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9200-14

REV. E

11 September 2002

BEN 5000

DFR Calibration

Primary Training

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Summary of Contents for BEN 5000

Page 1: ...9200 14 REV E 11 September 2002 BEN 5000 DFR Calibration Primary Training...

Page 2: ...TE 100 TORRANCE CA 90505 TEL 310 373 0966 FAX 310 373 9056 Specifications and contents of this manual are subject to change COPYRIGHT 2002 LEM Instruments Inc No unauthorized reproduction or duplicati...

Page 3: ...w 10 3 2 3 Input ranges 11 3 2 4 Setting input ranges 11 3 3 CALIBRATE MENU 12 3 3 1 Selection of the channels to be calibrated 12 3 3 2 Offset calibration 13 3 3 3 Gain calibration 13 3 3 4 Notes 15...

Page 4: ...hrough the range settings calibration for each analog channel The calibration does not require the user to manually adjust potentiometers each board has electronically adjusted trimpots under the cont...

Page 5: ...rd version 623 02 12 22 software switchable RMS DC conversion SENS 623 Con necto r fo r PSU inp ut LED Connector to max three SENS 421 1 1 P5 P1 P2 P3 P4 DB 9 connec tor RS23 2 to PC for calib ra tion...

Page 6: ...lter attenuates the components of the signal whose the frequency exceeds 0 35 times the sampling frequency 2 1 3 Switchable RMS DC conversion of the analog inputs 02 12 22 option An optional RMS DC co...

Page 7: ...ONFIG menu displayed at program startup is selected 3 CALIBRATION NOTE It is implied in the following sections that the user has taken appropriate steps to isolate the DFR inputs from the field wiring...

Page 8: ...libration software takes control of the card and interrupts the dialogue with the processing unit causing a temporary error to be reported on the BEN Press ENTER to go to the main menu The main softwa...

Page 9: ...t Line states Digital inputs Analog inputs 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pol Pol Pol Pol Pol Pol State of hardware Range 11A1 11A2 11A3 11A4 11A5 11A6 11A7 11A8 2V 2V...

Page 10: ...The channel locations for the 8 analog inputs that this board is monitoring Input field for the shunt value of a current input Select the field with the arrow keys and enter the value 220V 110V 30V 12...

Page 11: ...etting input ranges To change input voltage ranges V RMS move to the RANGE column by using the vertical arrow Press the spacebar to toggle through the possible ranges Check that the input range select...

Page 12: ...el 11A3 Voltage Channel 11A4 Voltage Channel 11A5 Voltage Channel 11A6 Voltage Channel 11A7 Voltage Channel 11A8 Voltage Calibration Mode field Select the calibration mode DC mode AC 50 Hz mode or AC...

Page 13: ...ou to return to the previous level in the software 3 3 3 Gain calibration 3 3 3 1 DC mode gain calibration This mode must be carried out using DC voltages or currents The gain adjustment can be made a...

Page 14: ...This mode must be carried out using AC voltages or currents For optimum precision a sine wave generator with a frequency of 50HZ 0 1 Hz or 60 Hz 0 1 Hz must be used The program calculates the true RMS...

Page 15: ...ference source voltage or current used during calibration must be between 50 and 100 of the selected range except for high current ranges see further The low value resistor shunts for example 0 1 0 47...

Page 16: ...ge to short out the field inputs and screw it very tightly before having access to the sliding switches of the terminals the switches may then be opened to disconnect the input circuit from field wiri...

Page 17: ...connector of the card and connect it to the next card Do not use the escape key to exit the program Warning NEVER remove the RS 232 cable before exiting the program otherwise calibration data will be...

Page 18: ...easurement Digital inputs 11B1 OFF Ch Pol Value 11B2 OFF 11B3 OFF 11B4 OFF 11B5 OFF 11B6 OFF 11B7 OFF 11B8 OFF 11C1 OFF 11C2 OFF 11C3 OFF 11C4 OFF Ch Pol Value 11C5 OFF 11C6 OFF 11C7 OFF 11C8 OFF 11D1...

Page 19: ...rocess 4 Remove short circuit Offset calibration 1 Disconnect USER wires from both terminals 2 Short cut voltage inputs 3 Start offset calibration process wait end of process 4 Remove short circuit Ga...

Page 20: ...nals RTK S MTK P P 1 Open switches of both terminals TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE VOLTAGE SOURCE 2 Short cut voltage inputs BEN side TERMINALS USER SIGNAL 1...

Page 21: ...ve short circuit 5 Apply reference voltage source BEN side TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE VOLTAGE SOURCE 6 Start gain calibration process wait for end of proc...

Page 22: ...SIDE REFERENCE VOLTAGE SOURCE 4 1 2 Calibrate one voltage input without interruptible terminals SSK110 UK4 1 Disconnect USER wires from both terminals TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER...

Page 23: ...CE VOLTAGE SOURCE 3 Start offset calibration process wait for end of process 4 Remove short circuit 5 Apply reference voltage source TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFE...

Page 24: ...on Primary Training 7 Remove reference voltage source 8 Connect USER wires again to both terminals TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE VOLTAGE SOURCE Page 24 9200...

Page 25: ...bration 1 Be sure that USER current circuit may be open without danger 2 Disconnect USER wires from both terminals 3 Start offset calibration process wait end of process Gain calibration 4 Apply refer...

Page 26: ...cut signal input USER side be sure that USER current circuit will never be open TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE CURRENT SOURCE 2 Open switches of both termina...

Page 27: ...de TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE CURRENT SOURCE 5 Start gain calibration process wait end of process 6 Remove reference current source 7 Close switches of bo...

Page 28: ...Calibration Primary Training 8 Remove short circuit USER side TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE CURRENT SOURCE Page 28 9200 14 REV E...

Page 29: ...open without danger 2 Disconnect USER wires from both terminals TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE CURRENT SOURCE 3 Start offset calibration process wait end of p...

Page 30: ...t gain calibration process wait end of process 6 Remove reference current source 7 Connect USER wires again to both terminals TERMINALS USER SIGNAL 11A1 INPUT CARD 11A11 USER SIDE BEN SIDE REFERENCE C...

Page 31: ...ion controller card controls up to 8 analog channels and 24 digital channels The letter A corresponds to the terminal block of the 8 analog channels The letter B corresponds to the terminal block of t...

Page 32: ...al block corresponds to the 8 analog inputs of one 1 this acquisition controller card is connected to the input number 1 of a muldex card acquisition controller card 2 this muldex card has number 2 5...

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