July 2013 3.41 Handwheel input 403
Prerequisites for
use of the wireless
handwheel system
The following conditions must be taken into account for the operation of a
wireless handwheel system:
The HR 550FS wireless handwheel system with the HRA 551FS is currently
only available in combination with the iTNC 530 control.
The iTNC 530 requires NC software version 34049x-06 or 60642x-01, or
higher.
The use of radio equipment in the 2.4 GHz range must be generally
permitted at the intended place of use (end user's site).
Country-specific and customer-specific requirements and regulations for
radio equipment at the intended place of use of the wireless handwheel
system must be taken into account.
At the intended place of use, every wireless handwheel system from
HEIDENHAIN needs a suitable and vacant radio channel in the 2.4 GHz ISM
band. If this cannot be guaranteed, we advise against using the wireless
handwheel system (see "Important notes on the radio network of the
wireless handwheel system" on page 404 and see "Checking the radio
environment at the intended place of use" on page 405).
If several wireless handwheel systems from HEIDENHAIN are to be used
within a certain range, a vacant channel must be selected for each individual
wireless handwheel system.
If there are not enough vacant radio channels available for the wireless
handwheel systems and identical channel numbers have to be used for the
wireless handwheel systems because of other ISM band participants, a
minimum distance of 200 m must be maintained between the HRA 551FS
base stations. In addition, the transmitting and receiving power of the
wireless handwheel system can be reduced during commissioning. Three
power stages are available for this. They are set using the wireless
handwheel configuration dialog on the control.
Ideally, "coexistence planning" for all ISM band participants is available for the
intended place of use of the wireless handwheel system. The coexistence
planning includes all radio participants and the radio channel or radio range
they are using. This planning can be used to determine whether a vacant radio
channel is available for the wireless handwheel, and therefore whether a
wireless handwheel system can be used.
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