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| 제조회사 : NSC |
| 판매가격 : 35,000원 |
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| 적립금액 : 0원 |
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| ★★★★★ |
| 신속하고 정확한 배송을 약속드립니다 |
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LM628/LM629
Precision Motion Controller
General Description
The LM628/LM629 are dedicated motion-control processors
designed for use with a variety of DC and brushless DC
servo motors, and other servomechanisms which provide a
quadrature incremental position feedback signal. The parts
perform the intensive, real-time computational tasks required
for high performance digital motion control. The host control
software interface is facilitated by a high-level command set.
The LM628 has an 8-bit output which can drive either an
8-bit or a 12-bit DAC. The components required to build a
servo system are reduced to the DC motor/actuator, an incremental
encoder, a DAC, a power amplifier, and the
LM628. An LM629-based system is similar, except that it
provides an 8-bit PWM output for directly driving H-switches.
The parts are fabricated in NMOS and packaged in a 28-pin
dual in-line package or a 24-pin surface mount package
(LM629 only). Both 6 MHz and 8 MHz maximum frequency
versions are available with the suffixes -6 and -8, respectively,
used to designate the versions. They incorporate an
SDA core processor and cells designed by SDA.
Features
32-bit position, velocity, and acceleration registers
Programmable digital PID filter with 16-bit coefficients
Programmable derivative sampling interval
8- or 12-bit DAC output data (LM628)
8-bit sign-magnitude PWM output data (LM629)
Internal trapezoidal velocity profile generator
Velocity, target position, and filter parameters may be
changed during motion
Position and velocity modes of operation
Real-time programmable host interrupts
8-bit parallel asynchronous host interface
Quadrature incremental encoder interface with index
pulse input
Available in a 28-pin dual in-line package or a 24-pin
surface mount package (LM629 only)
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