Siemens S7-400PLC Dokumentacja Pobierz pdf (Strona 30)

100

101

General specifications

1.2 Electromagnetic compatibility

S7-400 Automation System Module Data

30 Reference Manual, Edition 09/2009, A5E00850736-06

Sinusoidal interference

The table below shows the EMC behavior of the S7-400 modules with regard to sinusoidal

interference.

Table 1- 4 Sinusoidal interference

Sinusoidal interference Test values Degree of

severity

HF irradiation (electromagnetic fields)

in accordance with IEC 61000-4-3

80 MHz to 1 GHz and 1.4 GHz to 2 GHz

10 V/m with 80 % amplitude modulation

at 1 kHz

In the ranges 87 MHz

to 108 MHz, 174 MHz to 230 MHz

and 470 MHz to 790 MHz: 3 V/m

2 GHz through 2,7 GHz

1 V/m with 80 % amplitude modulation

at 1 kHz

HF conductance on cables and cable

shields in accordance with IEC 61000-4-6

Test voltage 10 V, with 80% amplitude

modulation of 1 kHz in the 10 MHz to 80

MHz range

Emission of radio interference

Interference emission of electromagnetic fields in accordance with EN 55011: Limit value

class A, Group 1.

Table 1- 5 Interference emission of electromagnetic fields

Frequency band Limit

20 MHz to 230 MHz 30 dB (µV/m)Q

230 MHz to 1000 MHz 37 dB (µV/m)Q

Measured at a distance of 30 m

Emitted interference via the mains AC power supply in accordance with EN 55011: Limit

value class A, Group 1.

Table 1- 6 Interference emission via the mains AC power supply

Frequency band Limit

0.15 MHz to 0.5 MHz 79 dB (µV)Q

66 dB (µV)M

0.5 MHz to 5 MHz 73 dB (µV)Q

60 dB (µV)M

5 MHz to 30 MHz 73 dB (µV)Q

60 dB (µV)M

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 485 486

Komentarze do niniejszej Instrukcji

Brak uwag

Siemens S7-400PLC Dokumentacja Strona 30

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Pomiary, testowanie i kontrola Siemens S7-400PLC