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POWER UP
EXTERNAL
STOP
SIGNAL
E
FROM
CONTROLLER
-
FROM
C O b r ~ c n
IF
SO
JUMPERED
-RESET
can
be
used
to
Reset
External
-
Pulse
Count~ng
Device
Time
to
reach
this
state
is
dependent
upon
the
amount
of
deadpath.
If
the
/-TEST/RUN
jumper
is
in
the
TEST
position
the
deadpath
output
pulses
can
be
used
to
verify
operation.
OPERATll
STATE
(
Tr
d
/
The STOP
state
IS
revertea
ro
it
an
error
occurs
and
STOP
upon
ERRSTOP
is
requested,
or
if
an
external
stop
signal
is
generated
from
the
controller.
EACH 10763A
OUTPUTS
I
dP/DOWN or A-QUAD-B PULSES
OF SELECTED RESOLUTIONS
1
Figure 5-72. English/Metric Pulse Output System State Diagram
a.
Give a start command from
the system controller and verify that a ready response
is
returned from
the
English/Metric Output Pulse System
( s e e
Figures 5-70
and
5-72).
b.
Verify that
the
two
LED indicators
on
the
lower front edge
of each 10760A
Counter card
are
lit. These LED'S indicate
that the reference and
measurement signals from
the
laser
head
and receivers are present.
c.
Verify
that the ON light
a t
the upper edge of each
10763A English/Metric 0utPut.~ulse
card is lit.
This
indicates +5V power is
applied
to
the
cards.
CAUTION
Verify that the twisted pair output cables (part
of
10763-60002
cable) are not connected.
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Troubleshooting
