Safety instructions
Residual hazards
2
16
BA33.0001 EN 2.0
Disposal
Recycle metal and plastic materials. Ensure professional disposal of assembled PCBs.
The product-specific safety and application notes given in these Instructions must be
observed!
2.3 Residual hazards
Protection of persons
ƒ
The motor surfaces can become very hot. Danger of burns when touching!
– If necessary, provide protection against contact.
ƒ
If the motor is inverter driven, high-frequency voltages may be capacitively
transferred to the motor housing.
– Ensure careful earthing of motor housing.
ƒ
Danger through unintended starts or electric shocks
– Connections must only be made when the equipment is deenergised and the
motor is at standstill.
– Built-in brakes are not fail-safe brakes .
Device protection
ƒ
Integrated temperature sensors do not provide full protection for the machine.
– If necessary, limit the maximum current, perform a function block interconnection
with disconnection after a few seconds of operation with I > I
N
,particularlyifa
danger of blocking exists.
– Integrated over load protection does not protect against overloading under all
conditions.
ƒ
Built-in brakes are not fail-safe brakes .
– Torque can be reduced.
ƒ
Fuses do not protect the motor.
– Use current-dependent motor protection switches for average switching
frequency.
– Use integrated temperature sensor for high switching frequency.
ƒ
Excessive torques may lead to demagnetisation or a breakage of the motor shaft.
– Never exceed the maximum torques specified in the catalogue.
ƒ
Shear forces from the motor shaft are possible.
– Shafts of motor and drive machine must be e xactly aligned.
Fire protection
ƒ
Danger of fire
– Avoid contact with inflammable substances.