V0208, 2.42
3.2. List of I/O signals
Digital input signals
Digital output signals
Code Name Description
UDPIN UDP input Input to indicate blade is in the mechanical Upper
Dead Point.
MR Machine Ready Signal that indicates the machine is ready.
When it is low, the control cannot be started and
digital outputs and pressure outputs are disabled.
When it is high, the control can be started and the
Hours counter (parameter 91) keeps track of the
time.
ST Step input Input to change step
PEDAL Start cut Input for external signal to start cut
BR Blade Return Independent input to move the cutting blade up,
typically used for pushbutton
R Retract Retract request signal.
The Retract signal is only accepted during part of a
cutting cycle. Please see the timing diagram to
check the supported interval, as indicated by
‘RetractEnable’.
EXS External Start Input to start the control
X_RES Reset X Reset X position to 0 (support decoiling)
KEY Program enable Signal to block or enable programming on the
control.
RFC Reference
correction
Input signal for position correction. If high, the
current position value is copied from the currently
programmed position.
G2_ST Start Second gap Start input for second gap.
G1_ST Start first gap Start input for first gap.
A_ST Start Angle Start input for angle.
X_ST Start backgauge Start input for backgauge.
RSD Reference Search
Direction input
Input for reference switch for X-axis.
Code Name Description
UDP Upper Dead Point Upper Dead point has been reached.
RDY Ready Ready signal, to indicate that the control has
finished positioning. In case of a shear system, this
signal becomes high when the axis is in position
and the Gap and Angle are set correctly.
The RDY signal will remain high during retract.
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