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Getting Started
TABLE 2-1:
POWER CONNECTIONS
Number
1
2
3
4
5
6
7
8
9
10
11
Name
Neutral
Earth Ground
Live (Fused)
Motor Phase 1 (M1)
Motor Phase 2 (M2)
Motor Phase 3 (M3)
Hall Sensor A (HA)
Hall Sensor B (HB)
Hall Sensor C (HC)
Hall Sensors, 5V power supply terminal
Hall Sensors, Ground terminal
Type
Input
Input
Input
Output
Output
Output
Input
Input
Input
Output
Output
2.3.2
Host/Communication Connections
A mini-USB-to-USB certified cable and a standard DB9 male-to-female cable should
be used to connect the dsPICDEM? MCHV Development System to the host
computer.
The communication port connectors are listed in Table 2-2. Refer to Figure 2-5 for their
exact location.
TABLE 2-2:
COMMUNICATION PORT CONNECTORS
Number
12
13
14
15
2.3.2.1
Name
USB-to-UART connector
RS-23- to-UART connector
USB connector for the Starter Kit programmer/debugger
Non-isolated ICSP? connector for device programming/debugging
CONNECTION SEQUENCE
Type
Input/Output
Input/Output
Input/Output
Input/Output
The recommended connection sequence is listed below. The user should ensure that
the following sequence is met before connecting the system to the mains, a motor and
a host computer.
Note:
Before making any connection, verify that the system is not powered and it
is fully discharged. The system is completed discharged when the red LED
D13 is OFF.
1. Connect the motor terminals R, Y, and B (also known as RWB or 123 or ABC) to
the connection nodes M1, M2, and M3 (4, 5, and 6 in Figure 2-5), respectively.
2. Follow the next steps if position sensors are utilized to control the motor. If not,
proceed to step 3.
a) If the motor position is sensed with Hall Sensors, connect the terminals A, B,
and C to the connection nodes HA, HB, and HC (7, 8, and 9 in Figure 2-5),
respectively. Also, connect the positive terminal +5V to the connection node
+5V and the ground terminal to the connection node GND (10 and 11 in
Figure 2-5).
b) If the motor position is sensed with a Quadrature Encoder, connect the ter-
minals phase A, phase B, and Index to the connection nodes HA, HB, and
HC (7, 8, and 9 in Figure 2-5), respectively.
? 2009 Microchip Technology Inc.
DS70605A-page 17
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