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TTL Input Module | 1771-IG Allen-Bradley

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  • Vendor:

    Allen-Bradley

  • Type:

    Input Module

  • Tags Input module

About the Product

Allen-Bradley 1771-IG TTL Input Module

Core Specifications

8-channel TTL-compatible DC input module

Operating voltage: 5.0–5.3V DC (strict tolerance)

Ultra-fast response: <1ms ON delay

Low power: 122mA backplane current

Weight:0.8kg

Optical isolation for noise protection

Works with PLC-5 series processors

Key Features

TTL/BCD encoder interface support

1771-WC swing-arm wiring (no disassembly needed)

Front-panel LED status indicators

Conformal coating for durability

Supports ½, 1, and 2-slot addressing

Industrial Use Cases

Precision CNC machine feedback signals

Robotic arm position sensors

Laboratory test equipment interfaces

High-speed packaging line counters

Semiconductor manufacturing tools

Installation Notes

Requires 5V DC external power supply

Mount in 1771 I/O chassis (slots 34-36 or 4-6)

Do not connect AC voltage—TTL only

Use shielded cables for noise-sensitive applications

Power off PLC before module installation

Package Includes

1771-IG module

Compatible wiring arm (1771-WC)

Installation manual

12-month manufacturer warranty

Global Shipping

FedEx Priority (1–3 business days)

UPS Ground (3–5 business days)

DHL Express (2–4 business days)

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  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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