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5.9
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.
5.9.1
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).
6.
Connect J7 (M) output connector from the master unit to the J6 (S) input connector of the
slave unit.
7.
To connect additional units, connect J7 (M) connector to the next unit J6 (S) connector.
8.
Repeat the procedure until all the units are connected.
Advanced Parallel System assembly has to be performed while the Power Supplies are
disconnected from the grid (disconnected from the AC source).
5.9.2
Advanced Parallel Dis-Connection (System Dis-Assembly)
Advanced parallel disconnection is performed by disconnecting advanced parallel connection cable
(G/P), which is connected between a master unit to a slave unit (or between a slave unit to a slave
unit in case of multiple slave units).
1.
Disconnect J7 (M) output connector from the master unit and J6 (S) input connector from the
slave unit.
2.
If additional slave units are connected, disconnect J7 (M) connector from the unit and J6 (S)
connector from the next unit.
3.
Repeat the procedure until all the units are disconnected.
Advanced Parallel System disassembly has to be performed while the Power Supplies are
disconnected from the grid (disconnected from the AC source).
5.9.3
Load Connection
In parallel operation, power supplies can be connected in local or remote sensing. Refer to Figure
5–11 and Figure 5–12 for typical connections of parallel power supplies. Up to four identical units
can be connected in parallel.
NOTE
NOTE
144
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