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Using Multiple Power Supplies
975-0200-01-01 3-39
3
Configuring Multiple Supplies for Series Operation
A maximum of two power supplies of the same rating can be connected in
series to increase the output voltage.
Connecting to the Load in Local Sensing Mode
Connect the negative (–) output terminal of one power supply to the
positive (+) output terminal of the next power supply. See
Figure 3-5 for a
representation of series operation.
CAUTION
When two power supplies are connected in series, they should be programmed to
the same output voltage to prevent damage to the lower voltage supply at short
circuit condition.
Figure 3-5
Series Operation
J1.1
+S
+
–
J1.6
-S
+
–
J1.5
-LS
J1.2
+LS
J1.6
-S
J1.1
+S
–
+
LOAD
J1.5
-LS
J1.2
+LS
Power Supply
Power Supply