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July 2013
Further constraints:
If there is only one handwheel in the HSCI system, this is the standard
handwheel.
If one of the display handwheels is active, the other handwheels are
disabled, and this is indicated by a corresponding dialog in the display.
If there is more than one display handwheel in the system, control can be
handed over only if override control is also withdrawn from this handwheel.
If there are several handwheels in the system and one of them is an HR 110,
the panel-mounted handwheel is automatically the standard handwheel.
If there is more than one handwheel without display (HR 410 and earlier
versions), this type of handwheel must be activated via the PLC program
(e.g. through evaluation of the permissive buttons). PLC Module 9036 was
expanded accordingly.
If the PLC program wants to prevent an HR 420 from withdrawing control
from an HR 410, the Marker 4680 (Disable HR 420 activation) must be set.
Software version 60642x-03 supports only one HR 550 wireless handwheel
in the system.
Note
The PLC program must ensure that only one of the operating units
(handwheels, machine operating panels) is active at any one time so as to
avoid danger to the operator.
Please note that it may be necessary for the operator to confirm which
operating unit is active before it can actually be used. The risk assessment
of your machine must show whether this is necessary. Such a requirement
could be realized, for example, by pressing the permissive button of the
respective operating unit. Then the operating unit that should be active
according to the PLC program cannot be used for any machine functions
until the permissive button of this operating unit has been pressed.
The emergency stop function of the individual operating stations must
always be active, however!
8.8 Electronic handwheel
1505
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