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BIM1 / BIM2 / BTC1 / BIM300

Battery Impedance Meters

Instruction manual

Содержание BIM1

Страница 1: ...BIM1 BIM2 BTC1 BIM300 Battery Impedance Meters Instruction manual...

Страница 2: ...dance Meters BRS Messtechnik GmbH Page 2 of 36 Version 1 7 April2015 2015 BRS Messtechnik GmbH Strohberg 23 D 70180 Stuttgart Germany Email info brs messtechnik de Tel 49 711 6558344 File Manual BIM B...

Страница 3: ...d that particularly when the ambient temperature is high the casing can tolerate high temperatures When carrying out measurements over extended periods you should ensure that the measurement device wo...

Страница 4: ...Functions 12 4 1 Functional principle of the impedance measurement 12 4 2 Overview 12 4 3 Settings 12 4 4 Battery discharge during extended use 13 5 Operation 14 5 1 Measurement function at single fr...

Страница 5: ...Meters BRS Messtechnik GmbH Page 5 of 36 Version 1 7 April2015 9 RS232 Communication 31 10 Technical data 32 11 Appendix 34 11 1 Recommendations for cable running 34 11 2 Recommendations for selectin...

Страница 6: ...d with a graphical user interface GUI and the results are shown on this interface Alternatively there is a program ming interface for remote control 1 2 Versions Measurement Functions BIM1 BIM2 BTC1 B...

Страница 7: ...g on OK 1 If you have an internet connection you can also download the driver directly Start the graphic user interface by double clicking on BIMGIUI exe In the top right corner of the GUI the HW Link...

Страница 8: ...f the Kelvin clips Current connection I Voltage connection U red the two connections are guided separately to the collet jaws Current connection I Voltage connection U black the two connections are gu...

Страница 9: ...e can provide these please ask 2 5 Connecting the measurement cable for temperature or current BIM2 3 For temperature measurement an external RTD PT1000 can be connected to the second input at the fro...

Страница 10: ...inated cable provides the greatest degree of freedom such as the con nection of test buttons screwed together cable lugs or a solder connection This sometimes gives more reproducible results When conn...

Страница 11: ...e the following approach for characterising batteries Measurement of the open circuit voltage OCV The acceptable range can be taken from the specifications or from the discharge curve The menu Diagnos...

Страница 12: ...part represents the capacita tive or inductive components A negative imaginary part means capacity a positive part means inductance 4 2 Overview The device is operated using a graphical user interface...

Страница 13: ...set between 0 1Hz 1Hz with BIM1 and 1kHz in quasi logarithmic step with 6 values per decade The lower the frequency the longer the measurement time It is therefore sensible to work with as high a fre...

Страница 14: ...equency from a set of 24 predefined frequen cies The impedance Z is displayed in two forms by real part and imaginary part and by magnitude and phase The real part represents the active resistance com...

Страница 15: ...on will be shown beneath the results display If the result is not valid this will be indicated by a bar Notes on measurement accuracy For high measurement frequencies the inductance of the test item b...

Страница 16: ...ary axis to be shown vertically so that the capacities negative imaginary part can be shown in the first quadrant as this gives a better overview The impedance with the lowest value and highest freque...

Страница 17: ...uency 1Hz or 0 1Hz as well as step size 3 values per decade or 6 values per decade Thus speed and resolution can be adapted Frequency Indices Frequency Hz 6 D and 0 1Hz 6 D and 1Hz 3 D and 0 1Hz 3 D a...

Страница 18: ...nged Enter the desired frequency index in the left hand field and confirm with The parameters Rs Rp and Cp of the simplified Randles equivalent circuit diagram are calculated with the help of the appr...

Страница 19: ...ch will save the most recent complete point sequence To show the reference curves First click the on off button and then click the settings button The available curves are shown in the window which th...

Страница 20: ...full discharge to the final voltage is conducted alterna tively the battery can be discharged by a selectable value The measurement is initiated by pressing the start button The remaining time will be...

Страница 21: ...results are shown in original and in con densed format original data with a resolution of ca 1 measurement per second 1 column condensed data with a resolution of ca 1 measurement per 10 seconds 2 col...

Страница 22: ...ectral shape Nyquist plot For each type individual reference values and tolerances can be specified The entered values are activated with the take over button The nominal plot must curve for the spect...

Страница 23: ...and is stored as a internal table in the instrument The measured voltage is automatically transformed into the SoC and displayed as a relative value b The internal impedance RAC increases with decreas...

Страница 24: ...comparing the actually measured internal resistance with that of a new battery In order to minimize side effects it is sensible to conduct these measurements under similar conditions battery stand al...

Страница 25: ...exceed the limits set the green button next to the battery voltage display turns red At the same time the measurement current is turned off and the discharge of the battery caused by the impedance mea...

Страница 26: ...gle measurements Measurements can also be initiated individually To do this the measurement sequence has to be switched from contin uous to single The device is then switched to the ready mode which m...

Страница 27: ...ays started in the same configuration as it was when switched off Additionally the actual set up can be stored by pressing the button save actual set ting in any menu except the set up menu All set up...

Страница 28: ...row on the right hand side For long series of measurements we recommend that you localise the arrow using the search function Example for a spectral measurement Time Frequency Real part in m Imaginary...

Страница 29: ...deleting the entire file If you only delete the contents you will also lose control information 6 2 Data export via csv files Other than the log files the csv files are only created on demand There ar...

Страница 30: ...rer window will open Select the BIM_Update_xxxx hex file and open it The check sum of the update file will be shown for your information You can close this by clicking OK A win dow will then appear fo...

Страница 31: ...ning of the SubD9 connector is as follows Pin RS232 RS422 1 nc out TxD 2 out TX out TxD 3 in RX in RxD 4 nc in RxD 5 Gnd Signal Gnd Signal 6 nc nc 7 Uin Power Uin Power 8 nc nc 9 Gnd Power Gnd Power T...

Страница 32: ...ccuracy 0 1 o D 0 06 o R Input resistance 50 k Temperature measurement Range 0 C 60 C Using an attachable PT1000 Resolution 0 1 C Accuracy 1 C External sensor 1000 at 0 C Current measurement via exter...

Страница 33: ...C0 5 2 G 2 5 Voltage range 0 32V 24V nominal Polarity protection up to 32V reset to pro tect against short circuiting Load current 50mA e g to control relays Function Window comparator for voltage Upp...

Страница 34: ...ensitive measurements you should also try to minimise interference connec tions e g 50Hz mains voltage in the voltage measurement conductors It is there fore sensible to keep the area enclosed between...

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