Rockwell Automation 8520 9/Series Hardware TAB 5 User Manual

Page 137

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Section 5B
9/440HR CNC/Drive System

5B-63

Required Tools and Equipment

Before you begin connecting power wiring, be sure to have the following:

A small, flathead screwdriver

User–supplied contactor

User–supplied wiring for input power

Connecting Power Wiring for 5 and 10 kW (Series A/B) and 22 kW System
Modules

To connect power wiring:

1.

Connect the ground wire for the system module to the bonded ground
bus bar on the subpanel. For more information about bonding, refer
to the documentation that accompanied your 1394 system.

2.

Open the front door of the system module.

3.

Connect the system ground bar wire as follows:

If you have this type of system
module:

then:

5 and 10 kW or 22 kW
(Series A or B)

Insert the system ground bar wire in the
terminal block labeled PE.

22 kW
Series C

Connect the system ground bar wire to the
system module ground bar.

4.

Connect the three–phase incoming power wires by inserting the wire
into its namesake terminal block (i.e., wire U into terminal block U,
V into V, and W into W). Make sure to bundle three phase power
toehter with neutral as much as possible.

5.

Connect the three–phase neutral wire as follows:

If you have this type of system
module:

then:

5 and 10 kW or 22 kW
(Series A or B)

Connect the three–phase input neutral wire
to the bonded system ground bar. For more
information about bonding, refer to your
accompanying 1394 system documentation.

22 kW
Series C

Insert the three–phase input neutral wire in
the terminal block labeled PE.

Important: The three–phase input neutral connection is present only on
grounded power configurations.

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