1771-AF1

Product Overview

1771-AF1 is an Allen-Bradley Fiber-Optic Converter Module from Rockwell Automation, designed for point-to-point or star communication configurations using fiber-optic connections in industrial control systems.

Electrical Characteristics

• Power Supply (User Supplied): +5V DC @ 1A

• Ripple and Noise: 7mV RMS (maximum)

• Load and Line Regulation: ±0.15% (minimum)

• Power Dissipation: 3.0W (10.3 BTU/hr)

• Backplane Current (1771-AF): 600mA @ 5V DC (4 ports ON)

• Power Class: NEC Class 2

Optical Specifications

• Configuration: Point-to-point or star

• Optical Wavelength: 820 nm

• Receiver Sensitivity: −24 dBm @ 1 meter (100/140 µm fiber)

• Transmitter Power (Optical):

• −21.0 dBm @ 1 m (50/125 µm fiber)

• −16.1 dBm @ 1 m (62.5/125 µm fiber)

• −14.1 dBm @ 1 m (85/125 µm fiber)

• −12.6 dBm @ 1 m (100/140 µm fiber)

• −5.6 dBm @ 1 m (200/230 µm fiber)

• Connector Type: SMA-905 or equivalent

Environmental Conditions

• Operating Temperature: 10°C to 60°C (32°F to 140°F)

• Storage Temperature: −40°C to 85°C (−40°F to 185°F)

• Humidity (Non-condensing): 5–95%

Installation

• Module Location: Stand-alone 1771-AF1 unit

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