WARNING
Substitution of components may impair suitability for Division 2.
WARNING
Do not remove or replace while circuit is live when a flammable or combustible atmosphere is
present.
WARNING
Explosion hazard
Do not disconnect equipment when a flammable or combustible atmosphere is present.
WARNING
EXPLOSION HAZARD
The device is designed for operation in closed housing or control cabinet. The inner service
temperature of the enclosure/control cabinet corresponds to the ambient temperature of the
module. Use cables with a maximum permitted operating temperature of at least 20 °C higher
than the maximum ambient temperature.
5.3 Installation guideline
When assembling the SIMATIC components together with the electronic weighing system
described here, the setup, installation and wiring guidelines for the SIMATIC ET 200SP must
be observed (see system manual "SIMATIC ET 200SP, ET 200SP distributed I/O system",
order no.: A5E03576848).
This manual describes additional installation and wiring aspects specific to the electronic
weighing system.
5.4 EMC-compliant setup
5.4.1 Introduction
The electronic weighing system described here was developed for use in industrial
environments and complies with high EMC requirements. It ensures safe operation even in
harsh environmental conditions. 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.
Mounting
5.4 EMC-compliant setup
SIWAREX WP321
22 Operating Instructions, 08/2019, A5E33715669A-AD
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