Technical data

Technical data
6.1 General technical data
RS 485 Repeater
Manual, 02/2011, A5E03382072-01
29
Use in residential areas
Note
The S7-300 is designed for use in industrial areas; using it in residential areas could disturb
radio and TV reception.
To operate an S7-300 in a residential area, it's RF emission must comply with Limit Value
Class B to EN 55011.
Suitable measures for achieving the required Class B radio interference level include, for
example:
● S7-300 installation in grounded switch cabinets / cubicles
● Use of noise filters in the supply lines