Ear protection
for protection of the ears during the work. Wear the ear protection
always until the work is finished.
Ground strap
for protection of components susceptible to electrostatic discharge.
Wear the ground strap on your wrist and connect it to a suitable
equipotential bonding.
Protective glasses
for protection of the eyes during the work. Always wear the protec-
tive glasses until the work is finished.
2.6 Specific dangers
The following section lists the residual risks.
n Observe the safety instructions listed here, and the warnings in
subsequent chapters of this installation manual, to reduce
health hazards and to avoid dangerous situations.
DANGER!
Danger to life caused by electric current!
Touching conductive parts causes a direct danger to
life. Damage to insulations or individual components
can cause danger to life.
n In the event of damage to insulation, switch off the power
supply immediately and have the defective parts repaired.
n Work on the electric system must be carried out only by skilled
electricians.
n Before maintenance, cleaning or repair work, switch off the
power supply and secure it against being switched on again.
n Do not bridge fuses or make them ineffective. When changing
fuses make sure you use the correct amperage.
n Keep moisture away from conductive parts. This can cause
short-circuits.
n De-energize the machine for all work on the electrical system.
DANGER!
Uncontrolled operation due to improper installa-
tion and configuration!
The control unit's safety relay must be properly inte-
grated into the CNC machine emergency stop chain.
Improper wiring and configuration of the safety relay
may result in uncontrolled operation of the CNC
machine and in consequence may lead to irreversible
personal injuries or death.
PA 8000 EL CNC control unit
Safety
24.09.2015 | 15
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