Allen Bradley AB 96042471 TTL Output Module 1771-OGD

Allen-Bradley 1771-OGD TTL Output Module

The Allen-Bradley 1771-OGD is a 16-point TTL (Transistor-Transistor Logic) digital output module designed for integration with PLC-5 series controllers. It facilitates precise control over low-voltage digital signals, making it suitable for various industrial automation applications.

Key Features

• 16 TTL Outputs: Provides 16 non-isolated TTL output channels for efficient digital signal management.
• Voltage Range: Operates within a DC voltage range of 5.0 to 5.3 volts, ensuring compatibility with standard TTL devices.
• Current Ratings: Supports a maximum continuous current of 0.20 amperes per output (sink) and 0.001 amperes per output (source).
• Fast Response Time: Features an output signal delay of less than 1 millisecond, enabling rapid signal processing.
• Dual Power Supply: Requires both the I/O chassis backplane power and an external 5V DC power supply for TTL signal transmission.
• Logic Level Configuration: Equipped with a logic switch to select between “High = True” and “Low = True” logic operations.
• Output Protection: Includes 0.5A, 250V normal blow fuses for each output to safeguard against overcurrent conditions.
• Environmental Resilience: Operates within a temperature range of 0 to 60°C (32 to 140°F) and humidity levels of 5–95% non-condensing.
• Certifications: Complies with CSA, CE, and UL standards, ensuring adherence to industry safety and performance requirements.

Technical Specifications

• Manufacturer: Allen-Bradley
• Part Number: 1771-OGD
• Module Type: Digital DC Output Module
• Number of Outputs: 16
• Voltage Category: 5 Volts DC, TTL
• DC Operating Voltage: 5.0–5.3 Volts
• Backplane Current: 230 Milliamperes
• Max Continuous Current Per Output: 0.20 Amperes (Sink) and 0.001 Amperes (Source)
• Wiring Arm: 1771-WH
• Model Status: Earlier Model
• Coating: Conformal Coat
• Typical AC Signal Delay (Off): 45 (+/- 15) ms
• Typical DC Signal Delay (Off): 50 ms
• Mounting: Rack Mountable

Applications

The 1771-OGD module is ideal for industrial automation systems requiring reliable TTL signal output, such as:

• Control of low-voltage digital devices
• Signal interfacing in PLC-5 systems
• Applications demanding rapid digital signal processing

Its robust design and compliance with industry standards make it a dependable choice for various automation tasks.