·314·
Installation manual
CNC 8060
CNC 8065
6.
LOGIC CNC INPUTS AND OUTPUTS.
(REF: 1402)
General modifiable signals.
6.7 General modifiable signals.
_EMERGEN
There is a mark for each channel. The mnemonics for each channel are the following.
_EMERGENC1 (can also be programmed as _EMERGEN)
_EMERGENC2 _EMERGENC3 _EMERGENC4
If the PLC sets this mark low (=0), the CNC stops the axes and the spindle and displays the
corresponding error message. The CNC interrupts the movement of the axes leaving them
without command; the axes do not stop using a set acceleration ramp.
While the _EMERGEN mark is low (=0), the CNC does not allow executing programs and
aborts any axis or spindle movement.
_STOP
There is a mark for each channel. The mnemonics for each channel are the following.
_STOPC1 (can also be programmed as _STOP)
_STOPC2 _STOPC3 _STOPC4
If the PLC sets this mark low (=0), the CNC channel interrupts the execution of the part-
program; but it keeps the spindle turning. It is similar to pressing the [STOP] button at the
keyboard.
The movement of the independent axes is not affected by this mark. Nor is affected by the
[STOP] key of the operator panel.
To resume the execution of the program, besides setting this mark high (=1), the CYSTART
mark must also be activated. See "CYSTART" on page 315.
_XFERINH
There is a mark for each channel. The mnemonics for each channel are the following.
_XFERINHC1 (can also be programmed as _XFERINH)
_XFERINHC2 _XFERINHC3 _XFERINHC4
If the PLC sets this mark low (=0), the CNC channel interrupts the execution of the program
at the end of the block being executed and inhibits the execution of the next block. If the axis
needs more braking distance than it has with the block being executed, the CNC can continue
executing more blocks until the axis comes to a complete stop respecting the dynamics of
the machine. When this mark is set back high (=1), the CNC resumes the execution of the
program.
Having this mark (=0), the CNC does not allow jog movements for the axes of the channel;
pressing a jog key is ignored.
This mark always affects the movements of the independent axis programmed from the CNC;
the ones programmed from the PLC depend on parameter XFITOIND. If the PLC deactivates
the _XFERINH mark, the CNC channel interrupts the movements of the independent axis
when they reach position and inhibits the execution of the next movement.
The _EMERGEN, _STOP, _FEEDHOL, _XFERINH and CYSTART signals must be defined in the PLC
program.
I-EMERG AND (rest of conditions) = _EMERGEN
If the emergency-stop button is pressed (I-EMERG=0) or any other emergency
situation occurs (=0), the _EMERGEN mark is set low (=0) causing an emergency
at the CNC.
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