參數(shù)資料
型號: PCL6045B
廠商: Electronic Theatre Controls, Inc.
英文描述: User Manual For PCL6045B Pulse Control LSI
中文描述: 用戶手冊PCL6045B脈沖控制大規(guī)模集成電路
文件頁數(shù): 63/176頁
文件大?。?/td> 7952K
代理商: PCL6045B
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56
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9-2-2.
Positioning
operation
(specify
the
absolute
position
in
COUNTER1)
(MOD:
42h)
This
mode
only
uses
the
difference
between
the
PRMV
(target
position)
register
value
and
COUNTER1.
Since
the
COUNTER1
value
is
stored
when
starting
to
move,
the
PCL
cannot
be
overridden
by
changing
the
COUNTER1
value.
But,
the
target
position
can
be
overridden
by
changing
the
RMV
value.
The
direction
of
movement
can
be
set
automatically
by
evaluating
the
relative
relationship
between
the
PRMV
register
setting
and
the
value
in
COUNTER1.
At
start
up,
the
difference
between
the
RMV
setting
and
the
value
stored
in
COUNTER1
is
loaded
into
the
positioning
counter
(RPLS).
The
PCL
moves
toward
the
zero
position.
When
the
positioning
counter
value
reaches
zero,
it
stops
operation.
If
the
PRMV
register
value
is
made
equal
to
the
COUNTER1
value
and
the
positioning
operation
is
started,
the
PCL
will
immediately
stop
operation
without
outputting
any
command
pulses.
9-2-3.
Positioning
operation
(specify
the
absolute
position
in
COUNTER2)
(MOD:
43h)
This
mode
only
uses
the
difference
between
the
PRMV
(target
position)
register
setting
and
the
value
in
COUNTER2.
Since
the
COUNTER2
value
is
stored
when
starting
a
positioning
operation,
the
PCL
cannot
be
overridden
by
changing
the
value
in
COUNTER2;
however,
it
can
override
the
target
position
by
changing
the
value
in
RMV.
The
direction
of
movement
can
be
set
automatically
by
evaluating
the
relationship
between
the
PRMV
register
setting
and
the
value
in
COUNTER2.
At
start
up,
the
difference
between
the
RMV
setting
and
the
value
stored
in
COUNTER2
is
loaded
into
the
positioning
counter
(RPLS).
The
PCL
moves
in
the
direction
to
the
zero
position.
When
the
positioning
counter
value
reaches
zero,
it
stops
operation.
If
the
PRMV
register
value
is
made
equal
to
the
COUNTER2
value
and
the
positioning
operation
is
started,
the
PCL
will
immediately
stop
operation
without
outputting
any
command
pulses.
9-2-4.
Command
position
0
return
operation
(MOD:
44h)
This
mode
continues
operation
until
the
COUNTER1
(command
position)
value
becomes
zero.
The
direction
of
movement
is
set
automatically
by
the
sign
for
the
value
in
COUNTER1
when
starting.
This
operation
is
the
same
as
when
positioning
(specify
the
absolute
position
in
COUNTER1)
by
entering
zero
in
the
PRMV
register;
however,
there
is
no
need
to
specify
the
PRMV
register.
9-2-5.
Machine
position
0
return
operation
(MOD:
45h)
This
mode
is
used
to
continue
operations
until
the
value
in
COUNTER2
(mechanical
position)
becomes
zero.
The
number
of
output
pulses
and
feed
direction
are
set
automatically
by
internal
calculations
based
on
the
COUNTER2
value
when
starting.
This
operation
is
the
same
as
when
positioning
(specify
the
absolute
position
in
COUNTER2)
by
entering
zero
in
the
PRMV
register.
However,
there
is
no
need
to
specify
the
PRMV
register.
9-2-6.
One
pulse
operation
(MOD:
46h,
4Eh)
This
mode
outputs
a
single
pulse.
This
operation
is
identical
to
a
positioning
operation
(incremental
target
positioning)
that
writes
a
"1"
(or
"-
1")
to
the
RMV
register.
However,
with
this
operation,
you
do
need
not
to
write
a
"1"
or
"-1"
to
the
RMV
register.
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