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L6480 bảng dữ liệu(PDF) 24 Page - STMicroelectronics

tên linh kiện L6480
Giải thích chi tiết về linh kiện  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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L6480 bảng dữ liệu(HTML) 24 Page - STMicroelectronics

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Functional description
L6480
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Doc ID 023278 Rev 3
Figure 9.
Positioning command examples
6.7.3
Motion commands
Motion commands produce a motion in order to perform a user-defined number of
microsteps in a user-defined direction that are sent to the device together with the command
(see Figure 10).
Performed motor motion is compliant to programmed speed profile boundaries
(acceleration, deceleration, minimum and maximum speed).
Note that with some speed profiles or motion commands, the deceleration phase can start
before the maximum speed is reached.
Figure 10.
Motion command examples
6.7.4
Stop commands
A stop command forces the motor to stop. Stop commands can be sent anytime.
The SoftStop command causes the motor to decelerate with a programmed deceleration
value until MIN_SPEED value is reached and then stops the motor keeping the rotor
position (a holding torque is applied).
The HardStop command stops the motor instantly, ignoring deceleration constraints and
keeping the rotor position (a holding torque is applied).
programmed
ACCELERATION
SPEED
programmed
maximum
speed
programmed
minimum
speed
time
programmed
DECELERATION
programmed number of microsteps
programmed
ACCELERATION
SPEED
programmed
maximum
speed
programmed
minimum
speed
time
programmed
DECELERATION
programmed number of microsteps
Note: with some
Acceleration/Decelaration profiles
the programmed maximum speed
is never reached
AM15163v1



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