Description
Allen-Bradley 1771-IGD TTL Input Module
Connect digital devices with precision using the versatile 1771-IGD TTL input module. This 16-channel module offers flexible logic selection for your control system needs.
Key Features
- 16 input channels for multiple device connections
- Selectable logic levels (positive or negative)
- Fast response time under 1 millisecond
- Wide compatibility with 1771 chassis systems
- Built-in protection with fuse safety
Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1771-IGD
- Input Channels: 16 TTL inputs
- Voltage Level: 5V DC operation
- Positive Logic: On=2.0-5.25V, Off=-0.2-0.8V
- Negative Logic: On=-0.2-0.8V, Off=2.0-5.25V
- Response Time: <1ms
- Backplane Current: 130 mA @ 5V DC
- Isolation Rating: 1500V AC RMS
- Power Dissipation: 0.4-2.7 Watts
- Operating Temperature: 0-60°C (32-131°F)
- Wiring Arm: 1771-WH (included)
- Fuse Protection: 0.5A/250V fuse included
Frequently Asked Questions
- What does TTL mean? Transistor-Transistor Logic – a common digital signal standard.
- Can I change the logic type? Yes, simply change the jumper setting on the module.
- What devices connect to this module? Perfect for sensors, switches, and digital controllers.
- Is installation difficult? No, it plugs directly into compatible 1771 chassis.
- What warranty do you offer? We provide a 12-month warranty on this 1771-IGD module.
Shipping & Support
We ship worldwide via FedEx, UPS, and DHL. Our technical team can help with your 1771-IGD installation and configuration.
Compatible Products
This module works with these Allen-Bradley products:
1771-A4B 16-Slot Chassis
1771-ACN ControlNet Adapter
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