Rockwell Automation Publication 520-UM001G-EN-E - September 2014 15
Chapter 1
Installation/Wiring
This chapter provides information on mounting and wiring the PowerFlex 520-
series drives.
Most start-up difficulties are the result of incorrect wiring. Every precaution must
be taken to assure that the wiring is done as instructed. All items must be read and
understood before the actual installation begins.
Mounting Considerations
• Mount the drive upright on a flat, vertical and level surface.
• Protect the cooling fan by avoiding dust or metallic particles.
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Mounting Considerations
15
AC Supply Source Considerations 19
General Grounding Requirements 20
Fuses and Circuit Breakers 22
Power and Control Module 27
Control Module Cover 30
Power Module Terminal Guard 30
Power Wiring 31
Power Terminal Block 34
Common Bus/Precharge Notes 35
I/O Wiring 35
Control I/O Terminal Block 36
Start and Speed Reference Control 46
CE Conformity 49
ATTENTION: The following information is merely a guide for proper
installation. Rockwell Automation cannot assume responsibility for the
compliance or the noncompliance to any code, national, local or otherwise for
the proper installation of this drive or associated equipment. A hazard of
personal injury and/or equipment damage exists if codes are ignored during
installation.
Frame Screw Size Screw Torque
A M5 (#10...24) 1.56...1.96 Nm (14...17 lb-in.)
B M5 (#10...24) 1.56...1.96 Nm (14...17 lb-in.)
C M5 (#10...24) 1.56...1.96 Nm (14...17 lb-in.)
D M5 (#10...24) 2.45...2.94 Nm (22...26 lb-in.)
E M8 (5/16 in.) 6.0...7.4 Nm (53...65 lb-in.)
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