voltage will be disabled an audible tone will be emitted to indicate an unsatisfied interlock The Interlock and Power Output 25 way D connector socket is the interlock interface input for the BPS unit Please Refer to section 5 4 for pinout information 5 6 DC Power Output Fuses These are the three 5x20mm internal fuses for the low voltage power outputs The output voltage and fuse rating of each output is indicated above the fuse holder and is detailed in the Table in the Interlock and Power Output section of this manual The combined current utilised by peripheral units must not exceed the rated output of the power supply being utilised If the rated power output is exceeded the internal functions of the BPS unit may be compromised under no circumstances should fuses higher than the rated value be fitted into this unit Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson UMBPSI5N 6 High Voltage Connection Notes All High Voltage connections must be made before applying power to this unit f PH TEK ENVISAGE THE FUTURE The connector supplied with this unit is an 12kV rated high voltage SHV BNC connector Care should be taken to ensure that correct connections have been made before power is applied to this unit For Photek supplied systems all high voltage connectors will be supplied with the system Any user terminated connections must be carried out w
5. high voltage output is ON the will immediately be disabled the green HT On illumination will extinguish and an audible tone will be emitted 4 4 Adjust Voltage Control This is a multi turn potentiometer which is used to set the output of the BPS1 unit The voltage set by this control may be monitored on the display 4 5 Display This is a 3 5 digit LCD display with an integrated backlight facility The output voltage is displayed in kV units i e 5 00 5kV The least significant digit is 10V the accuracy of the display is therefore 5V absolute Manual No UMBPS15N Issue 5 Date 13 8 2012 Author P Simpson UMBPSI5N P H eT E K ENVISAGE THE FUTURE 5 Rear Panel Description The rear panel of the BPS1 is illustrated below Mairs Fuse 110120V Fuse 2 5A 220240V Fuse 15A interlock amp Power Ov T ra J J 12V 1A SVA 12V 250mA Fax e a6 st i DC Power Output Fuses 5 1 IEC Mains Inlet The mains input for this unit is via a fused IEC inlet This unit accepts any a c mains voltage between 90V and 250V either 50Hz or 60Hz For voltages below 120Vac a 2 5A fuse should be fitted and for voltages in the range 220V or higher a 1 5A fuse should be fitted This fuse compartment has the capacity to store 1 spare fuse fuses are 5x20mm dia x length 5 2 HT Output Connector The HT Output high voltage connector fitted to the BPS1 is an SHV BNC socket rated at 12kV d
6. 11 Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson f PH TEK ENVISAGE THE FUTURE UMBPS15N 8 Items Supplied The following Items are deliverable with the BPS1 5N system Item Description Quantity No 1 BPS 1 5N Bench Power Supply 1 2 2m SHV to SHV BNC Cable 1 3 2m IEC Mains Lead with a moulded 1 plug US UK or European Plug 4 BPS1 5N User Manual 1 Photek Ltd August 2012 Any unauthorised adjustment or modification to this unit will void all warrantees and will only be supported at Photeks discretion Photek reserves the right to ammend general information contained in this manual without prior notice 12 Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson
7. 260V a c There is one high voltage output which may be used to power a detector fitted with a potential divider network This unit contains one negative power supply module with the following specifications eh n Ee uiui Output Current Maximum Full Load Ripple Maximum 5kV ImA 500mV Features of this unit are e Variable high voltage output with 10V resolution display 5V e dv dt power up feature to control the output with ramp up function when the unit is first switched on e Output Short Circuit and Flash over protection e Two user interlock functions e Three fused low voltage power outputs 12V 5V 12V The BPS 1 does not provide any image acquisition or image processing functions 2 Safety The high voltage module contained within the BPS 1 has a maximum current capability as follows e VI 5kV module ImA The maximum output energy that can be delivered by this module is limited to 4 joules for user safety Warning If a large capacitive load is connected across the output the energy stored by this external capacitor may exceed this limit Energy Stored By Capacitor 12 CV joules In order to avoid any corona discharge Under no circumstances should a high voltage output be run at a voltage higher than 5kV in air without some insulation material encapsulating the high voltage connection Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson
