LVA 4-Quadrant Amplifier 1 AUTOMOTIVE SUPPLY SIMULATION AT IT S BEST The relating standards: ISO 7637-2/-3 ISO 167-2 ISO 21848 LV 124 VDA 32 (LV 148) SAE J 1113-11 BMW GS 92 BMW GS 924-2-2 BMW GS 926 Ford FMC 1278 General Motors GMW 397 JLR-EMC-CSv1.2 Mercedes MBN LV124-1 PSA B21 711 Renault 36--88/--M VW TL 81 VW 8 VW 82148 Example: LVA 1 Front panel Extremely low harmonic distortion - even under very non-linear load conditions Very fast slew rate > 1V/µs Operates from DC up to khz large signal bandwidth (-3dB) Small signal bandwidth up to 3kHz High short-term overload characteristic (for 3s) Very high peak-load ability (up to 2ms) Programmable internal resistance 2m Sink operation mode can be disabled Touch panel operation 7 8x48 Optional overvoltage protection device OPD THE REFERENCE SOURCE FOR AUTOMOTIVE APPLICATIONS page 1 of 7 pages SPS-TD-LVA-1UN-e-2.docx
2V Range continuous current Icont: LVA1 2 1 16 12 8 4 4 8 12 16 2 24 1 2 2V Range short-time current Ishort: LVA1 4 3 2 1 16 12 8 4 4 8 12 16 2 24 1 2 page 2 of 7 pages SPS-TD-LVA-1UN-e-2.docx
36V Range continuous current Icont: LVA1 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 1 2 36V Range short-time current Ishort: LVA1 4 3 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 1 2 3 page 3 of 7 pages SPS-TD-LVA-1UN-e-2.docx
4V Range continuous current Icont: LVA1 3 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 44 48 2 6 1 2 3 4V Range short-time current Ishort: LVA1 4 3 3 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 44 48 2 6 1 2 page 4 of 7 pages SPS-TD-LVA-1UN-e-2.docx
7V Range continuous current Icont: LVA1 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 44 48 2 6 6 64 68 72 1 2 7V Range short-time current Ishort: LVA1 2 1 16 12 8 4 4 8 12 16 2 24 28 32 36 4 44 48 2 6 6 64 68 72 1 2 page of 7 pages SPS-TD-LVA-1UN-e-2.docx
TECHNICAL DATA Max. peak current capability (up to 2ms) Continuous and short-time output current capability 3Ap range depending (see diagrams) Nominal voltage ranges U1: -VDC 2VDC U2: -VDC 36VDC U3: -VDC 4VDC U4: -VDC 7VDC Digital instrument Voltage range Autoranging (2/4/8VDC Ranges) Protection circuits Interface Current range Accuracy Voltage Accuracy Current 12.A / A / A / 1A DC: 1ppm of reading / 2ppm of range value DC: 2ppm of reading / 4ppm of range value Overload / Short circuit / Overtemperature Ethernet Supply Power Supply 23V (±1%, /6Hz) Protection Connector type 1A Safety plug Housing 19 -Desktop unit, colour light grey (RAL 73) Dimensions (mm) Weight U: 222x483x7 approx. 7kg General Voltage adjustment Touch panel / Remote / External input Internal control oscillator Load regulation: nominal load max..2%, typ. <.1% Internal resistance compensation Frequency range (no load) Noise at output Slew rate Adjustable current limitation Floating output Type Wave form Amplitude resolution Frequency range Frequency resolution Frequency accuracy Memory depth Synth functions Sequence memory External floating input Digital I/O DC 1kHz (-3dB) DC khz large signal bandwidth (-3dB) DC 3kHz small signal bandwidth (1% of range, -3dB) <mvrms (<1kHz), <1mVrms (1kHz - 2MHz) SR: >1V/ s Accuracy see current measurement unit response time < 2µs Max. voltage between earth and amplifier output ground: 3Vrms 4-channel synthesizer DC, Sine, Rectangle, Triangle, DC Offset, Arbitrary 17Bit DC 1MHz 1µHz ppm 1MSample ADD, AM, FM, PM 124 steps V: ±VDC (Input resistance: 11. kω) 8 digital inputs +VDC +24VDC 8 digital outputs +VDC, IL=4mA (external VCC input: +VDC +24VDC, IL=mA) page 6 of 7 pages SPS-TD-LVA-1UN-e-2.docx
Monitoring unit 2) voltage current Max. output ±1Vp Scaling factor (adjustable).2 1.1 1 Bandwidth 3kHz 2kHz Accuracy.3% Noise of ADC measurement <2mVrms (DC 3kHz) <1.mArms (DC 3kHz) Noise DAC output <.2mVrms (DC 3kHz) Delay time <1µs Output impedance 22Ohm Isolation earth / remaining electronics / each other Protection short circuit Insulation resistance >1MOhm Withstand voltage >2VDC Ambient temperature C up to 4 C Relative Humidity (non-condensing) max. 8% for temperatures <31 C, decreasing linearly to % at 4 C System of protection IP2 LVA 1 AMPLIFIER OPTIONS OPT.1 OPT.2 OPT. NT.11.7S.1K OPT.24.1 OPT..1 OPD.1 IEEE 488 Interface RS 232 Interface (instead of IEEE 488 Interface) Output voltage and current monitor (electrically isolated) Probe ratio free adjustable Symmetrical voltage range (for magnetic field tests) V: ± 7VDC / IDC,cont:2 ADC / IDC,short: ADC Programmable internal resistance R:mΩ 2.mΩ / Accuracy: ±1% of range Constant current mode Overvoltage Protection Device The LVA is also available as LVA, LVA and LVA 7 version. Spitzenberger & Spies 218 all data are subject to change www.spitzenberger.de/weblink/17 page 7 of 7 pages SPS-TD-LVA-1UN-e-2.docx