SIWAREX WP241
Manual, 04/2014, A5E33713528A
21
When installing the SIMATIC components together with the electronic weighing system
described here, the setup, installation and wiring guidelines for the SIMATIC S7-1200 must
be observed (see system manual "SIMATIC S7 S7-1200 automation system", order no.:
A5E02486681).
This manual describes additional installation and wiring aspects specific to the electronic
weighing system.
EMC-compliant setup
5.2.1
The electronic weighing system described here was developed for use in industrial
environments and complies with high EMC requirements. Nevertheless, you should still carry
out EMC planning before installing your devices in order to determine any sources of
interference and include them in your considerations.
EMC (electromagnetic compatibility) describes the capability of electrical equipment to
operate without errors in a given electromagnetic environment, without being subject to
external influence and without influencing external devices in any way.
Possible effects of interference
Electromagnetic interferences can influence the electronic weighing system described here
in various ways:
● Electromagnetic fields having a direct influence on the system
● Interferences transported by communication cables
● Interferences having an effect via process cables
● Interferences entering the system via the power supply and/or protective ground
Interferences can impair the fault-free functioning of the electronic weighing system.
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