Manual

Detailed Descriptions of ACL Commands 3-59
RE [<x res>, <y res>] Resolution
This command sets the number of microsteps per full step (the "microstep factors", or
resolution) for the Automove System stepping motor drivers. All physical motion in the X
and Y axes is affected, including vectors, arcs, Arrow buttons, and FH ("Find Home")
motion.
A microstep is the smallest XY physical movement possible in the Automove System. For
more information, see the section entitled "Microstep Size, Resolution, and Maximum
Travel" in Chapter 1.
Whenever an RE command actually changes the microstep factors (i.e. sets a value different
from the existing values) the System loses its Home position reference and sets the No
Reference status bit. (See the OS command.) Thus if the RE command is to be used it
should be the first command executed after power up, and should be followed by an FH
command or a manual re-reference. (The most convenient way to establish the resolution is
via personality parameters 21 and 22; see Chapter 7.)
The parameters <x res> and <y res> set the number of microsteps per full step in each axis.
They must be in the range 1.0000 through 32.0000. For example, the value 32 causes a
microstep to be one thirty-second of a full step, and the value 1 causes a microstep to be the
same size as a full step.
Table 16 - Usable Values For <xres> <yres>
1.0000 1.0323 1.0667 1.1034
1.1429 1.1852 1.2308 1.2800
1.3333 1.3913 1.4545 1.5238
1.6000 1.6842 1.7778 1.8824
2.0000 2.1333 2.2857 2.4615
2.6667 2.9091 3.2000 3.5556
4.0000 4.5714 5.3333 6.4000
8.0000 10.6667 16.0000 32.0000
Values between these are interpreted as the nearest value in the above table. Values outside
the range 1 through 32 cause an error.