Home › Manufacturers › Allen Bradley › 1771-IGD

Allen Bradley

Allen Bradley 1771-IGD TTL Digital Input Module - 16 Point

Allen Bradley 16-Point TTL Digital Input Module

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerAllen Bradley

Part number1771-IGD

Number of Inputs 16

Input Voltage 5V DC (TTL)

Logic Selectable Positive/Negative

Response Time <1 ms

Get a price for 1771-IGD

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

16 TTL inputs Selectable logic Fast response (<1 ms) 1500V isolation 0.5A fuse protection LED status indicators

Product description

The Allen Bradley 1771-IGD is a 16-point TTL digital input module designed for the Allen Bradley PLC-5 family. It provides reliable interfacing for TTL-compatible digital signals, operating at 5V DC. This module supports both positive and negative logic configurations, selectable via jumpers, ensuring flexibility in system design.

With a fast response time of less than 1ms, the 1771-IGD is suitable for applications requiring precise and rapid signal acquisition. Its design includes 1500V isolation and a 0.5A fuse for protection against voltage surges and accidental misapplication, enhancing system reliability.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the Allen Bradley 1771-IGD. Trust us for quality components and efficient fulfillment for your automation projects.

Technical specifications

Number of Inputs	16
Input Voltage	5V DC (TTL)
Logic	Selectable Positive/Negative
Response Time	<1 ms
Isolation	1500V AC RMS
Backplane Current	130 mA @ 5V DC
Power Dissipation	0.4-2.7 W
Module Type	TTL Input

Common applications

PLC-5 Systems

Digital Signal Interfacing

Machine Monitoring

Process Control Input

Industrial Automation

Compatible systems

PLC-5 Chassis (1771-A1B, -A2B, -A3B, -A3B1, -A4B, -AM1, -AM2)

Also known as

Allen Bradley PLC-5 1771-IGD 1771-IGD Input Card 16 Channel TTL Input Module

Replaces / compatible with

This module is part of the 1771 I/O family and is compatible with Series A and B 1771 chassis (A1B, A2B, A3B, A4B, AM1, AM2).

Technical note

Expert tip

Requires a 1771-WH wiring arm for signal termination and should be installed in compatible 1771 I/O chassis.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the logic configuration and response time of the Allen Bradley 1771-IGD module?

The Allen Bradley 1771-IGD module features selectable positive or negative logic configurations, allowing for flexibility in your automation setup. It also boasts a rapid response time of less than 1 millisecond, ensuring quick data acquisition.