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The Allen-Bradley 1771-OFE1K is a robust analog output module featuring conformal coating for enhanced protection against humidity and contamination. It operates with four 12-bit binary or BCD-configurable outputs, offering three selectable voltage ranges: 1-5V DC, 0-10V DC, and ±10V DC, suitable for peripheral device integration like motor controllers and valve positioners. This module benefits from block transfer programming for efficient data handling, with isolation up to 1500V and no need for an external power supply due to its reliance on the I/O chassis backplane. Offering a swift channel update time and easy installation with keying bands, it ensures reliable performance with diagnostic self-checks and fault indication LEDs, all managed within compact energy and thermal parameters.