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6. COMMAND REFERENCE
135
H
Change direction
Syntax
Units
Range of ‘n’
Default
See also
aHn
-
+ - or blank
+
D, LOOP
Description
The H command changes the direction of motion. Specifying H+ sets the
direction to clockwise, H- counter clockwise, and H alone reverses the
current direction.
This command has no effect in Mode Absolute.
In Mode Continuous, the use of H+ and H- are recommended for setting
direction.
If H is entered whilst the motor is moving, the direction will not change until
the motor comes to a stop and another G command is given.
Properties
Immediate or buffered, can be used in labelled block, saved by SV
Example 1
Refer to
LOOP
3MI
; mode incremental
3A20
; accel and decel to 20
3V15
; max speed of 15 rps
3D-8000
; 2 revs ccw
3G
; move
3H
; go cw next time
3G
; 2 revs cw
3START:
3PROFILE1(360,360,40000,20)
; define profile 1
3MI
; mode incremental
3GOTO(MAIN)
3END
3MAIN:
3USE(1)
; use profile 1 parameters
3G
; do the move (CW)
3H
; change direction (CCW)
3G
; go back
3END
; end of user program
Summary of Contents for ViX250CM
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