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Environmental

Operating temperature range 15 to 25

◦

C ambient, however temperature fluctuations should

be kept as small as possible to prevent drifting. The Bipolar current supplyshould be
operated in a clean environment. On no account must the Bipolar current supplybe exposed
to water ingress.

Bipolar current supply version 1.0

Содержание BH1-L

Страница 1: ...Bipolar current supply BH1 L product manual version 1 0 Dr X Works BV Engelsbergenstraat 18 5616JC Eindhoven The Netherlands Phone 31852460114 www drx works nl info drx works nl ...

Страница 2: ......

Страница 3: ...onnections and controls 5 2 3 power requirements 5 2 4 Cooling 5 3 Operation 7 3 1 Programming 7 4 Technical specification 9 4 1 Electrical 9 4 2 Mechanical 9 5 Environmental 10 6 Maintenance 11 7 Safety 12 8 Warranty 13 9 Mechanical outline 14 Bipolar current supply version 1 0 3 ...

Страница 4: ... Electron Diffraction set up the PMX setup sold by DrX Works BV The goal of the design was to develop an easy to use low noise and stable current source with smooth zero passage for driving inductive loads programmable over USB The Current Supply is switchable from 1 A max for steering coils to 2A max for focussing coils Bipolar current supply version 1 0 4 ...

Страница 5: ... When two focusing coils are used they should be connected to the two outputs separately For optimal noise performance a shielded cable should be used with the shield connected to 1 and 2 see Fig 2 1 2 3 power requirements The current source operates on single phase AC mains power from 100 V to 240V with a frequency between 47 and 63 Hz without any need for range selection The primary fuses are 4A...

Страница 6: ...2 4 Cooling Figure 2 1 Connections Bipolar current supply version 1 0 6 ...

Страница 7: ...w ftdichip com The WindowsTM device manager will show what port number is assigned to the device To test the configuration free software is avail able at Sourceforge com http sourceforge net projects realterm files The address of the DAC s installed in the power source is 0x18 and 0x19 The busnumber of the DAC is 0x01 The virtual serial port has to be configured as follows Baud rate 57600 Parity n...

Страница 8: ...e control byte F 1th nibble data F 2th nibble data F 3th nibble data F 4th nibble data P stop I2C The example above is to enable the output of channel A Once enabled the data can be written by using 31 as the control byte The address for channel B 0x1A NOTE Data FFFF 0 Amp and Data 0000 Max Current Bipolar current supply version 1 0 8 ...

Страница 9: ...elow Imax 2 A Vmax 6V Full scale error 0 7 FSR Stability USB controlled 2x10 5 C Stability potmeter controlled 5x10 5 C Non linearity DNL 0 5 0 6 LSB Resolution 15 bits Settling time resistive load 20ms Settling time steering and focusing coil 30ms USB optically isolated 4 2 Mechanical Dimensions LHW 19 x 2U x 500mm Weight ca 7kg Bipolar current supply version 1 0 9 ...

Страница 10: ...owever temperature fluctuations should be kept as small as possible to prevent drifting The Bipolar current supplyshould be operated in a clean environment On no account must the Bipolar current supplybe exposed to water ingress Bipolar current supply version 1 0 10 ...

Страница 11: ...lar current supply 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 Bipolar current supply version 1 0 11 ...

Страница 12: ...move any panels The Bipolar current supply 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 Bipolar current supply version 1 0 12 ...

Страница 13: ...other warranties except of title express or implied relating to fitness for particular purpose merchantable quality or otherwise are expressly disclaimed Seller will not be responsible for special or consequential loss or damages Liability shall be limited to the repair or replacement of defective products subject to the return of the product intact and un tampered with by the buyer Bipolar curren...

Страница 14: ...9 Mechanical outline Front panel Rear panel Bipolar current supply version 1 0 14 ...

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