8. UMBPS15N PH TEK ENVISAGE THE FUTURE BPS1 5N High Voltage Bench Power Supply POWER i or ON HT n Adjust Voltage PRotek BPS1 PH TEK ENVISAGE THE FUTURE This document supersedes all previous specifications Photek accept no responsibility for damage incurred if the customer does not follow the procedures outlined in this manual Photek Ltd 26 Castleham Road St Leonards on Sea East Sussex United Kingdom TN38 9NS Telephone 44 1424 850555 Facsimile 44 1424 850051 E mail sales photek co uk Issue 5 13 August 2012 Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson es PH TEK ENVISAGE THE FUTURE Contents 1 BPS1 5N DESCRIPTION 3 2 SAFETY 3 3 OPERATING INSTRUCTIONS 4 4 FRONT PANEL DESCRIPTION 5 4 1 Power Switch 5 4 2 Interlocks 1 amp 2 Switches 5 4 3 HT On Switch 6 4 4 Adjust Voltage Control 6 4 5 Display 6 5 REAR PANEL DESCRIPTION 7 5 1 IEC Mains Inlet 7 5 2 HT Output Connector 7 5 3 GND Terminal 8 5 4 Interlock amp Power Output 8 5 5 Interlock Inputs 9 5 6 DC Power Output Fuses 9 6 HIGH VOLTAGE CONNECTION NOTES 10 7 SPECIFICATIONS 11 8 ITEMS SUPPLIED 12 2 Manual No UMBPS15N Issue 5 Date 13 8 2012 Author P Simpson f UMBPS15N P H eT E K ENVISAGE THE FUTURE 1 BPS1 5N Description The BPS1 is a mains powered high voltage power supply unit with a universal input which will operate between 90
9. c The SHV BNC High Voltage connector pin assignment and voltages supplied are as follows HT Output Function Output Voltage Center High Voltage Output OV to 5000V Shield OV OV 7 Manual No UMBPSI15N Issue 5 Date 13 8 2012 Author P Simpson f UMBPS15N P H eT E K ENVISAGE THE FUTURE 5 3 GND Terminal This is an M5 terminal binding post which may be utlised as an easy access 0V Earth connection for test and measurement or for system earth bonding Under no circumstances should this be used as a OV power return connection for the high voltage or the low voltage outputs from this unit The high voltage return is the screen of the SHV connector and the low voltage OV return connections are located in the 25 way D Connector 5 4 Interlock amp Power Output This is a 25 Way D type Socket which provides 3 low voltage power supplies for external peripheral units and the interlock input connections This may be utilised to provide power for units used in conjunction with the BPS1 unit such as gate units and pre amplifier modules or interlock interface circuitry Each power output is available on 2 pins of the connector as detailed in the table below and there are multiple OV connections available to allow for several units to be powered with individual power and ground connections for each unit The output pinouts for this connector are detailed below
10. ith adequate precautions to ensure safety of both user and equipment The following precautions should be observed for connections made by the user 1 All wires must have an adequate voltage rating for the high voltage that they will carry All wires utilised in a vacuum chamber must be suitable for this application All wires should be continuous and connected to the SHV BNC plug at one end and the Channel plate detector or appropriately rated connector at the other end These wires should not be wired inline i e joined ensure reliable operation and extended life of the connections Mechanical strength of connections should be ensured with adequate strain relief to Connections should be insulated with suitable insulation material such as heat shrinkable insulation tubing or a suitable silicon compound may be used to encapsulate the connections 10 Manual No UMBPSI5N Issue 5 Date 13 8 2012 Author P Simpson f PH TEK ENVISAGE THE FUTURE UMBPS15N 7 Specifications Mechanical BPS1 Size 155 x 100 x 230mm Maximum Extents BPS1 Weight 1 5Kg Panel Colour Umbra Grey RAL7022 Case Colour Pebble Grey RAL7032 Bezel Colour Stone Grey RAL7030 Electrical Supply Voltage Universal 90 260V 50 60Hz FuseRating Required 100V 110V 120V 2 5Amp 220V 230V 240V 1 5Amp HT Output Voltage OV to 5kV HT Output Current Maximum 2mA Maximum Ripple on Full Load 500mV

PDF

Contents

Download Pdf Manuals

Related Search

Related Contents