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SunSpec Alliance Standard Interface for Anti-Islanding Modules. Brian Seal Technical Executive February 1, 2012. Standard Interface Concept. Any Mechanism (PLC, SynchroPhasor , etc.). Any Inverter. SunSpec Defined Standard Interface. Any Non-Intentional Islanding Module.

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sunspec alliance standard interface for anti islanding modules

SunSpec Alliance Standard Interface for Anti-Islanding Modules

Brian SealTechnical Executive

February 1, 2012

standard interface concept
Standard Interface Concept

Any Mechanism

(PLC, SynchroPhasor, etc.)

Any Inverter

SunSpec Defined Standard Interface

Any Non-Intentional Islanding Module

example interface specification
Example Interface Specification

0x01 (start)

19.2KBaud

1 startbit

8 databits

No parity

1 stopbit

+

+

Standard Message format:

Command

CRC1

CRC2

RS232 at the Physical Layer

0x03 (end)

Commands:

0x01 = Grid Tied, Primary Configuration

0x02 = Grid Tied, Secondary Configuration

0x03 = Islanded

0x04 = Comms are Good, Normal Heartbeat

0x05 = Comms are Lost

possible additional spec content
Possible Additional Spec Content
  • Mechanical Space Allocated (for AI modules inside inverter enclosures)
  • Mounting
  • Power Supply (AC? DC?)
  • Others?