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Designers Manual
Advanced Energy CoolX600 Series
☞
Important
Single module outputs are rated SELV (Safety Extra Low Voltage): Output
voltages are guaranteed to be less than 60 V. This 60 V limit can be exceeded if
outputs are connected in series. Take appropriate precautions.
It is good practice to stack modules with similar output current limits, so that in
case of a short circuit the outputs collapse together.
To Connect Outputs in Series
1. Connect the series link. Refer to
Figure 6
‑
16
.
2. Adjust the module output voltages to the desired level.
If remote sensing is required, the positive remote sense of the highest module and
negative remote sense of the lowest module should be connected to the load. Special
series connection links can be fitted to modules to reduce wiring complexity. These
links can be specified and fitted by the installer or added at the factory.
☞
Important
You can connect dual modules in series, but there are no dedicated links on the
modules. You must connect dual modules at a system level.
FFiigguurree 66‑‑1166..
Modules connected in series with a series connection link
PPAAR
RAALLLLEELL C
CO
ON
NN
NEEC
CTTIIO
ON
N O
OFF C
CO
OO
OLLM
MO
OD
D O
OU
UTTPPU
UTTSS
You can connect standard modules in parallel, using standard parallel links, to
increase output current. Excelsys passive current sharing ensures that current hogging
is not possible.
☞
Important
You cannot connect dual modules in parallel.
To Parallel Connect Outputs
1. Enable current sharing by adding an LK1 jumper on the J4 connector of a
module.
2. Connect a parallel link to the negative terminals of two modules.
Advanced Energy
®
CoolX
®
600 Modular Power Supply
57010208-00B
Installation, Setup, and Operation
6‑10
