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EXPLANATION OF SYMBOLS
Please take note of the following explanations of the symbols used in order to achieve the optimum
benefit from this manual and to ensure safety during operation of the equipment.
The following symbol draws your attention to a circumstance where non observation of the warning
could lead to inconvenience or impairment in the performance.
Example:
This connection must not be confused with the Equipment under Test (EUT)
power input.
The following symbol draws your attention to a circumstance where non observation of the warning
could lead to component damage or danger to the operating personnel.
Example:
Never connect or disconnect the EUT while the test system is performing a test.
1.1 General description
The NSG 3150 test system enables cable-borne EMC (electromagnetic compatibility)
immunity tests to be carried out on electrical equipment intended for household, office, light
industrial or commercial use. The test system is a concept from Teseq AG for
electromagnetic immunity testing purposes and fulfills the requirements to accomplish CE
marking.
It is an open system, built on a modular principle that communicates through a serial and
standardized bus system and has open interfaces available. Operation is performed by
means of standardized operator interfaces.
A master controller in the NSG 3150
system architecture takes care of all the “real-time”
control functions and communicates with all the function modules both within the instrument’s
casing and external devices via an interbus link.
The system has a simple construction. All function units contain a slave controller. All these
units are connected together through their slave controllers and networked with the central
master controller via a field bus (Interbus). Information concerning the special features and
their adjustable parameters are stored directly in the function modules. In addition to this bus
system, the NSG 3150 system also has a further interface standard, Ethernet, with which the
system can be controlled via single PC, a computer network or even via the Internet.
This modularity enables the function units to be re-combined in ever newer instruments and
subsystems. The function units can be readily expanded to cope with new standards and
new function units for new parameters can be incorporated in existing systems.
To ensure optimal user and equipment safety, only industry-standard and correctly specified
plugs and sockets are used throughout. High voltage outputs are switch-protected.