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參數資料
| 型號： | DK1241A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Advanced Microstepping Motion Control Chipset |
| 中文描述： | 高級微步運動控制芯片組 |
| 文件頁數： | 1/60頁 |
| 文件大小： | 422K |
| 代理商： | DK1241A |
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Internal generation of mcrostepping signals
2-phase as well as 3-phase stepper motors
64 mcrosteps per full step
S-curve, trapezoidal, and velocity profile
trajectory modes
Incremental encoder feedback
On-the-fly motor stall detection
Software & feature compatible with other
versions of PMD's chipset famly
Available in 1 or 2 axis configurations
32-bit position, velocity, acceleration and jerk
trajectory profile registers
Electronic Gearing
Two travel-limt switches per axis
Choice of PWMor DAC motor output signals
Chipset Developer's Kit Available
Features
General Description
The MC1241A is a dedicated motion processor which functions as a
complete chip-based stepper motor controller. Packaged in a 2-IC
chipset, this device performs trajectory profile generation and
mcrostepping signal generation. The chipset outputs PWMor
DAC-compatible motor command signals which directly drive the
windings of the stepping motor, elimnating the need for external
mcrostepping circuitry. The MC1241A also provides the ability to
input incremental encoder signals. It is available in a one, or a two-axis
configuration.
The MC1241A is functionally simlar to other members of PMD's 1st
Generation Motion Processor Famly however it adds the ability to
performmcrstepping signal generation. All of these devices provide
sophisticated trajectory generation allowing the creation of complex
motion sequences.
Both two and three-phase stepping motors are supported by the
MC1241A. An internal ROM-based lookup table is used to generate
the mcrostepping waveforms. The motor power level can be controlled
with a resolution of 16 bits. Changes to the motor power level can be
coordinated with other profile changes to optimze motor heat
dissipation under different load and acceleration conditions.
The chipset is controlled by a host processor which interfaces with the
chipset via an 8-bit, bi-directional port. Communications to/fromthe
chipset consist of packet-oriented messages.
The chipset is packaged in 2 68-pin PLCC packages. Both chips utilize
CMOS technology and are powered by 5 volts.
Doc. Rev. 11.03, Nov 1997
Microstepping Waveforms
Phase A
Phase B
Phase C
64
128
192
256
120 Deg
Phase A
Phase B
90 Deg
3-Phase Stepper
2-Phase Stepper
320
Mcrosteps
Performance Motion Devices, Inc. 12 Waltham St. Lexington, MA 02421 tel: 781.674.9860 fax: 781.674.9861
www.pmdcorp.com
Advanced Mcrostepping
Motion Control Chipset
MC1241A
MC1141A
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