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Designers Manual
Advanced Energy CoolX600 Series
In some applications, common-mode currents can cause further erroneous readings.
To reduce these readings, loop a few turns of the scope lead through a suitable high-
permeability ferrite ring. Most loads powered by a power supply will have at least
small values of differential capacitance located near the load. Advanced Energy
recommends the use of a small value of capacitance (approximately 1 μF) positioned
at the point of measurement.
Refer to
“Minimizing System Noise”
on page 7
‑
1 and Application Note AN1105:
Ripple and Noise for additional details about how to measure and reduce output
ripple and noise.
M
MAAIIN
NTTEEN
NAAN
NC
CEE
To Remove CoolMod Modules
☞
Important
CoolX units do not have user-serviceable components; the units must be
returned to the factory for repairs. Contact AE Global Services for an RMA
number before returning the unit. Do not attempt to repair or modify the power
supply in any manner other than the exchange of CoolMod modules as
described in this manual.
1. Unscrew and remove the plastic retainer bar.
2. Remove the two mounting screws from the base of the CoolPac chassis.
3. Unplug the module from the chassis.
Once a module has been removed, you can either insert another module or leave
the slot empty.
Reliability
The bathtub curve in
Figure 6
‑
31
shows how the failure rate of a power supply
develops over time.
Advanced Energy
®
CoolX
®
600 Modular Power Supply
57010208-00B
Installation, Setup, and Operation
6‑25
