Rf Radiation According To Namur Ne21 - Siemens SIMATIC NET SCALANCE XC-300 Operating Instructions Manual

Table of Contents

Advertisement

Switching properties
Full wire speed switching
Note
The number of devices connected in a line, which are named in the scope of validity, influences
the frame delay. When a frame passes through an IE switch, it is delayed by the store-and-
forward function of the device:
• With a 64-byte frame length by about 10 microseconds (at 100 Mbps)
• With a 1500-byte frame length by about 130 microseconds (at 100 Mbps)
This means that the more devices the frame passes through, the higher the frame run time.
9.8

RF radiation according to NAMUR NE21

The devices listed in the scope of validity meet the following requirements regarding RF
radiation:
RF radiation according to IEC 61000-4-3/NAMUR NE21
80 MHz - 2.0 GHz
10 V/m
80% AM (1kHz)
SCALANCE XC-300
Operating Instructions, 10/2022, C79000-G8976-C584-01
Frame length (bytes)
64
128
256
512
1024
1280
1518
9.8 RF radiation according to NAMUR NE21
Number of frames per second
At 100 Mbps
At 1000 Mbps
148810
1488095
84459
844595
45290
452899
23496
234962
11973
119732
9615
96154
8127
81274
2.0 GHz - 2.7 GHz
3 V/m
Technical specifications
With 10 Gbps
14880952
8445946
4528986
2349664
1197318
961538
812744
87

Advertisement

Table of Contents
loading

Table of Contents