GW Instek PSH-A Series 360W User Manual - Manual (Page 14)

Setup
27
Single PSH + multiple Load
Condition • Output current for each load follows the load
requirement.
• When the sum of the load current surpasses the
rating, PSH automatically switches to CC
(Constant Current) mode.
Multiple Loads
+ Local
Sensing
PSH
+OUT +IN
Load #1
+Sense
Load #2
+IN
—IN
—IN
—OUT
—Sense
All loads share one PSH output.
Multiple Loads
+ Remote
Sensing
PSH
+OUT +IN
Load #1
+Sense
Load #2
+IN
—IN
—IN
—OUT
—Sense
Distribution
Point
Create a distribution point between PSH and the
loads. PSH compensates the cable loss up to the
distribution point.
To maximize compensation, make sure the
distribution point is closer to the load side.
PSH User Manual
28
Multiple PSH + single load (series operation)
Condition • Up to four PSH series (with identical output
ratings) can be cascaded.
• Output voltage is the sum of the cascaded PSH.
• Output current is the same as a single PSH.
Series
Operation +
Local Sensing
PSH #1
+OUT +IN
Load
+Sense
PSH #2
+OUT
+Sense
—IN —OUT
—OUT
—Sense
—Sense
First PSH:
Negative output → Negative load input
Positive output → The next PSH negative output
Intermediate PSH:
Negative output → The previous PSH positive
output
Positive output → The next PSH negative output
Last PSH:
Negative output → The previous PSH positive
output
Positive output → Positive load input