Becker & Hickl DCC-100 Instruction Manual Download Page 1

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Becker & Hickl GmbH

March 2005 Printer HP 4500 PS

Intelligent Measurement
and Control Systems

DCC-100

Detector Control Module

PCI compatible detector control module for single photon counting experiments

- Power supply and gain control for Hamamatsu H7422, H5783 or H5773 modules

- Gain control for Hamamatsu R3809U MCP via FuG power supplies

- Overload shutdown of detectors in conjunction with bh HFAC-26 preamps

- Power supply for thermoelectric coolers, particularly for H7422

- Short circuit pro12V, +5V and -5V power supply for preamps and detectors

- Software sw12V, +5V and -5V power supply outputs for detector on/off control

- High current digital outputs for shutter and filter control

- PCI card, software for Windows 95, 98, 2000 and NT

'Tel.

+49 / 30 / 787 56 32

FAX

+49 / 30 / 787 57 34

http://www.becker-hickl.com
email: [email protected]

Summary of Contents for DCC-100

Page 1: ... via FuG power supplies Overload shutdown of detectors in conjunction with bh HFAC 26 preamps Power supply for thermoelectric coolers particularly for H7422 Short circuit protected 12V 5V and 5V power supply for preamps and detectors Software switched 12V 5V and 5V power supply outputs for detector on off control High current digital outputs for shutter and filter control PCI card software for Win...

Page 2: ...ling Shutters 7 Installation 8 Requirements to the Computer 8 Installation of the DCC 100 Software 8 Software Update 8 Update from the Web 8 Installation of the DCC 100 Module 9 Shutdown of High Current Switches 9 Software 10 Startup Panel 10 Main Panel 10 Power On State 10 State after Software Start 10 Controls for Power Outputs and Detector Gain 11 Detector Overload 11 High Current Switches 12 D...

Page 3: ...tor Control Power Switches DCC 100 Block Diagram 12 bit DAC 12 bit DAC Detector Gain Detector Gain Short Protection Short Protection Short Protection Short Protection Short Protection Short Protection The DCC 100 contains two detector control blocks and one general purpose power switch block Detector control blocks The detector control blocks contain power supply outputs for detectors a digital to...

Page 4: ...ng as the current through the load is smaller than the current limit set by the software When the current through the load reaches the current limit the device automatically switches to current control A block diagram is shown in the figure below Switching Regulator 12V from PC feedback reference current reference voltage PEL PEL Cooler 0 25 Ohm Power supply for cooler R1 R2 R3 A1 D1 A switching r...

Page 5: ...ion in the TCSPC time correlated single photon counting mode is typically 250 ps The H7422 comes in different cathode versions for the wavelength range up to 900 nm The H8632 is available for the wavelength range up to 1100nm The recommended connection to the DCC 100 is shown in the figure right The detector is connected to Connector 3 of the DCC 100 The DCC 100 delivers the 12 V operating voltage...

Page 6: ... overload For overload detection the HFAC 26 01 preamplifier with an overload threshold of 0 1 µA is used Notice Please observe the usual safety rules when working with high voltage Make sure that there is a reliable ground connection between the detector and the HV power supply Don t use broken cables loose connectors or cables with insufficient insulation Don t connect or disconnect the signal c...

Page 7: ... by jumpers on the DCC 100 board see Shutdown of High Current Switches Sometimes it is required to lock a shutter in the closed state as long as a potential overload condition persists An example is a microscope with a mercury or halogen lamp When the lamp is on opening the shutter must be inhibited A solution is shown in the figure right The photodiode detects the light from the lamp and the ampl...

Page 8: ...o called CVI Run Time Engine is required to run the DCC software The Run Time Engine contains the library functions of LabWindows CVI and is loaded together with the DCC software The installation routine suggests a special directory to install the Run Time Engine If the required version of the Run Time Engine is already installed for another application it is detected by the installation program a...

Page 9: ...d for the DCC you should select the driver information file from the driver disk delivered with the module If you don t have the driver disk please download the driver file from www becker hickl com or www becker hickl de Software Windows 95 98 NT 2000 Device drivers for bh modules Shutdown of High Current Switches The high current switches can be shut down i e set into the non conducting state by...

Page 10: ...On State Before the software takes control over the DCC the DCC control registers are in an undefined state To avoid that the detectors are activated and possibly operated at a too high gain after power on the detector overload flip flops are in the Overload Shutdown state That means the 12V and the detector control voltages at connector 1 and 3 are shut down If the jumpers for the shutdown of the...

Page 11: ...responding connector turns on and a warning flashing is issued At the same time the detector control signal and the 12 V at the corresponding connector are shut down You can also disable the high current switches on overload e g to close shutters To disable the switches from the overload flip flops of connector 1 or 2 jumpers on the DCC board have to be set To switch on the detector s after an ove...

Page 12: ...on and off under Parameters Cooler Control The cooling current can be switched on and off by clicking on the ON button To control the cooling power you can set an output voltage and an output current Of course setting voltage and current in an electrical circuit simultaneously is impossible The cooling power supply works in a way that the voltage at the output is controlled as long as the specifie...

Page 13: ...rom setting or loading values exceeding maximum values for a given experiment setup Pin Assignment Connector 1 15pin HD SubD Pin Signal 1 5V out switchable 2 3 4 5 GND 6 5V out switchable 7 8 9 10 12V out switchable ovld sdwn 11 12V out 12 0 10V HV cont ovld sdwn 13 0 1 0V gain cont ovld sdwn 14 OVLD1 input 15 GND Connector 2 15pin HD SubD Pin Signal 1 5V out switchable 2 Bit0 open drain out 3 Bit...

Page 14: ...at Pin 13 min 1 k Output Resistance at Pin 13 100 Output Time Constant 100 ms Overload Shutdown Overload inputs at connector 1 and 3 TTL active Low Pull up resistor 10 k Overload Reset By Software and at Power ON High Current Switches Connector 2 Typical On Resistance 25 C 70 m Max Switch Current Single Switch 2 A Max Switch Current Sum of all Switches 5 A3 Max turn off Voltage at Switch 20 V Turn...

Page 15: ...7 Installation of DCC Module 9 Installation of DCC Software 8 Installation of DCC 100 Driver 9 LabWindows CVI 8 Load Setup 12 Main Panel 10 Manual Download 9 Manual pdf File 9 MCP 6 MCP Lifetime 6 MCP Overload 6 MCP Power Supply 6 Microchannel Plate 6 Outputs enable on startup 11 Overload Flip Flop 3 Overload Light 11 Overload Shutdown 3 10 11 Overload Shutdown via HFAC 26 Preamp 3 5 6 Overload Si...

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