Renishaw NC1 Programming Manual page 18

Setting-data subroutine
n
Default: 2
RENC[23] Axis used for length measurement, i.e. the spindle axis.
n
n
n
Default: 3
NOTE: RENC[23] must always define the spindle axis
and the direction in which the tool offset is applied. If
the spindle is in the negative direction, the value
entered must also be negative (–1 = –X axis, –2 = –Y
axis, –3 = –Z axis).
RENC[24] Scatter tolerance value.
For a description of this feature, see the figure in
"Scatter tolerance checking" on page 23.
Default: 0.010 mm (0.0004 in)
RENC[25] Tolerance value for tool runout or cutting edge.
Default: 0.025 mm (0.001 in)
RENC[26] Sample size for scatter.
The number of measurement samples to be taken.
The number of retry attempts is twice this value.
16
If the Z-axis is to be used for radial measurement,
select 3.
If the X-axis is to be used for length measurement,
select 1.
If the Y-axis is to be used for length measurement,
select 2.
If the Z-axis is to be used for length measurement,
select 3.