DMC-40x0 Command Reference PR • 191
PR
FUNCTION: Position Relative
DESCRIPTION:
The PR command sets the incremental distance and direction of the next move. The move is
referenced with respect to the current position. .
ARGUMENTS: PR n,n,n,n,n,n,n,n or PRA=n where
n is a signed integer in the range -2147483648 to 2147483647 decimal. Units are in encoder
counts
n = ? Returns the current incremental distance for the specified axis.
USAGE: DEFAULTS:
While Moving No Default Value 0
In a Program Yes Default Format Position Format
Command Line Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_PRn contains the current incremental distance for the specified axis.
RELATED COMMANDS:
PA Position Absolute
BG Begin
AC Acceleration
DC Deceleration
SP Speed
IP Increment Position
PF Position Formatting
EXAMPLES:
PR 100,200,300,400 On the next move the A-axis will go 100 counts,
BG the B-axis will go to 200 counts forward, C-axis will
go 300 counts and the D-axis will go 400 counts.
PR ?,?,? Return relative distances
:100, 200, 300
PR 500 Set the relative distance for the A axis to 500
BG The A-axis will go 500 counts on the next move while
the B-axis will go its previously set relative
distance.