Siemens SIMATIC HMI Operating Instructions Manual

Also see for SIMATIC HMI: Manual Operating instructions Operating instructions Quick install guide Operating instructions

Contents

Safety Instructions and General Notes2.4 Electromagnetic compatibilityIndustrial USB Hub 476 Operating Instructions, 09/2007, A5E00471973-02Pulse-shaped InterferenceThe table below shows the electromagnetic compatibility of modules in relation to pulse-shaped interference. This requires the device to meet the specifications and directives forelectrical installation.Pulse-shapedinterferenceTested with Corresponds to testintensityElectrostatic dischargeaccording toIEC 61000-4-2Air discharge: 8 kVContact discharge: 6 kV3Burst pulses(high-speed transientinterference)according toIEC 61000-4-42 kV power supply cable2 kV signal cable, > 30 m1 kV signal cable, < 30 m3High-power surge pulses according to IEC 61000-4-5, external protective circuit required (refer to S7300 PLC, Installation, chapter "Lightning and Overvoltage Protection").Asymmetric coupling 2 kV power cableDC voltage with protective elements2 kV signal/data cable, > 30 m,with protective elements as required3Symmetric coupling 1 kV power cableDC voltage with protective elements1 kV signal cable, > 30 m,with protective elements as required3Sinusoidal interferenceThe table below shows the EMC properties of the modules with respect to sinusoidalinterference. This requires the device to meet the specifications and directives for electricalinstallation.Sinusoidal interference Test values Corresponds totest intensityHF radiation(electromagnetic fields)according toIEC 61000-4-3• 80% amplitude modulation at 1 kHzwith 10 V/m in the range of 80 MHz to 1 GHzwith 3 V/m in the range 1.4 GHz to 2 GHzwith 1 V/m the range 2 GHz to 2.7 GHz• 10 V/m with 50 % pulse modulation at 900 MHz10 V/m with 50 % pulse modulation at 1.89 GHz3RF interference currenton cables and cableshielding conforming toIEC 61000-4-6Test voltage 10 V at 80% amplitude modulation of1 kHz in the range from 9 kHz to 80 MHz3