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Chapter 11
Appendix B
M
OTOR
-P
OWER
D
ISTRIBUTION
B
OARD
The Motor-Power Board provides power conversion and distribution to other robot components.
Microcontroller Connection
Individual 26-pos IDC connectors and cables provide signal for the H8S- and SH2-based microcontrollers or for the
legacy C166-based microcontrollers. A separate cable and connector provides for the SH2 microcontroller and SONAR
power. Power and signal are shared on the C166 microcontroller connector.
Table 32. Power connector (5-pos microfit)
P
IN
F
UNCTION
D
ESCRIPTION
1
Vbat
Battery power
2
Gnd
Power common
3
Vcc
5 VDC for SONAR
4
Vcc
5 VDC for SONAR
5
nc
No connection
Auxiliary and User Power Connectors
Various connectors provide conditioned 5 VDC @ 1.5A total and unconditioned battery power for the variety of
accessories and custom user attachments. Some are AUX1 and AUX2 power switched from the User Control Panel.
The row of screw-down auxiliary user-power connectors along the top edge of the motor-powerb oard make custom
attachments easy.
Figure 22. Pioneer 3 Motor-Power Board