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The Allen-Bradley 1771-NA01 division node adapter board is a versatile interface solution within the 1771 I/O module series, seamlessly connecting external devices with the main control board of specific modules. Designed for Remote I/O (RIO) applications, it ensures compatibility with Allen-Bradley processors and supports communications with a PLC controller via its discrete I/O functions and block transfers. Operating efficiently between 0 to 60 degrees Celsius with a power requirement under 5 Volts, this adapter includes two LED indicators for monitoring system status, highlighting normal operations, reset states, and potential malfunctions.