Description
Allen-Bradley 1771-IA Digital Input Module
The Allen-Bradley 1771-IA is an 8-channel input module for PLC-5 control systems. It handles both AC and DC signals, making it versatile for various industrial applications. This reliable module connects sensors and switches to your automation system.
Technical Specifications
Brand: Allen-Bradley
Model: 1771-IA
Series: PLC-5
Type: Digital Input Module
Channels: 8 inputs
Voltage: 120V AC/DC
AC Range: 87-138V AC
DC Range: 97-138V DC
Current Draw: 75 mA (backplane)
Response Time: 10-24 ms
Isolation: Optoelectrical protection
Wiring Arm: 1771-WA included
Power Use: 10.7W maximum
Operating Temp: 0-60°C
Certifications: UL, CSA, CE
Dimensions: 3.5 x 6.5 x 2.0 inches
Warranty & Shipping
We provide a 12-month warranty on this product
We ship worldwide using FedEx, UPS, and DHL
Frequently Asked Questions
- Q: What types of signals can it handle?
A: It works with both 120V AC and 125V DC input signals. - Q: How many devices can I connect?
A: It has 8 independent input channels for connecting multiple devices. - Q: Is the wiring arm included?
A: Yes, it comes with the 1771-WA wiring arm for easy connection. - Q: What is the response time?
A: AC signals take about 24ms, DC signals respond in 10-20ms. - Q: Can I replace it without rewiring?
A: Yes, the wiring arm disconnects for easy module replacement.
Compare With Other Products
The 1771-IA is an input module, while other 1771 products like the 1771-CFM Flow Meter or 1771-HD Teach Pendant serve different functions in control systems.
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