Instructions For Esd Protection; Installation On Mounting Rails - Beckhoff EL33-00 Series Documentation

Mounting and wiring
4.5

Instructions for ESD protection

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 di-
rectly.
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 or EL9012 bus end cap, to en-
sure the protection class and ESD protection.
Fig. 28: Spring contacts of the Beckhoff I/O components
4.6

Installation on mounting rails

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!
46
NOTE
WARNING
Version: 4.2 EL33xx-00x0