AG25
Safety information English
AG25 · Date 19.07.2022 · Art. No. 87450 · Mod. status 157/22
27
Unbraked actuator
Immediate loss of torque in case of voltage breakdown, interference and
activation of the output stage/control unit supply. The actuator will not be
braked.
` Use external stopping devices (e. g. EMERGENCY-STOP holding brake).
Rotating parts
Bruising, rubbing, abrasing, seizing of extremities or clothes by touching
during operation any rotating parts as for example clamping ring, torque
support or hollow shaft.
` Prevent people from access by installing protective facilities.
Hot surfaces
Burns by temperatures >60°C on the housing during operation.
` Prevent access to the housing.
` Protect temperature-sensitive parts of equipment using guards.
Residential environment
High frequency interference in residential areas.
` This actuator is not suitable for use in a public low voltage system as
those common in housing area.
High energetic recovery
In case of high moment of inertia in the customer plant and simultane-
ous braking, the actuator may switch over to generator operation; i. e.,
mechanical energy will be converted into electrical energy and fed back
into the mains. The power supply unit must be able to absorb the develop-
ing energy to avoid destruction of other electric consumers.
` Use only power supply units with a high output capacitance
(>10.000µF) or power supply units capable of recovering energy.
` Use an appropriate brake resistor control if required.
` Check that all consumers are designed to absorb energetic recovery
voltage.
External magnetic fields
Failures and data loss occur if strong magnetic fields influence the internal
measuring system.
` Protect the actuator from impact by external magnets.
WARNING
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