34
Appendix B
Advanced Input/Output
Input
commands:
U6
U13
U23
U30
U31
single
character
"W"
to
the
host
when
this
command
is
executed.
The
VXM
will
wait
until
a
"
G
"
is
received
from
the
host
before
proceeding
in
the
program.
Memory
usage
=
2 bytes
.
Wait
for
a
Jog
button
to
be
pressed.
This
command
allows
user
interaction,
by
initiating
a
jump
to
a
specific
program,
or
allowing
the
current
program
to
proceed.
The
Jog
1-
button
will
cause
a
jump
to
program
#1.
The
Jog
1+
button
will
cause
a
jump
to
program
#2.
The
“Run”
button
will
cause
the
current
program
to
continue
to
the
next
command
Memory
usage
=
2 bytes
.
Wait
for
a
Jog
button
to
be
pressed.
This
command
allows
user
interaction,
by
initiating
a
jump-and-come-back-for-more
to
a
specific
program,
or
allowing
the
current
program
to
proceed.
The
Jog
1-
button
will
cause
a
jump
to
program
#1
and
return.
The
Jog
1+
button
will
cause
a
jump
to
program
#2
and
return.
The
“Run”
button
will
cause
the
current
program
to
continue
to
the
next
command
Memory
usage
=
2 bytes
.
Wait
for
a
low
to
high
transition
on
the
user
input
1.
A
"high"
is
a
voltage
between
+1.5VDC
and
+5VDC
applied
to
I/O,5.
A
simple
pushbutton
or
toggle
switch
can
be
used
between
0V
(I/O,1)
and
input
1
(I/O,5)
to
satisfy
this
input.
The
input
level
must
be
low
(less
than
0.8V)
for
at
least
1
ms,
and
go
high
for
at
least
1
ms
to
be
a
valid
input.
This
command
is
best
used
when
interfacing
to
other
solid-state
logic
devices,
refer
to
the
"
U50
"
command
for
push-button
switch
input.
Memory
usage
=
2 bytes
.
Wait
for
a
low
to
high
transition
on
the
user
input
1
holding
user
output
1
"high"
(+5V)
while
waiting.
A
"high"
is
a
voltage
between
+1.5VDC
and
+5VDC
applied
to
I/O,5.
User
output
1
(I/O,14)
will
go
to
+5V
for
the
duration
of
the
wait.
A
simple
pushbutton
or
toggle
switch
can
be
used
between
0V
(I/O,1)
and
input
1
(I/O,5)
to
satisfy
this
input.
The
input
level
must
be
low
(less
than
0.8V)
for
at
least
1
ms,
and
go
high
for
at
least
1
ms
to
be
a
valid
input.
This
command
is
best
used
when
interfacing
to
other
solid-state
logic
devices,
refer
to
the
"
U51
”
command
for
push-button
switch
input.
Memory
usage
=
2 bytes
.
