3 Commissioning
3.2 Wiring in accordance with EMC requirements
31 XN300 slice modules 02/24 MN050002EN Eaton.com
3.2 Wiring in accordance with EMC requirements
Undesired faults can occur on the field bus and the analog inputs due to
electromagnetic interference. This can be minimized beforehand by the
implementation of suitable EMC measures. These include:
• EMC-conformant system configuration,
• Routing all analog input and field bus cables in a way that meets EMC
requirements
• Measures designed to reduce potential differences
• The correct installation of the field bus system
(cable, connection of the bus connectors, etc.),
• Using shielding
Figure 15: Field bus shielded by using a shield
XN300 slice modules feature a functional earth connection point at the back.
Figure 16: XN300 slice module side view
a Functional earth
3.3 LED indicators
Status LEDs are used to indicate the status of all XN300 slice modules.
These LEDs have various colors in order to make it possible to easily deter-
mine which function they represent:
• Green: input
• Yellow: output
• Red: fault
for DIN-rail
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