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6.9
Advanced Parallel
Up to four units of the same voltage and current ratings can be connected in parallel to provide up
to four times of the output current capability. One of the units operates as a master while the
remaining units operate as slaves. The configuration of the system (Master-Slave) is automatic.
Each unit configures itself according to advanced parallel cable connection.
6.9.1 Advanced Parallel Connection (System Assembly)
Advanced parallel connection is established by connecting the master unit to a slave unit using
advanced parallel connection cable (G/P).
1. Connect J7 (M) output connector from the master unit to the J6 (S) input connector of the slave
unit.
2. To connect additional units, connect J7 (M) connector to the next unit J6 (S) input connector.
3. Repeat the procedure until all the units are connected.
NOTE
Advanced Parallel System assembly has to be performed while the Power Supplies are
disconnected from the grid (disconnected from the AC source).
6.9.2 Load Connection
In parallel operation, power supplies can be connected in local or remote sensing. Refer to Figure
6–11 and Figure 6–12 for typical connections of parallel power supplies. Up to four identical units
can be connected in parallel.
Figure 6–11: Parallel Connection with Local Sensing
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