Siemens Simatic S7-400 - Manual (Page 39)

General Technical Specifications
1-11
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Emission of Radio Interference
Interference emission of electromagnetic fields in accordance with EN 55011: Limit
value class A, Group 1.
Table 1-6 Interference emission of electromagnet fields
Frequency Range Limit Value
From 20 to 230 MHz 30 dB ( m V/m)Q
From 230 to 1000 MHz 37 dB ( m V/m)Q
Measured at a distance of 30 m (98.4 ft.)
Emitted interference via the mains AC power supply in accordance with EN 55011:
Limit value class A, group 1.
Table 1-7 Interference emission via the mains AC power supply
Frequency Range Limit Value
From 0.15 to 0.5 MHz 79 dB (
m
V)Q
66 dB ( m V)M
From 0.5 to 5 MHz 73 dB (
m
V)Q
60 dB ( m V)M
From 5 to 30 MHz 73 dB ( m V)Q
60 dB ( m V)M
System Perturbation
The products listed in the table below fulfill the requirements of the following
standards for system perturbation:
Harmonic currents: EN 61000-3-2
Voltage fluctuations and flickering EN 61000-3-3
Table 1-8 Power Supply Modules that Comply with System Perturbation
Standards
Name Order Number
PS 407 4 A Power Supply Module 6ES7407-0DA01-0AA0
PS 407 10 A Power Supply Module 6ES7407-0KA01-0AA0
PS 407R 10 A Redundant Power Supply Module 6ES7422-0KR00-0AA0
PS 407 20 A Power Supply Module 6ES7407-0RA01-0AA0