参数资料
| 型号： | BCIM |
| 厂商： | Powerex Inc |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | KIT DESIGN CTLR FOR IPM MODULES |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | 835-1000 |
The development kits for the DIP-IPM modules are designed for bringing active high logic to the
control pins and therefore either position 1 or position 3 should be ON. In this case position 1 is
for a 60Hz motor while position 3 is used for 50Hz motors.
Positions 5 and 6 are the start/stop and forward/reverse positions. Changing position 5 to ON or
OFF will start or stop the motor respectively. Position 6 works in the same manner where ON is
reverse and OFF is forward.
Speed and Acceleration Control:
P1 and P2 marked speed and acceleration on the board are rotated clockwise to increase their
value or rotated counterclockwise to decrease their value.
The speed control changes the motor current waveform frequency from 1 to 128 Hz and the
acceleration rate can be adjusted to a value between 0.5 and 128 Hz/s.
BCIM Feedback Controls:
The BCIM has two feedback controls: the fault signal feedback and the bus voltage level
feedback.
The fault feedback is set up on the board to be active low. If low level logic comes back to the
BCIM board because one of the IPMs protection functions have been activated the PWM signals
from the controller will be immediately disabled. Once the fault clears and a high logic signal is
being fed back to the board the motor controller starts a fault retry timer and the PWM signals
are re-enabled after the duration of the programmed timeout value.
The bus voltage feedback control is monitored from pin 2 to pin 3 of CN3. The nominal voltage
feedback level is 3.5V. The voltage level required to assert the brake signal is 3.85V.
Any voltage reading outside of 1.75V minimum and 4.47V maximum constitutes a fault
condition and the PWM signals are disabled. Once the voltage returns to an acceptable value the
fault retry timer starts and PWM is re-enabled once the programmed timeout value is reached.
The board also employs deceleration control via the MC3PHAC and the voltage feedback input
on the board. The acceleration value set by P2 is also used to set the deceleration value and is
equivalent in magnitude. However, when the voltage exceeds 3.85V, the deceleration rate is
moderated to control the bus voltage. If bus voltage monitoring is not desired it must be disabled
by placing a jumper wire between pins 2 and 3.
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