![Beckhoff KL9020 Documentation Download Page 14](http://html1.mh-extra.com/html/beckhoff/kl9020/kl9020_documentation_2719271014.webp)
Fitting and wiring
KL9020, KL9050
14
Version: 2.1.0
3
Fitting 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 a KL9010 bus end terminal, to ensure the
protection class and ESD protection.
Fig. 5: Spring contacts of the Beckhoff I/O components
3.2
Structure of a K-bus extension
DANGER
Risk of injury through electric shock and damage to the device!
Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or
wiring of the Bus Terminals!