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參數(shù)資料
| 型號： | DRM026 |
| 英文描述： | 3-Phase BLDC Motor Control with Sensorless BACK-EMF ADC Zero Crossing Detection Using 56F805 |
| 中文描述： | 三相無刷直流電動(dòng)機(jī)控制傳感器反電動(dòng)勢過零檢測ADC的使用56F805 |
| 文件頁數(shù)： | 55/66頁 |
| 文件大?。?/td> | 1157K |
| 代理商： | DRM026 |
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System Setup
Jumper Settings of Controller Board
DRM020 — Rev 0
Designer Reference Manual
MOTOROLA
System Setup
55
oscilloscope grounds are at different potentials, unless the oscilloscope
is floating. Note, that probe grounds and, therefore, the case of a floated
oscilloscope are subjected to dangerous voltages.
The user should be aware, that:
Before moving scope probes, making connections, etc., it is
generally advisable to power down the high-voltage supply.
To avoid inadvertent touching live parts, use plastic covers.
When high voltage is applied, using only one hand for operating
the test setup minimizes the possibility of electrical shock.
Operation in lab setups that have grounded tables and/or chairs
should be avoided.
Wearing safety glasses, avoiding ties and jewelry, using shields,
and operation by a personnel trained in high-voltage lab
techniques is also advisable.
Power transistors, the PFC coil, and the motor can reach
temperatures hot enough to cause burns.
When powering down; due to storage in the bus capacitors,
dangerous voltages are present until the power-on LED is off.
5.4 Jumper Settings of Controller Board
The MC68HC908MR32 control board jumper settings shown in
Figure 5-2
and
Table 5-1
are required to execute the 3-phase AC motor
control application with tachogenerator. For a detailed description of the
jumper settings, refer to the
MC68HC908MR32 Control Board User’s
Manual
(Motorola document order number MEMCMR32CBUM/D).
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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