Our inverters utilize CANbus communications for establishing parallel operation 
between multiple Sol-Ark inverters. CANbus communication operates as a serial 
communication protocol. In this setup each inverter in the setup is linked via 
a parallel communication cable forming a daisy-chain configuration. If one 
inverter in the chain experiences a shutdown due to a fault, the communication 
chain is disrupted. Consequently, the other inverters will also power down when 
we see this loss, ensuring system protection and safeguarding the customer’s 
investment.

Paralleling must be done at a stage 0 they have to sync and that is done in the 
pre normal mode, functionality wise having them going into sync is extremely 
difficult due to timing issues. It's easier to time it from a stage 0 than to 
do it when one unit is already running.

Maintaining synchronization between inverters is critical; if the inverters 
were to operate out of parallel it can result in conflicts between the 
operation of inverters and desynchronization of the units. This misalignment 
can escalate, potentially causing significant damage to one or more inverters 
and risking harm to other connected equipment.


Best Regards,

Jharen Poole
Applications Engineer II
972-575-8875
[cid:09eb4ba0-f025-49ec-8033-336d60599649]
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