Renishaw NC1 Programming Manual page 55

R25=y y= Radial step-over for length setting.
This is the offset across the beam at which length
measurement takes place. The value must be less than
the radius of the tool. The tool always comes down first
on the beam centre-line.
Default value: On-centre
R26=z z= Measuring height of tool.
This is the Z-axis position from the end face of the tool
at which measurement takes place.
Default value: 5.0 mm (0.197 in)
Outputs
The following outputs are set or updated when this cycle is executed:
Set tool length
Set tool radius/diameter
RENC[48] Out of tolerance flag. This is set when the measured
tool length is out of tolerance, provided the R11=h input
is used.
(1 = Out of tolerance, 0 = In tolerance)
Alarms
The following alarms may be generated when this cycle is executed.
FORMAT ERROR
OUT OF TOLERANCE
RPM OUT OF RANGE
Tool length and radius setting
53