Rockwell Automation Publication 520-UM001K-EN-E - August 2021 15
Chapter 1
Installation/Wiring
This chapter provides information on mounting and wiring the PowerFlex
520-series drives.
Most startup 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.
• Do not expose to a corrosive atmosphere.
• Protect from moisture and direct sunlight.
Topic Page
Mounting Considerations 15
AC Supply Source Considerations 19
General Grounding Requirements 20
Fuses and Circuit Breakers 22
Power and Control Module 28
Control Module Cover 30
Power Module Terminal Guard 31
Power Wiring 32
Power Terminal Block 35
Common Bus/Precharge Notes 35
I/O Wiring 36
Control I/O Terminal Block 37
Start and Speed Reference Control 48
CE Conformity 51
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 N•m (14...17 lb•in)
B M5 (#10...24) 1.56...1.96 N•m (14...17 lb•in)
C M5 (#10...24) 1.56...1.96 N•m (14...17 lb•in)
D M5 (#10...24) 2.45...2.94 N•m (22...26 lb•in)
E M8 (5/16 in.) 6.0...7.4 N•m (53...65 lb•in)
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