Technical specifications   
8.4 Electromagnetic compatibility 
  SIMATIC IPC PX-39A 
86  Operating Instructions, 08/2022, A5E51699601-AA 
8.4  Electromagnetic compatibility 
See the note in "Applicability of technical specifications (Page 82)". 
 
EN 61000-6-4, CAN/CSA CISPR32 class A; KS C 9832, FCC class A 
EN 61000-6-1; EN 61000-6-2; KS C 9835 
Interference immunity on the sup-
ply cables 
± 2 kV according to IEC 61000-4-4; burst 
± 1 kV according to IEC 61000-4-5; symmetrical surge 
± 2 kV according to IEC 61000-4-5; asymmetrical surge 
Noise immunity on signal lines 
± 1 kV acc. to IEC 61000-4-4; Burst; Length < 30 m 
± 2 kV acc. to IEC 61000-4-4; Burst; Length > 30 m  
± 2 kV acc. to IEC 61000-4-5; Surge; Length > 30 m  
Immunity to electrostatic dis-
charge 
± 6 kV contact discharge in accordance with IEC 61000-4-2 
± 8 kV air discharge in accordance with IEC 61000-4-2 
Immunity to RF interference 
•  10 V/m 80 MHz – 2.7 GHz,  
80% AM to IEC 61000-4-3 
•  3 V/m 2.7 – 6 GHz,  
80% AM to IEC 61000-4-3 
•  10 V 10 KHz – 80 MHz,  
Immunity to magnetic fields 
100 A/m; 50 Hz; 60 Hz (according to IEC 61000-4-8)