5 using multiple supplies – American Magnetics 12200PS DC Power Supply (CE-Marked) User Manual
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LOCAL OPERATION
OPERATING MANUAL
3-6
Release 1.0 (98/07)
3.5 Using Multiple Supplies
Do not connect power supplies from different manufacturers in parallel or
in series.
CAUTION
The remote programming inputs are internally referenced to the supply's
negative output. Do not connect remote programming ground lines
(J2 terminals 3, 5, and 7) to the supply's positive output.
You can operate
power supplies of the SAME MODEL with outputs in series or in parallel to obtain increased
load voltage or increased current. Split supply operation gives you two positive outputs or a positive and a
negative output.
Note:
If your application requires the use of isolated programming inputs, contact the manufacturer about the
optional ISOL Interface.
3.5.1
Configuring Multiple Supplies for Series Operation
CAUTION
Do not use remote sensing during series operation.
CAUTION
The maximum allowable sum of the output voltages is 600Vdc.
Use series operation to obtain a single higher voltage output using two or more supplies. Connect the negative (-
) output terminal of one supply to the positive
(+) output terminal of the next supply. See
Figure 3.5-1. The total voltage available is the sum of the maximum voltages of each supply (add voltmeter
readings). The maximum allowable current for a series string of power supplies is the output current of a single
supply in the string.
Figure 3.5-1 Series Operation of Multiple Supplies
(Local sense lines shown are default J10 connections.)