ment works. Do not operate the machine if the emergency stopping
switch is not working.
● Prevent unintended start-up. Isolate the drive power connection by
means of OFF switches / OFF buttons or use a safe starting lockout.
● Make sure that the drives are brought to safe standstill before accessing
or entering the danger zone.
● Disconnect electrical power to the components of the electric drive and
control system using the master switch and secure them from reconnec‐
tion ("lock out") for:
– Maintenance and repair work
– Cleaning of equipment
– Long periods of discontinued equipment use
● Prevent the operation of high-frequency, remote control and radio equip‐
ment near components of the electric drive and control system and their
supply leads. If the use of these devices cannot be avoided, check the
machine or installation, at initial commissioning of the electric drive and
control system, for possible malfunctions when operating such high-fre‐
quency, remote control and radio equipment in its possible positions of
normal use. It might possibly be necessary to perform a special electro‐
magnetic compatibility (EMC) test.
2.4.4 Protection Against Magnetic and Electromagnetic Fields During Oper‐
ation and Mounting
Magnetic and electromagnetic fields generated by current-carrying conduc‐
tors or permanent magnets of electric motors represent a serious danger to
persons with heart pacemakers, metal implants and hearing aids.
Health hazard for persons with heart pacemakers, metal implants and hear‐
ing aids in proximity to electric components!
● Persons with heart pacemakers and metal implants are not allowed to
enter the following areas:
– Areas in which components of the electric drive and control sys‐
tems 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 so greatly 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.
2.4.5 Protection against contact with hot parts
Hot surfaces of components of the electric drive and control system. Risk of
burns!
● 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.
DOK-RCON02-FV*********-IB08-EN-P Bosch Rexroth AG 31/259
Rexroth Frequency Converter Fv
Safety Instructions for Electric Drives and Controls
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