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Application Note No. 9260-001
Power and Signal Line Interruptions
for Automotive Tests
Electronic Switch TOE 9260
9260E-AN001_Rev00.doc
R
TOELLNER ELECTRONIC INSTRUMENTE GMBH
Gahlenfeldstrasse 31, 58313 Herdecke, Germany
+49 (0) 23 30 - 97 91 91 • Fax +49 (0) 23 30 - 97 91 97
E-Mail: info@toellner.de • Web:
www.toellner.de
Subject to technical changes
TOELLNER Electronic Instrumente GmbH
09.10.2014
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Summary of Contents for TOELLNER TOE 9260 Series
- Page 1 Power and Signal Line Interruptions for Automotive Tests Electronic Switch TOE 9260 9260E-AN001_Rev00.doc TOELLNER ELECTRONIC INSTRUMENTE GMBH Gahlenfeldstrasse 31, 58313 Herdecke, Germany +49 (0) 23 30 - 97 91 91 • Fax +49 (0) 23 30 - 97 91 97 E-Mail: info@toellner.de • Web: www.toellner.de...
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Page 2: Table Of Contents
E-13, interruption of signal pins ‒ reference measurements..........7 2.3.3 E-13, interruption of ground pins ..................8 2.3.4 E-13, interruption of ground pins ‒ reference measurements ..........8 Tests according to standard LV 148 ..............10 LV 148, E48-09, Short interruptions ..................10 TOELLNER Electronic Instrumente GmbH... -
Page 3: Introduction
• PC as control device for the function generator or DAQ-card to generate the pulse sequences especially for the tests LV 124 E-10 resp. LV 148 E48-09 • Oscilloscope or fast data logger for evaluation of the measurement results TOELLNER Electronic Instrumente GmbH... - Page 4 The use of the following reference resistor kits is recommended: Item No. Item name TOE 9260/100 Reference Resistor Kit 1 Ω, 100 Ω, and 1 kΩ for power switch TOE 9260/104 Reference Resistor 1 Ω / 1 kΩ for signal line switches TOELLNER Electronic Instrumente GmbH...
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Page 5: Tests According To Standard Lv 124
• If the DUT has to be connected by a wiring harness or if a wiring harness is part of the DUT, the said remarks are valid for the cables from the OUT sockets of the TOE 9260 to the start point of the wiring harness. TOELLNER Electronic Instrumente GmbH... -
Page 6: E-10, Short Interruptions - Reference Measurements
Only one pin has to be interrupted at one time. The test is then sequentially carried out for every signal pin of the DUT. Fig. 2: Test assembly for LV 124, E-13; interruption of a signal pin TOELLNER Electronic Instrumente GmbH... -
Page 7: E-13, Interruption Of Signal Pins - Reference Measurements
If the DUT is tested with two paralleled signal line switches ( 2.3.1), the reference measurements have to be carried out with the same configuration of paralleled switches. The test voltage for the 1 Ω reference resistor may be increased up to 2 V. TOELLNER Electronic Instrumente GmbH... -
Page 8: E-13, Interruption Of Ground Pins
Otherwise a capacity appears across the signal line switch, and the switching timing is slowed down, especially at small load currents as in case of the 1 kΩ reference resistor. TOELLNER Electronic Instrumente GmbH... - Page 9 If the DUT is tested with two paralleled signal line switches ( 2.3.3), the reference measurements have to be carried out with the same configuration of paralleled switches. The test voltage for the 1 Ω reference resistor may be increased up to 2 V. TOELLNER Electronic Instrumente GmbH...
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Page 10: Tests According To Standard Lv 148
• If the DUT has to be connected by a wiring harness or if a wiring harness is part of the DUT, the said remarks are valid for the cables from the OUT sockets of the TOE 9260 to the start point of the wiring harness. TOELLNER Electronic Instrumente GmbH...
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