Rockwell Automation Publication 20B-IN017B-EN-P - September 2011
9
Preface
Safety Precautions
The precautions and general installation requirements provided in the PowerFlex
700 Frame 7-10 Installation Instructions (publication 20B-IN014) and the
PowerFlex 700 User Manual (publication 20B-UM002) must be followed in
addition to those included here.
1.
Turn off and lock out input power. Wait five minutes.
2.
Verify that there is no voltage at the drive’s input power terminals.
3.
Check the DC bus voltage at the Power Terminal Block by measuring
between the DC+ and DC– terminals, between the DC+ terminal and
the chassis, and between the DC– terminal and the chassis. The voltage
must be zero for all three measurements.
ATTENTION:
To avoid an electric shock hazard, ensure that all power has
been removed before proceeding. In addition, before servicing, verify
that the voltage on the bus capacitors has discharged. Check the DC bus
voltage at the Power Terminal Block by measuring between the DC+ &
DC– terminals, between the DC+ terminal and the chassis, and
between the DC– terminal and the chassis. The voltage must be zero for
all three measurements.
ATTENTION:
Remove power before making or breaking cable
connections. When you remove or insert a cable connector with power
applied, an electrical arc may occur. An electrical arc can cause personal
injury or property damage by:
·
sending an erroneous signal to your system’s field
devices, causing unintended machine motion.
·
causing an explosion in a hazardous environment.
ATTENTION:
Electrical arcing causes excessive wear to contacts on both
the module and its mating connector. Worn contacts may create
electrical resistance.
ATTENTION:
This assembly contains parts and sub-assemblies that are
sensitive to electrostatic discharge. Static control precautions are
required when servicing this assembly. Component damage may result
if you ignore electrostatic discharge control procedures. If you are not
familiar with static control procedures, reference Allen-Bradley
Publication 8000-4.5.2 Guarding Against Electrostatic Damage, or any
other applicable ESD protection handbook.
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Содержание Allen-Bradley PowerFlex 700
Страница 1: ...PowerFlex 700 Drive Frame 7 Components Replacement Installation Instructions ...
Страница 4: ...4 Rockwell Automation Publication 20B IN017B EN P September 2011 Table of Contents Notes ...
Страница 6: ...6 Rockwell Automation Publication 20B IN017B EN P September 2011 Summary of Changes Notes ...
Страница 12: ...12 Rockwell Automation Publication 20B IN017B EN P September 2011 Preface Notes ...
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