EN 50561-1
ISN 50561-1
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ISN 50561-1 is an impedance stabilization network (ISN) for measurements of asymmetrical disturbance voltage of power line communication equipment.
This ISN is built according to the standard EN 50561-1:2012, Annex B, Figure B.1.
Overview PLC Measurement-System EN 50561-1
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AC - Separator
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The AC separators provide connectivity between the LISNs and the device under test (DuT) respectively the auxiliary equipment (AE) as well as the connection to the measurement setup.
Two of the R/C elements required by the standard EN 50561-1 are already built in (1 M || 100 nF). Two identical AC separators are required for the measurement setup.
Overview PLC Measurement-System EN 50561-1
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CU 50561-1
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The coupling unit CU 50561-1 belongs to the equipment for measurements at powerline transmission devices. The specifications for the measurements at PLC devices are included within the standard EN-50561-1.
Combined with two line impedance stabilization networks (LISN) the coupling unit provides a coupling system which guarantees defined conditions for the measurement.
Overview PLC Measurement-System EN 50561-1
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SY 9223-50561-1
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SY 9223-50561-1 is a symmetrical transformer which provides impedance transformation and a specified insertion loss. It transforms an unsymmetrical 50 Ω signal into a symmetrical signal with an impedance of 100 Ω and attenuates the power by 8 dB.
It belongs to a measurement setup according to EN 50561-1:2012, chapter 9.2. Figure 4 shows the setup, figure 5 shows the principle diagram.
Overview PLC Measurement-System EN 50561-1
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SYMAT 40
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SYMAT 40 is a symmetrical 100 Ω step attenuator. It is switchable between 0 dB, 10 dB, 20 dB, 30 dB, 40 dB and 50 dB.
It’s purpose is to gather properties of the dynamic performance control of PLC/PLT devices. The measurement setup is described in the standard EN 50561-1:2012 chapter 9.2. Figure 4 shows the setup.
Overview PLC Measurement-System EN 50561-1
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SPLIT 100
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SPLIT 100 is a resistive, symmetrical two port splitter with an impedance of 100 Ω.
It is part of the measurement setup according to EN 50561-1:2012 which is explained in chapter 9.2. Figure 4 shows the measurement setup.
Overview PLC Measurement-System EN 50561-1
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CS - 50
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CS-50 is a resistive, unsymmetrical two way splitter with an impedance of 50 Ω It is part of the measurement setup according to EN 50561-1:2012 which is explained in chapter 9.2.
Overview PLC Measurement-System EN 50561-1
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