Function: Enables master-slave parallel operation configuration when expanding total power output capacity.
Compatibility: Works with the PCR-LE/LE2 series (excluding PCR500LE and PCR1000LE models). Up to 5 units or a total capacity of 27 kVA (single-phase) can be combined.
Requirements: Requires the PCR-LE series main unit to run on firmware version 3.01 or later.