Description
Allen-Bradley 1771-IAN Digital Input Module
The Allen-Bradley 1771-IAN is a high-density input module for PLC-5 control systems. With 32 input channels, it handles multiple field devices in a single slot. This reliable module connects switches and sensors to your automation system efficiently.
Key Benefits
- 32 input channels in compact design
- Handles 120V AC signals
- Easy module replacement with wiring arm
- LED status indicators for all channels
- Built-in noise protection
Technical Specifications
Brand: Allen-Bradley
Model: 1771-IAN
Series: PLC-5
Type: Digital Input Module
Input Channels: 32 (4 groups of 8)
Voltage: 120V AC
Operating Range: 85-138V AC
Backplane Current: 280 mA
Response Time: 10ms ON, 20ms OFF
Off-State Current: 3.0 mA max
Power Dissipation: 7W maximum
Wiring Arm: 1771-WN included
Isolation: Optoelectrical protection
Operating Temp: 0-60°C
Dimensions: 3.5 x 6.5 x 2.0 inches
Slot Addressing: ½ or 1-slot
Installation Guide
Install in 1771 I/O chassis
Use included 1771-WN wiring arm
Connect field devices to input terminals
Verify voltage range (85-138V AC)
Check LED indicators for signal status
Configure slot addressing properly
Compatible Devices
Works with various field devices:
• Pushbuttons and limit switches
• Pilot lights and indicators
• Motor starter contacts
• Sensor outputs
• Control switches
Warranty & Shipping
We provide a 12-month warranty on this product
We ship worldwide using FedEx, UPS, and DHL
Frequently Asked Questions
- Q: How many devices can I connect?
A: It has 32 input channels for connecting multiple field devices. - Q: What voltage does it support?
A: It works with 120V AC signals in the 85-138V range. - Q: Is the wiring arm included?
A: Yes, it comes with 1771-WN wiring arm for easy installation. - Q: What is the response speed?
A: It responds in 10ms for ON signals and 20ms for OFF signals. - Q: Can I replace it without rewiring?
A: Yes, the wiring arm allows easy module replacement.
Compare With Other Products
The 1771-IAN is an input module, while other 1771 products like the 1771-HSN Servo Controller or 1771-HT Motion Controller handle different functions in control systems.
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