1771-OGD

Product Overview

The Allen-Bradley 1771-OGD is a TTL output module for the 1771 I/O chassis, providing 16-channel digital outputs for industrial automation.

Module Specifications

• Outputs per module: 16

• Module location: Series A or B (1771-A1B, A2B, A3B, A3B1, A4B) and AM1, AM2 I/O chassis

• Output voltage range:

• ON: 2.0–5.25 V DC

• OFF: -0.2–0.8 V DC

• Reverse logic also supported

• Maximum output current: Source 1 mA, Sink 20 mA

• Customer supply voltage: 5 V DC ±0.25 V

• Customer supply current per module: 310 mA max

• Output signal delay: <1 ms

• Power dissipation: 1.0–2.8 W

• Thermal dissipation: 3.4–9.5 BTU/hr

• Backplane current: 230 mA max

• Isolation voltage: Tested at 1500 V AC for 1 s

Environmental Conditions

• Operating temperature: 0–60 °C

• Storage temperature: -40–85 °C

• Relative humidity: 5–95% (non-condensing)

Wiring and Connections

• Wire size: Up to 14 AWG stranded, max 3/64" insulation

• Cable: Shielded (Belden 8761)

• Fuse: 0.5 A, 250 V, normal blow

• Wiring arm catalog number: 1771-WH

• Wiring arm screw torque: 7–9 in-lb

• Keying positions: Between 16–18 and 26–28

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