Protection Against Magnetic And Electromagnetic Fields During Operation And Mounting; Protection Against Contact With Hot Parts - Bosch rexroth NYCe 4000 Hardware Manual
Multi-axis motion control system
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Safety Instructions for Electric Drives and Controls
2.4.4
Protection against Magnetic and Electromagnetic Fields during Oper‐
ation and Mounting
2.4.5
Protection against Contact with Hot Parts
Bosch Rexroth AG R911337671_Edition 18
NYCe 4000 Multi-axis motion control system Hardware Sys‐
Magnetic
and
electromagnetic
conductors or permanent magnets of electric motors represent a serious
danger to persons with heart pacemakers, metal implants and hearing aids.
WARNING
●
Persons with heart pacemakers and metal implants are not allowed to
enter the following areas:
–
Areas in which components of the drive and control systems are
mounted, commissioned and operated.
–
Areas in which parts of motors with permanent magnets are stored,
repaired or mounted.
●
If it is necessary for somebody with a heart pacemaker to enter such an
area, a doctor must be consulted prior to doing so. The noise immunity
of implanted heart pacemakers differs greatly so that no general rules
can be given.
●
Those with metal implants or metal pieces, as well as with hearing aids,
must consult a doctor before they enter the areas described above.
CAUTION
●
Do not touch hot surfaces of, for example, braking resistors, heat sinks,
supply units and drive controllers, motors, windings and laminated
cores!
●
According to the operating conditions, temperatures of the surfaces can
be higher than 60 °C (140 °F) during or after operation.
●
Before touching motors after having switched them off, let them cool
down for a sufficiently long time. Cooling down can require up to 140
minutes! The time required for cooling down is approximately five times
the thermal time constant specified in the technical data.
●
After switching chokes, supply units and drive controllers off, wait 15
minutes to allow them to cool down before touching them.
●
Wear safety gloves or do not work at hot surfaces.
●
For certain applications and according to the respective safety
regulations, the manufacturer of the machine or installation has to take
measures to avoid injuries caused by burns in the end application.
These measures can be, for example: Warnings at the machine or
installation, guards (shieldings or barriers) or safety instructions in the
application documentation.
fields
generated
by
Health
hazard
for
persons
pacemakers, metal implants and hearing aids
in proximity to electric components!
Hot surfaces of components of the drive and
control system. Risk of burns!
tem Manual
current-carrying
with
heart
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