Programming manual.
CNC 8070
22.
STATEMENTS AND INSTRUCTIONS
Programming statements
·430·
(REF: 1709)
[type] Cam type.
Depending on the execution mode, the time cams and the position cams may be of two
different types; i.e. periodic or non-periodic. This selection is made using the following
commands:
If the master axis is a rotary module and the cam definition range is that module, the two
execution modes are equivalent. Either mode maintains synchronization until the #CAM OFF
instruction is executed. When reaching that instruction, the execution of the cam will end the
next time the end of the cam profile is reached.
[type] Meaning.
ONCE Non-periodic cam.
This mode maintains the synchronization for the range defined for the master axis. If the
master axis moves backwards or if it is a module, the slave axis will keep on executing
the cam profile until the cancellation is programmed.
CONT Periodic cam.
In this mode, when reaching the end of the range of the master axis, it calculates the offset
to execute the cam again shifted in the amount of that range. In other words, identical
cams are executed along the path of the master axis.
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