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Set Up and Operation
1.2
USING THE MOTOR CONTROL 3-PHASE HIGH POWER MODULE
1.2.1
Introduction
The user should be aware of the operating procedures outlined below and ensure that
they are followed. Failure to do so may result in damage to the system.
1.2.2
Making Power Connections
It is recommended that cables be terminated with blue or red insulated crimp
terminals. If crimp terminals are not used, care should be taken to ensure that stray
strands of wire do not short to adjacent terminals or the enclosure. If possible, all
wires should be stripped and tinned with solder before connecting to the power
module terminals.
For the AC mains supply input, standard double-insulated, 3-core flex cable should be
used with a minimum current rating of 10A (1 mm 2 18 AWG). A computer power cable
can be used when the IEC connector is removed.
Note:
The system is designed for installation category II. Therefore, the incoming
mains cable should be wired into a standard non-locking 2-pin + ground
type plug.
The recommended output cable size is 1.0 to 1.5 mm 2 (18-16 AWG) and it should
have a 600V rating. This cable should also be double insulated or have a protective
ground screen.
Access to the terminal screws is provided via holes in the lid of the enclosure. A flat
blade screwdriver should be used.
Note:
The user should only access the power terminals when the system is fully
discharged (see Safety Notice).
The power connections are shown in Table 1-1 and Figure 1-3:
TABLE 1-1:
POWER CONNECTIONS
Connection Number
1
2
3
4
5
6
7
? 2003 Microchip Technology Inc.
Input
Ground
Neutral
Live (Fused)
—
—
—
—
Output
Ground
Red Phase
Yellow Phase
Blue Phase
-DC Bus
External Brake Resistor
+DC Bus
DS70096A-page 7
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