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): 86/176頁
文件大?。?/td> 7952K
代理商: PCL6045B
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9-8-4. Continuous linear interpolation 1 (MOD: 60h)
This is the same as linear interpolation 1, and each axis operates at a speed corresponding to the PRMV
setting. However, the PCL will continue to output pulses until a stop command is received.
This mode only uses the rate from the PRMV setting for all of the interpolated axes. Therefore, if the
PRMV setting for the all of the interpolated axes is zero, the PCL will output pulses to all the interpolated
axes at the same speed.
9-8-5. Linear interpolation 1 (MOD: 61h)
Linear interpolation 1 is used to allow a single LSI to provide interpolation operations between any 2 to 4
axes.
If only one axis is specified and operation is started, an error (ESDT: Stop due to operation data error) will
occur.
After setting the operation speed for the interpolation control axes, specify whether to use or not the
synthesized constant speed control in the PRMD registers, or specify an end point position in the PRMV
register for all of the interpolated axes.
The direction of operation is determined by the sign of the value in the PRMV register.
Automatically, the axis with the maximum feed amount (maximum absolute value in the PRMV register)
will be considered the master axis. The other axis will be the slave axis.
When a start command is written, the LSI will output pulses to the master axis and the slave axis will be
supplied a smaller number of pulses than the master axis. Write a start command by setting either the
SELx or SELy bits corresponding to the interpolation axes in COMB1 to 1. Writing any of these axes bring
the same result.
[Setting example] Use the settings below and write a start command (0751h). The PCL will output pulses
with the timing shown in the figure below. Entering values in the blank items will not
affect operation.
Setting
X axis
Y axis
MOD
61h
61h
MIPF
0 (OFF)
0 (OFF)
RMV value
5
10
Operation speed
1000 pps
Interpolation control axis
O
Master axis / slave axis
Slave axis
Master axis
Z axis
61h
0 (OFF)
2
Slave axis
[Precision of linear interpolation]
As shown in the figure on the right,
linear interpolation executes an interpolation from
the current coordinates to the end coordinates.
The positional precision of a specified line during
linear interpolation will be
±
0.5 LSB throughout
the interpolation range.
"LSB" refers to the minimum feed unit for the
PRMV register setting. It corresponds to the
resolution of the mechanical system. (distance
between tick marks in the figure on the right.)
Y (Slave axis)
End coordinates
(10, 4)
X (Master axis)
4
3
2
1
0
0
5
10
±
0.5 LSB max
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