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EM Test Turn Key Automotive Test System for ISO 7637 View larger

EM Test Automotive Test System for ISO 7637-2


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Input DUT supply +/- DC voltage from VDS 200N or any other DC supply; Pulse 5, 7 From one LD 200N
Output DUT supply +/- Central DUT output Coaxial output; port To connect the capacitive coupling clamp as per ISO 7637-3:2007
Electrical Fast Transients
EFT/Burst module for test pulses 3A/3B
Parameter Value
Test Voltage 25V - 1,000V ± 10%
Rise time 5ns ± 1.5ns
Pulse duration 150ns ± 45ns
UCS 200N Models Built-in coupling/decoupling networks: UCS 200N50, 80V/50A, 100A@500ms; UCS 200N100, 80V/100A, 150A@500ms; UCS 200N150, 80V/150A UCS 200N200 80V/200A
Verification As per Annex C of ISO 7637-2:2011 into 50ohm and 1,000ohm load
Source Impedance 50ohm
Polarity Positive/negative (Pulse 3b/3a)
Trigger of bursts Automatic, manual, external
Burst duration 0.1ms - 999.9ms
Repetition rate 10ms - 9,999ms
Spike frequency 0.1kHz - 200kHz
Test duration 0:01min - 999:59min
Outputs Direct Via 50ohm-coaxial connector (for tests using e.g. a capacitive coupling clamp); Coupling mode To the + battery line (supply lines); CRO trigger 5V trigger signal for oscilloscope
Test Routines Quick Start On-line adjustable parameters, easy-to-use; Standard Test routines As per ISO 7637-2:2011, Levels 1 - 4; User Test routines Random burst release Change voltage after T Change frequency after T
Micropulse module for test pulses 1, 2A and 6
Parameter Value
Test voltage 20V - 600V ± 10% (peak voltage and polarity as per selected standard)
Repetition rate 0.2s - 99.0s
ISO PULSE 1 (12V) Rise time 1us +0%/-50% (10% - 90%); Pulse duration 2ms ± 10% (10% - 10%); Int. resistor 10ohm ± 10%
ISO PULSE 1 (24V) Rise time 3us +0%/-50% (10% - 90%); Pulse duration 1ms ± 10% (10% - 10%); Int. resistor 50ohm ± 10%
ISO PULSE 2 (12V/24V) Rise time 1us +0%/-50% (10% - 90%); Pulse duration 50us ± 10% (10% - 10%); Int. resistor 2ohm ± 10%
ISO PULSE 6 (12V) AS PER ISO 7637-1:1990 Rise time 60us +0%/-50% (10% - 90%); Pulse duration 300us ± 10% (10% - 10%); Int. resistor 30ohm ± 10%
AS PER ISO 7637-2 THE FOLLOWING STANDARDS CAN BE COVERED SAE J1113, GM 3097, BMW, Volkswagen, PSA, Chrysler PF 9326, DC 10614, Renault, FIAT, Mitsubishi, Honda, Ford ES-XW7T,
Trigger automatic, manual, external, battery switch
Output DUT supply +/- Central DUT output; Coupling To the battery +line; Decoupling Via diode and battery supply switch
Test Routines Quick Start, User Defines Routines, Standards Test Routines Service
Freestyle Mode Micropulses Programmable Rise time 1us - 10us in steps of 1us; Pulse duration 50us - 10,000us; Int. resistor 2ohm - 100ohm in steps of 5ohm; 200ohm, 400ohm and 450ohm

Test Equipment Description

The EM Test Automotive Test System is a complete testing solution for automotive EMC compliance.

The rack consists of the following equipment:

Product Test Completion Description
EM Test LD 200N Load Dump Simulator ISO PULSE 5A/5B AND 7 Load Dump generator according to ISO 7637, ISO 16750-2, SAE J1113, SAE J1455, JASO, Nissan and most car manufacturer requirements
EM Test VDS 200N50


4 and 2B

The VDS 200N series is used to simulate the various battery supply waveforms recommended by international standards and by car manufacturer requirements.
EM Test UCS 200N


1, 2, 3A, 3B 

The EM Test UCS 200N50 Ultra-Compact Simulator series for Automotive Transients unifies the capabilites of an EFT/Burst simualtor, a Micropulse simulator and the required coupling network into one box.

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