Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 415)

Letter Format Parameters
Chapter 17
17-17
The R-word letter format parameters are covered on these pages:
Parameter: Page:
R: Word Format 17-17
R: Angle Word Format 17-18
Function
This parameter specifies the maximum number of digits that are permitted
to the left and to the right of the decimal point in the R-word format. An
R-word is typically used to program a radius.
Parameter Parameter
Number
R: Word Format [488]
Range
Selection Result
(a) 3.4 inch and 4.3 metric
(b) 3.5 inch and 4.4 metric
(c) 4.3 inch and 5.2 metric
(d) 4.4 inch and 5.3 metric
(e) 5.3 inch and 6.2 metric
(f) 2.3 inch and 3.2 metric
(g) 2.4 inch and 3.3 metric
(h) 2.5 inch and 3.4 metric
(i) 2.6 inch and 3.5 metric
(j) 3.3 inch and 4.2 metric
(k) 4.2 inch and 5.1 metric
(l) 5.2 inch and 6.1 metric
Notes
This parameter is a global parameter; it applies to all axes and processes.
17.22
R Words
17.23
R: Word Format