DMC-1400 Series Command Reference BG ● 37
BG FUNCTION: Begin
DESCRIPTION:
The BG command starts a motion. When Used as an Operand, the BG command will return a
1 if there is a commanded motion in progress, a 0 otherwise.
ARGUMENTS: BG
USAGE:
While Moving Yes Default Value ---
In a Program Yes Default Format ---
Command Line Yes
Can be Interrogated No
Used as an Operand Yes
Controller Usage ALL
OPERAND USAGE:
_BGx contains a ‘0’ if motion complete on the axis, otherwise contains a ‘1’.
RELATED COMMANDS:
AM After motion complete
ST Stop motion
EXAMPLES:
PR 2000 Set up for a relative move
BG Start motion
HM Set up for the homing
BG Start motion
JG 1000 Set up for jog
BG Start motion
STATE=_BG Assign a 1 to STATE if the axis is performing a move
HINT: You cannot give another BG command until current BG motion has been completed. Use the
AM trippoint to wait for motion complete between moves. Another method for checking motion
complete is to test for _BG being equal to 0.