Description
Allen-Bradley 1771-IAD Digital Input Module | 16-Channel AC/DC Versatility
The Allen-Bradley 1771-IAD delivers exceptional flexibility with 16 input channels accepting both AC and DC signals. This high-density module from Rockwell Automation provides reliable discrete input capabilities for PLC-5 control systems in diverse industrial applications.
Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model Number: 1771-IAD
- Product Type: Digital AC/DC Input Module
- Series Compatibility: PLC-5 Series D
- Input Channels: 16 Independent Inputs
- Voltage Rating: 120V AC/DC
- AC Operating Range: 79-138V AC, 50/60 Hz
- DC Operating Range: 79-138V DC
- Backplane Current: 195 mA @ 5V
- AC Off-State Current: 2.8 mA Maximum
- DC Off-State Current: 0.8 mA Maximum
- AC Response Time (On): 5ms (±3ms) or 20ms (±5ms) selectable
- DC Response Time (On): 3ms (±0.1ms) or 10ms (±1ms) selectable
- Response Time (Off): 25ms (±5ms) for AC/DC
- Power Dissipation: 1.0W Minimum, 8.8W Maximum
- Thermal Dissipation: 3.42-30.1 BTU/hr
- Isolation Voltage: 1500V AC Input-to-Backplane
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Status Indicators: 16 Red Input LEDs + 1 Green Module Active
- Dimensions: 89mm × 165mm × 51mm (3.5″ × 6.5″ × 2.0″)
- I/O Addressing: ½, 1, and 2-Slot Configurations
Compatible Chassis
- 1771-A1B, A2B, A3B, A3B1, A4B Series Chassis
- 1771-AM1 and AM2 Universal I/O Chassis
- Other 1771 platform compatible enclosures
- Requires keying between pins 10-12 or 14-16
- Designed for seamless integration with PLC-5 processors
Installation Advantages
- Includes 1771-WH wiring arm for easy maintenance
- Modular wiring simplifies installation and replacement
- Field wiring arm functions like removable terminal blocks
- Space-efficient design maximizes chassis capacity
- Clear status indicators facilitate troubleshooting
Packaging & Delivery
- Each 1771-IAD module includes comprehensive documentation
- Secure packaging ensures protection during transit
- Worldwide shipping via FedEx, UPS, and DHL carriers
- Express delivery options available for urgent requirements
- Standard order processing within 1-2 business days
Frequently Asked Questions
- Q: How many input channels does the 1771-IAD provide?
A: The module offers 16 independent input channels for maximum flexibility - Q: What voltage ranges does this module support?
A: The 1771-IAD accepts both AC and DC signals from 79-138V - Q: Can I select different response times for inputs?
A: Yes, the module offers selectable response times for different applications - Q: What chassis are compatible with this module?
A: It works with 1771-A1B through A4B and 1771-AM1/AM2 chassis - Q: Does the module include status indicators?
A: Yes, it features 16 red input LEDs and 1 green module active indicator
Comparison Products
Explore other Allen-Bradley modules: 1771-HSAR Servo Controller and 1771-HSARS Servo Controller.
© 2025 PLCDCS HUB Limited. All rights reserved.
Original Source: https://plcdcshub.com/
Support, Inquiry, Contact: +86 158 8020 0923
0.0 Average Rating Rated (0 Reviews)