Beckhoff EL3773, Документация

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Mounting and wiring
EL3773 29 Version: 2.5
5 Mounting and wiring
5.1 Instructions for ESD protection
Attention
Destruction of the devices by electrostatic discharge possible!
The devices contain components at risk from electrostatic discharge caused by improper
handling.
ü Please ensure you are electrostatically discharged and avoid touching the contacts of
the device directly.
a) Avoid contact with highly insulating materials (synthetic fibers, plastic film etc.).
b) Surroundings (working place, packaging and personnel) should by grounded probably,
when handling with the devices.
c) Each assembly must be terminated at the right hand end with an EL9011 bus end cap,
to ensure the protection class and ESD protection.
Fig. 18: Spring contacts of the Beckhoff I/O components
5.2 Installation on mounting rails
WARNING
Risk of electric shock and damage of device!
Bring the bus terminal system into a safe, powered down state before starting installation,
disassembly or wiring of the Bus Terminals!