Bilt System module - BE2811 5A 18V bipolar current source
Contents
1. 20ppm At switching frequency 130kHz p p lt 4ppm Spurious free dynamic range sine wave 10Hz 10mA p p gt 50dBc sine wave 1Hz 2Ap p gt 85dBc Current glitch at setting update for 3ms max lt 80UA Current setting sampling rate network proceeding continuous setting update 100Hz internal buffer reading a waveform 200Hz Source cutoff time whatever the load or current 50ms Hardware trigger in digital delay delayed current setting synchronous update 1 2ms Read back measurements Conditions Comments Specification Current measurement and setting have exactly the same specifications and performances 19 bit Voltage resolution absolute accuracy 16 bit LSB 0 7mV 10mV Sampling period Current 3ms Voltage 25ms Bilt Modular System BE2811_brochure_1 1 P2 4 BE2811 module features Current setting control gap tracking New setting 20 a ii A logic level tracking signal indicates that the output update is in progress OUTPUT ro It is set to 1 when the output has settled within a programmable gap tracking interval When operating with a noise free load the TRIGGER INPUT typical small step settling time is 15ms using a gap tracking interval of 1 LSB 20pA TRACKING OUTPUT Lf settling time lt ii l l l l i raor mgg delay digital slope When required the output update can be delayed by e a programmable digital slope slew rate limitation useful for maintaining linear operation with2. range 5A Saturation voltage setting range Quadrant I amp lll DC operation see note 1 1V 18V Power clamping voltage Lmax Imax cut off Quadrant II amp IV pulse lt 50ms 22V 23V Load inductance range no trimming required 0mH 200mH Load resistor range 00 500 DC output power cutoff after 50ms over the limit Quadrant I amp Ill 90W DC sink power limitation cutoff after 50ms over the limit Quadrant II amp IV 200mA or 1V Power efficiency Pmax at chassis level i e related to mains input power 55 Isolation voltage Between the source ground and the earth 1 2V note 1 for safety purpose only actual saturation voltage is current dependent 1 5V maximum gap occurs at open circuit Current setting performances Conditions Comments Specification Setting resolution including polarity bit 19bit 1LSB 20uA 4ppm Differential linearity error 2ppm Integral linearity error 40ppm Long term drift after 30mn self heating Tamb 0 5 C for 8 hours 24ppm Thermal drift after 30mn self heating within the 16 C 26 C range 15ppm C Absolute accuracy 1 year offset gain 1mA 500ppm of the value Dynamic performances All parameters for a 24mH 2Q load unless otherwise noted Conditions Comments Specification Small step settling time to 99 100mA step no overshoot lt 10ms to 1 LSB 1mA step lt 50ms Current slope programmable 1mA ms to 100mA ms Current Noise 0 1Hz 10Hz whatever the load or current p p 8ppm 10Hz 10kKHz p p
3. 1 1 2014 06 12 module data sheet specifications and main features BE2811 User Manual 1 1 2014 05 20 module user manual including chassis network software connections description TE2890 User Manual 1 1 2014 05 20 BE281x modules functional test specification and user manual BE2811_applinote_A1 http www bilt system com bilt user manual and any other Bilt modules specification Standards Calibration Warranty Maintenance amp Integration Bilt system is compliant with CE Standards Each module comes with a two years initial guarantee which can be increased on request Each module is fitted with an on board memory for complete part tracking software calibration and test report edition iTest develops integrated test benches dedicated for each module and therefore can proceed on request to on site check and periodic calibration The recommended periodicity for regular calibration is two years According to the customer requirements iTest can offer either on site maintenance or return to workshop maintenance When delivering large or dedicated systems iTest performs on site integration and training for both software and hardware test A INNOVATIVE TEST SYSTEMS 119 rue de la providence 31500 TOULOUSE FRANCE Tel 33 5 61 54 81 30 http www bilt system com Bilt Modular System BE2811_brochure_1 1 P4 4
4. jte st Bilt System module BE2811 5A 18V bipolar current source v High Resolution 19 bits 2OUA vy Low Noise 30 uAp p v Low drift 24ppm within 8 hours Main features e True 4 quadrant current source with programmable saturation voltage 1V pulse lt 50ms e Large safe operating area convenient for any inductive load ranging from 0 up to 200mH no tuning required e Programmable current slope e Small step settling time at 99 9 10ms e Tracking output signal available for the monitoring of the current settling to a programmable interval Bilt system features 1mA 100ms pulse DC4 9A 1mA step Up to 13 BE2811 source modules into a 19 Bilt chassis up and down Curr ReadBack A nr a errors e Host connections at chassis level including Ethernet and USB D E e Complete software package provided including a turnkey PC software Labview driver and tools for tracking developers like C Library down to 20uUA 50 0 50 100 150 200 250 within 25ms time ms Application examples e Synchronization between sources using either e Accurate driving of beam position corrector magnet network software trigger or hardware trigger input 88 88 P e Laser diode aging test e Current setting waveform generator with synchronized current measurement buffer e Superconducting coil BE2811_brochure_1 1 BE2811 module specifications Operating range 5A Current setting
5. large steps and large inductors e an additional programmable digital delay 0 to 1000ms e await for external hardware or software trigger both are available at module level and at chassis level Start amp Stop START is processed using slew rate limitation in the same way that any setting update at run time START setting STOP STOP is processed within 50ms whatever the current h level and the inductance value up to 200mH using internal power clamp circuitry 1 I slew rate In addition after the completion of the stop an internal control relay closes the output with a short circuit to ground g therefore no output glitch can occur when the device is ous powered up and down Current waveform generator and current measurement buffer The waveform buffer contents up to 1024 samples The sampling period is programmable from 5ms up to 100ms i Meas Buffer 512x10ms The reading can be one shot or loop for ever It starts after a valid software or hardware trigger The waveform is processed according to the slew rate limitation IF HN AA AAD The measurement buffers uses also the same trigger MIAN J 2 VV V the writing starts after a valid software or hardware trigger 3 measurement buffers are available using different sampling in periods 1ms 10ms and 100ms and providing a record duration of 500ms 5s and 50s Connections The front panel of the module is fitted with 2 connector
6. s A 3 pin SABRE header from Molex for power output A Dsub15 S connector with both power signals and control signals including e Remote voltage measurement e ON OFF state logic output e TRACKING logic output e TRIG IN input for hardware trigger at module level e Trigger Out Tune Tune spares connections for future purposes Bilt Modular System BE2811_brochure_1 1 P3 4 BE2811 module related products and documents Including this BE2811 model a range of different modules are available for the purpose of magnet supplying BE548 10A 120W 0 5mH 5mH tuning required 60s 100ppm 100ppm double BE549 2A 50V 40W 50mH 900mH tuning required 75us 100ppm 100ppm double BE2811 5A 18V 90W OmH 200mH no tuning required 20ms 7ppm 24ppm single BE2812 15A 8V 120W OmH 10mH no tuning required 20ms 7ppm 24ppm double According to the customer needs any other combination of specification can be used to design a new model Example of Bilt chassis fitted with proper power items convenient for a set of BE2811 modules Chassis reference Module qty per chassis Rack size W H D AC input power DC output power BN100 power Kit BN084 10 modules 19 x 4U x 360mm 1KW 220V 550W BN100 power Kit BNO73 10 modules 19 x 4U x 360mm 725W 90V 240V 390W BN103 5 modules half 19 x 4U x 260mm 330W 90V 240V 180W note Total DC output power lt lt module Qty x maximum module output power Documentation BE2811 Brochure
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