Yaskawa LEGEND-MC - Manual (Page 198)

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LEGEND-MC User’s Manual
QL (Query Latch - Auxiliary Encoder)
[General]
DESCRIPTION:
The QL command will return the last position captured by the latch on the auxiliary axis. The latch must
first be armed by the AL command.
ARGUMENTS: QLn where
n = XYZW or ABCDEFGH for the auxiliary encoder latch.
USAGE:
OPERAND USAGE:
_QLn contains the latched position where n is an axis letter.
RELATED COMMANDS:
EXAMPLES:
While Moving Yes Default Value n/a
In a Program Yes Default Format Position Format
Command Line Yes
Can be Interrogated No
Used as an Operand Yes Distributed Control Specific Axis
"AL" Arm Latch
“RL” Report Latch
JG 5000 Set up to jog
BG Begin jog
AL Arm the latch; assume that after about 2
seconds, input goes low
#WAIT; JP #WAIT,_ALX=2 Wait while the auxiliary latch has not
occurred.
QL Report the auxiliary latch