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參數資料
| 型號： | MC3PHACVDW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 3-Phase AC Motor Controller |
| 中文描述： | AC MOTOR CONTROLLER, PDSO28 |
| 封裝： | PLASTIC, SOIC-28 |
| 文件頁數： | 35/44頁 |
| 文件大小： | 724K |
| 代理商： | MC3PHACVDW |
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MC3PHAC/D
Operation
MOTOROLA
3-Phase AC Motor Controller
35
Command State Machine
When using the PC master software mode of operation, the command state
machine governs behavior of the device depending upon its current state,
system parameters, any new commands received via the communications link,
and the prevailing conditions of the system. The command state diagram is in
Figure 18
. It illustrates the sequence of commands which are necessary to
bring the device from the reset condition to running the motor in a steady state
and depicts the permissible state transitions. The device will remain within a
given state unless the conditions shown for a transition are met.
Some commands only cause a temporary state change to occur. While they are
being executed, the state machine will automatically return to the state which
existed prior to the command being received. For example, the motor speed
may be changed from within any state by using the WRITEVAR16 command to
write to the "Speed In" variable. This will cause the "Set Speed" state to be
momentarily entered, the "Speed In" variable will be updated and then the
original state will be re-entered. This allows the motor speed, acceleration or
base frequency to be modified whether the motor is already accelerating,
decelerating, or in a steady state.
Each state is described here in more detail.
Reset
—
This state is entered when a device power-on reset (POR), pin
reset, loss of crystal, internally detected error, or reset command occurs
from within any state. In this state, the device is initialized and the PWM
outputs are configured to high impedance. This state is then
automatically exited.
PWMHighZ
— This state is entered from the reset state. This state is
also re-entered after one and only one of the PWM dead-time or polarity
parameters have been initialized. In this state the PWM outputs are
configured to a high-impedance state as the device waits for both the
PWM dead time and polarity to be initialized.
SetDeadTime
(write once) — This state is entered from the PWMHighZ
state the first time that a write to the PWM dead-time variable occurs. In
this state, the PWM dead time is initialized and the state is then
automatically exited. This state cannot be re-entered, and hence the
dead time cannot be modified, unless the reset state is first re-entered.
SetPolarity
(write once) — This state is entered from the PWMHighZ
state the first time that the PWM polarity command is received. In this
state, the PWM polarity is initialized and the state is then automatically
exited. This state cannot be re-entered, and hence the polarity cannot
be modified, unless the reset state is first re-entered.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關代理商/技術參數 |
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|---|---|
| MC3PHACVDWE | 功能描述:馬達/運動/點火控制器和驅動器 8BIT MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MC3PHACVFA | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 32LQFP - Trays 制造商:Rochester Electronics LLC 功能描述:8BIT MCU, 8K FLASH OTP - Bulk |
| MC3PHACVFAE | 功能描述:馬達/運動/點火控制器和驅動器 8B MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MC3PHACVP | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 28PDIP - Rail/Tube 制造商:Freescale Semiconductor 功能描述:Controller IC |
| MC3PHACVPE | 功能描述:馬達/運動/點火控制器和驅動器 8BIT MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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