2. Safety instructions for electrical drives and controllers
Festo P.BE-CMMS-AS-HW-EN en 0708NH 17
Warning
Proceed carefully with mounting. During mounting as well as later
during drive operation, make sure that that no drill shavings, metal
dust or mounting parts (screws, nuts, pieces of wire) can fall into
the motor controller.
Ensure that the external power supply of the controller (mains volt-
age 230 V) is switched off.
The intermediate circuit or the 230 V mains voltage must always be
switched off before the 24 V logic power supply is switched off.
Warning
Other work in the vicinity of the machine must only be carried
out when the AC or DC supply is switched off and locked.
Switched-off final stage or switched-off controller enable are not
suitable locking conditions. In the event of a fault, this could lead
to unintentional movement of the drive.
Warning
Carry out commissioning with a free-running motor, in order to
avoid mechanical damage, e.g. due to incorrect direction of rota-
tion.
Warning
Electronic devices are never fail-proof.
The user is responsible for ensuring that his system is brought into
a safe state if the electric device fails.
Warning
DANGER !
The motor controller and, in particular, the brake resistance can
take on high temperatures, which can cause severe bodily burns on
contact.
2.4.3 Protection aganst touching electric components
This section concerns only devices and drive components with voltages over 50 V. It is
dangerous to touch components with voltages of more than 50 V, as this can cause an
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