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Rockwell Automation Publication 20Y-UM001F-EN-P - April 2017
Chapter 1
AFE in IP20 2500 MCC Style Enclosure – Installation/Wiring
Control Wiring
The AFE in an IP20 2500 MCC Style enclosure is wired at the factory and
programmed to operate from the operator switches on the front of the
enclosure. See
and
for I/O terminal designations. If
customized (or remote) control is required, then you must change the control
wiring and correspondent digital I/O parameter setting.
Here are some important points to remember about I/O wiring:
• Always use copper wire.
• Wire with an insulation rating of 600V or greater is recommended.
• Control and signal wires must be separated from power wires by at least
0.3 meters (1 foot).
• When it is unavoidable to cross control and signal wires with power
wires, always cross power wires at a 90° angle.
IMPORTANT
I/O terminals that are labeled ‘(–)’ or ‘Common’ are not referenced to earth
ground. They are designed to reduce common mode interference.
Grounding these terminals can cause signal noise.
ATTENTION:
Inputs must be configured with software and jumpers (see
Analog I/O Configuration on page 46
). If you configure an analog input for
0…20 mA operation and drive it from a voltage source, you can cause
component damage. Verify proper configuration before you apply input
signals.
ATTENTION:
It is important to disable the variable frequency drives that are
connected to the AFE output when the AFE is not active (not modulating).
Connect the 'Inverter Enable' output of the AFE to each variable frequency
drive enable input, or enable parameter 132 [Contact Off Cnfg] to force off
the main contactor if there is a fault. This action makes sure that once the
AFE stops modulating, there is no motoring current flowing through the AFE
IGBT diodes. Failure to disable the AFE output can result in component
damage or a reduction in product life.
When you enable parameter 132, see
for details. The AFE is shipped
with parameter 132 disabled. The disabled parameter does not stop or shut
down DC output when a fault occurs.
Содержание Allen-Bradley PowerFlex 700AFE
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Страница 124: ...124 Rockwell Automation Publication 20Y UM001F EN P April 2017 Chapter 4 Programming and Parameters Notes ...
Страница 136: ...136 Rockwell Automation Publication 20Y UM001F EN P April 2017 Chapter 5 Troubleshooting Notes ...
Страница 158: ...158 Rockwell Automation Publication 20Y UM001F EN P April 2017 Appendix A Supplemental Information Notes ...
Страница 164: ...164 Rockwell Automation Publication 20Y UM001F EN P April 2017 Appendix B HIM Overview Notes ...
Страница 180: ...180 Rockwell Automation Publication 20Y UM001F EN P April 2017 Index by number 120 linear list 120 viewing 163 ...
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