Parallax 28823 User Manual page 3

Ensure the servo power switch on the Parallax Servo Controller is off, and then connect the power source
for the servos to the screw terminals observing proper polarity. Servos require more power than the USB
port can supply. For this reason, you must connect a separate power supply for the servos. See figure
2.
standard servo
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Rev A
- + S
* Note: Though a Rev A board is depicted here, the connections for the Rev B board are exactly the same.
Installing the PSCI software
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image. Once the program is downloaded, double-click on it and follow the installation instructions.
Parallax, Inc. • Parallax Servo Controller USB – Rev B ver 3.4 (#28823) • 8/2006
Figure 2: PSCusb, typical Connections.
standard servo
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B
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X2
S + -
Ch15 Ch14
Ch13 Ch12
Ch11 Ch10
Ch9 Ch8
Ch7 Ch6
Ch5 Ch4
Ch3 Ch2
Ch1 Ch0
and search for 28823. The download icon should be near the product
3