Technical Specifications; Emc Requirements - Siemens SIMATIC Panel PC 677 Operating Instructions Manual

Technical specifications

9.1

EMC requirements

9.1
EMC requirements
Radio frequency interference
Immunity level against very steep impulses: Bursts
•
Interference immunity on power lines
•
Interference immunity on data and signal lines <30
•
m
Immunity in data/signal lines >30 m process data
•
lines
Immunity to surges: Surge
Immunity to discharges of static electricity ESD
Interference immunity against radiated, radio-
frequency, electromagnetic field
HF radiation in lines and shielded lines
Interference immunity against magnetic fields
SIMATIC PC Panel PC 677/877, Control Unit
Operating Instructions, Edition 04/2005, A5E00407724-01
Standards
EN 61000-6-4
EN 61000-6-2
EN 55011 Class A, Group 1
EN 61000-4-4 DC 24 V; 2.0 kV,
interference criterion B
1.0 kV, interference criterion B
2.0 kV, interference criterion B
EN 61000-4-5 At DC 24-500 V
1 kV symmetrical
2 kV unsymmetrical with intermediate unit
Dehnrail 24 FML, order number: 901 104
EN 61000-4-2 8 kV with air discharge
6 kV on contact, direct/indirect
Interference criterion B
EN 61000-4-3 80-1000 MHz: 10 V/m
EN 61000-4-3 Modulation: 80% AM with 1 kHz, interference
criterion A
900 MHz, ±5 MHz, 10 V/m test duration
1 Minute
Pulse modulation: 50% sensor proportion 50%
with
200 Hz, interference criterion A
EN 61000-4-6 At DC 24 V
on signal lines and data lines
150 kHz to 80 MHz: 10 V/m
Modulation: 80% AM with 1 kHz, interference
criterion A
IEC 61000-4-8 50/60 Hz, 30 A/m effective value
9
9-1