• Flat connector on the rear of the diagnostics display
• Shielding of the PROFINET/PROFIBUS cable
All grounding cables must be as short as possible and have the largest possible cable cross-
section.
5.3.4 Connect 3SK25 PROFINET interface
5.3.4.1 General information about connection
WARNING
Hazardous Voltage
Can Cause Death, Serious Injury, or Property Damage.
Hazardous electrical voltages can cause electric shock, burns and damage.
• Turn o and lock out all power supplying the system and device before working on the
device.
• To ensure protection against the hazard of electric shock when the terminal cover is open,
screw in all terminal screws that are not needed to clamp conductors.
• Close the terminal covers and always keep them closed during operation.
Description of the hardware
5.3 Connecting / wiring
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 159
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