Renishaw NC1 Programming Manual page 16

Setting-data subroutine
RENC[11] Minimum length of the tool. This defines the lowest
measuring height of the spindle nose above the laser
beam.
RENC[12] Maximum diameter of the tool. This value is dependent
on the machine tool.
RENC[13] Radial-measuring axis options.
1 = measure from positive side of the beam,
–1 = measure from negative side of the beam,
2 = measure from both sides of the beam.
Default: 2
RENC[14] Radial calibration options.
1 = measure from positive side of the beam,
2 = measure from both sides of the beam.
Default: 2.
RENC[15] Hardware signal pulse time.
The time that the trigger signal is held on. This is
hardware-dependent. The value is specified when the
NC1 system is ordered.
Check the status LED sequence on power up (for
details, see "NC1 Installation Guide and Parts List ").
RENC[17] Default overtravel distance and radial clearance.
Overtravel is the distance through the beam that the
tool is permitted to move before a BEAM NOT CUT
alarm is initiated.
Radial clearance is the distance between the tool and
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–1 = measure from negative side of the beam,