AN1661 Freescale Semiconductor / Motorola, AN1661 Datasheet - Page 6

• Manufacturer Part Number: AN1661
• Description: Low Cost Universal Motor Chopper Drive System
• Manufacturer: Freescale Semiconductor / Motorola

Application Note
6
Figure 3. Low-Cost Motor Control Chopper Drive
The speed command can be set externally in the range of 0 volts to
5 volts. A simple external control panel (refer to
linked with the chopper power stage when external commands are
needed. The connectors MP1-speed, MP2-direction, MP3-start/stop,
and MP4-GND are provided on-board.
START/STOP
Freescale Semiconductor, Inc.
DIRECTION
For More Information On This Product,
SPEED
GND
V
CC
Go to: www.freescale.com
5
1
4
3
2
0–5 VOLTS
STOP = OPEN
START = GND
Figure 4. External Control Panel
R2
10 k
SW2
START/STOP
Figure
4) should be
MOTOROLA
SW1
DIRECTION
AN1661