Xantrex Watt Series Programmable DC Power Supply XG 850, Operating Manual

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Local Operation
3-44 M370078-01
Connecting to the Load in Remote Sensing Mode
Connect the negative (–) output terminal of one power supply to the
positive (+) output terminal of the next power supply. The more positive
supply’s positive sense line should connect to the positive terminal of the
load (or distribution point). Its return sense line should connect to the
connection between the two units at the same spot as the negative supply’s
positive sense line. The return sense line of the negative supply should be
connected to the return of the load. See Figure 3-7.
CAUTION: Equipment damage
Do not connect sense lines through relays.
Figure 3-7 Load Connections in Remote Sensing Mode