Description
Allen-Bradley 1771-IN AC/DC Input Module for PLC-5 Systems
The 1771-IN from Allen-Bradley/Rockwell Automation is a versatile 24V AC/DC input module designed for industrial control applications. This 8-channel module provides reliable signal conversion for various field devices while offering excellent noise immunity and isolation. It serves as a cost-effective solution for expanding your PLC-5 system’s input capabilities.
Technical Specifications
- Brand & Model: Allen-Bradley 1771-IN
- Module Type: Digital AC/DC Input Module
- Input Channels: 8 Isolated Channels
- Operating Voltage: 12-28V AC Only
- Voltage Category: 24V AC/DC Compatible
- Backplane Current: 80mA @ 5V DC
- Off-State Current: 2.8mA Maximum
- Response Time: 18ms (±10ms) On/Off
- Power Dissipation: 0.4W Min, 5.4W Max
- Isolation Rating: 1500V AC RMS
- Input Frequency: 47-63Hz Standard
- Operating Temperature: 0° to 60°C (32° to 140°F)
- Status Indicators: 8 Individual LED Indicators
- Noise Immunity: 1000V/μs Common Mode Rejection
Installation & Configuration
- Requires only one slot in 1771 series I/O chassis
- Includes 1771-WA wiring arm for easy installation
- Rack-mountable design for industrial control panels
- Optical isolation provides excellent noise immunity
- Filter circuits enhance signal integrity and reliability
- Fault mode selection via configuration plug
Packaging & Delivery
- Includes one 1771-IN module and wiring arm
- Industrial-grade packaging ensures safe transportation
- Global shipping via FedEx, UPS, and DHL available
- 12-month product warranty for customer assurance
Comparison With Related Products
- For DC output requirements, see the 1771-OBN DC Output Module
- For additional output options, consider the 1771-OC DC Output Module
Frequently Asked Questions
- What types of field devices work with this module? It compatible with standard 24V AC industrial sensors and switches
- Can this module handle DC voltage inputs? No, it designed exclusively for 12-28V AC input signals only
- What is the maximum operating frequency? The module supports standard 47-63Hz power frequencies
- How many status indicators does it have? It features eight individual LEDs for channel status monitoring
- Does the module include surge protection? Yes, it features 1500V isolation for transient voltage protection
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