Due to various potential sources of interference, a
wireless connection is not as reliable as a cable
connection. Before you use the wireless handwheel it
must therefore be checked whether there are any other
radio users in the surroundings of the machine. This
inspection for presence of radio frequencies or channels
is recommended for all industrial radio systems.
When the HR 550 is not needed, always put it in the
handwheel holder. This way you can ensure that via the
contact strip on the rear side of the wireless handwheel
the accumulators are always ready for use due to a
recharge control and there is a direct contact connection
for the emergency stop circuit.
If an error (interruption of the radio connection, poor
reception quality, defective handwheel component)
occurs, the handwheel always reacts with an emergency
stop.
Please read the notes on the configuration of the HR 550
FS wireless handwheel (see “Configuring the HR 550 FS
Wireless Handwheel” on page 656)
Caution: Danger to the operator and machine!
Due to safety reasons you must switch off the wireless
handwheel and the handwheel holder after an operating
time of 120 hours at the latest so that the TNC can run a
functional test when it is restarted!
If you use several machines with wireless handwheels in
your workshop you have to mark the handwheels and
holders that belong together so that their respective
associations are clearly identifiable (e.g. by color stickers
or numbers). The markings on the wireless handwheel
and the handwheel holder must be clearly visible to the
user!
Before every use, make sure that the correct handwheel
for your machine is active.
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