Mounting and wiring
BK3xx018 Version: 4.3.0
3 Mounting and wiring
3.1 Instructions for ESD protection
NOTE
Destruction of the devices by electrostatic discharge possible!
The devices contain components at risk from electrostatic discharge caused by improper handling.
• Please ensure you are electrostatically discharged and avoid touching the contacts of the device directly.
• Avoid contact with highly insulating materials (synthetic fibers, plastic film etc.).
• Surroundings (working place, packaging and personnel) should by grounded probably, when handling
with the devices.
• Each assembly must be terminated at the right hand end with an EL9011 or EL9012 bus end cap, to en-
sure the protection class and ESD protection.
Fig.4: Spring contacts of the Beckhoff I/O components
3.2 Dimensions
The BeckhoffBus Terminal system is characterized by low physical volume and high modularity. When
planning a project it must be assumed that at least one Bus Coupler and a number of Bus Terminals will be
used. The dimensions of the Bus Couplers are independent of the fieldbus system.
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