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): 101/176頁
文件大?。?/td> 7952K
代理商: PCL6045B
-94-
10-4.
Example
of
setting
up
an
acceleration/deceleration
speed
pattern
Ex.
Reference
clock
=
19.6608
MHz
When
the
start
speed
=10
pps,
the
operation
speed
=100
kpps,
and
the
accel/decel
time
=
300
msec,
1)
Select
the
2x
mode
for
multiplier
rate
in
order
to
get
100
kpps
output
PRMG
=
149
(95h)
2)
Since
the
2x
mode
is
selected
to
get
an
operation
speed
100
kpps,
PRFH
=
50000
(C350h)
3)
In
order
to
set
a
start
speed
of
10
pps,
the
rate
magnification
is
set
to
the
2x
mode.
PRFL
=
5
(0005h)
4)
In
order
to
make
the
acceleration/deceleration
time
300
msec,
set
PRUR
=
28,494,
from
the
equation
for
the
acceleration
time
and
the
RUR
value.
(PRFH
-
PRFL)
x
(PRUR
+
1)
x
4
Acceleration
time
[s]
=
Reference
clock
frequency
[Hz]
(50000
-
5)
x
(PRUR
+
1)
x
4
19.6608
x
10
6
0.3
=
PRUR
=
28.494
However,
since
only
integers
can
be
entered
for
PRUR,
use
28
or
29.
The
actual
acceleration/deceleration
time
will
be
295
msec
if
PRUR
=
28,
or
305
msec
if
PRUR
=
29.
An
example
of
the
speed
pattern
when
PRUR
=
29
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