Rockwell-automation 22B PowerFlex 40 Configured AC Drives User Manual download pdf (Page 16)

16 Rockwell Automation Publication 23B-IN001K-EN-P - September 2013

Chapter 1 PowerFlex 40 Standard Configured Drive Standard Features and Options

Output Power Wiring

Refer to the PowerFlex 40 User Manual for additional detailed information about

output power wiring recommendations and selection.

To connect AC output power wiring from the drive to the motor:

❏ 1. Wire the three-phase AC output power motor leads by routing them

according to the drive option type. Note that you must punch openings in

the option cabinet of the desired conduit size, following NEC and all

applicable local codes and standards. Power terminal block specifications

are listed in Ta bl e 4

Do not route more than three sets of motor leads through a single conduit.

This will minimize cross-talk that could reduce the effectiveness of noise

reduction methods. If more than three drive/motor connections per

conduit are required, shielded cable must be used. If possible, each conduit

should contain only one set of motor leads.

❏ 2. Connect the three-phase AC output power motor leads to terminals

U, V, W (T1, T2, T3) on the power terminal block located on the drive.

❏ 3. Tighten the three-phase AC output power terminals to the proper torque

according to drive type as shown in Tab le 4

Table 4 - AC Output Power Terminal Block Specifications

ATTENTION: Unused wires in conduit must be grounded at both ends to avoid a

possible shock hazard caused by induced voltages. Also, if a drive sharing a

conduit is being serviced or installed, all drives using this conduit should be

disabled to eliminate the possible shock hazard from cross-coupled motor

leads. Failure to observe these precautions could result in bodily injury.

ATTENTION: Do not route signal and control wiring with power wiring in the

same conduit. This can cause interference with drive operation. Failure to

observe this precaution could result in damage to, or destruction of, the

equipment.

Frame Maximum Wire Size

(1)

(1) Maximum/minimum sizes that the terminal block will accept - these are not recommendations.

Minimum Wire Size Recommended Torque

B5.3 mm

(10 AWG) 1.3 mm

(16 AWG) 1.7…2.2 N•m (16…19 lb•in)

C8.4 mm

(8 AWG) 1.3 mm

(16 AWG) 2.9…3.7 N•m (26…33 lb•in)

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Rockwell-automation 22B PowerFlex 40 Configured AC Drives User Manual Page 16