NSD NCV-20NBNVP Specifications & Instruction Manual
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Contents
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5-3. CE MarkingNCV-20 series conforms to CE Marking (EMC directive), but stands outside scope of the low voltage directivebecause it is 24 VDC power apparatus.5-3-1. EMC DirectivesIt is necessary to do CE marking in the customer’s responsibility in the state of a final product.Confirm EMC compliance of the machine and the entire device by customer because EMC changesconfiguration of the control panel, wiring, and layout.5-3-2. EMC Directive and StandardsEMC Directive consists of immunity and emission items.It conforms to Table 01(see below) of EMC standards and Testing.Table 01 EMC Standard and TestingClass Standard No. NameEN61000-6-4 EMC common emission standard(Industrial environments)EMI(Emission)EN55011 Class A Limits and methods of measurement ofelectromagnetic disturbance characteristicsof industrial, scientific, and medicalequipment (ISM).EN61000-6-2 EMC common immunity standard(Industrial Environments)EN61000-4-2 Electro-static discharge testEN61000-4-3 Radiated electromagnetic radio frequencytestEN61000-4-4 First transient / burst testEN61000-4-5 Surge immunity testEN61000-4-6 Conducted susceptibility testEMS(Immunity)EN61000-4-8 Power frequency magnetic field test5-3-3. Measures for EMC ComplianceThe power supply cable must be under 10m from 24 VDC power supply to the converter.The I / O cable must be under 10m from the host controller to the converter. The wiring should be surelysecured.[Reference]It may be improved when clamp ferrite core is added to the power supply cable, sensor cable,and I/O cable when it operates faultily by the influence from the peripheral device.Recommendation Clamp Ferrite CoreMounting location Clamp ferrite core model ManufacturerPower supply cable, sensor cable ZCAT2032-0930(Inner dimensions: 9) TDKI / O cable ZCAT3035-1330(Inner dimensions: 13) TDK15 |
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