Allen-Bradley DC Input Module - 8 Channel Interface 1771-IH
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Allen-Bradley 1771-IH DC Input Module - Versatile 24-48V Industrial Solution
Upgrade your control system with the reliable 1771-IH module. This 8-channel DC input module handles 24-48V signals with consistent performance. Perfect for various industrial applications requiring robust signal interface.
Key Advantages
- Wide voltage range: 24-50V DC
- 8 independent input channels
- Clear status indicators for each input
- Easy maintenance with wiring arm
- Rugged industrial design
Technical Specifications
Brand: Allen-Bradley/Rockwell Automation
Model: 1771-IH Series
Module Type: Digital DC Input
Input Points: 8 Channels
Voltage Range: 24-50V DC
Voltage Category: 10-60V DC Sink
Input Current: 8.4mA @ 24V, 20mA @ 48V
Response Time: 15ms On / 20ms Off
Backplane Current: 74mA
Off-State Current: 0.7mA Maximum
Isolation Voltage: 1500V AC RMS
Input Impedance: 2.5-6K Ω
Power Dissipation: 0.4W Min / 8.1W Max
Operating Temperature: 0-60°C (32-140°F)
Wiring Arm: 1771-WD
Quick Installation
Rack mountable design
Simple slot installation
Uses 1771-WD wiring arm
Standard 1771 I/O chassis compatible
Typical Applications
Industrial control systems
Machine automation
Process control interfaces
Equipment monitoring
Package Includes
1771-IH Input Module
1771-WD Wiring Arm
Required documentation
Customer Support
12 Month Comprehensive Warranty
Express shipping: FedEx, UPS, DHL available
Common Questions
What voltage range does this module support?
The 1771-IH operates with DC voltages from 24 to 50 volts, making it suitable for various industrial applications.
How many status indicators are provided?
Eight red status indicators allow easy monitoring of each input channel's activation status.
What is the isolation rating for safety?
The module provides 1500V AC RMS isolation to protect system circuits from electrical transients.
Can this module handle higher voltage spikes?
Yes, the 1771-IH is rated for voltages up to 60V DC in the sink configuration for added durability.
What is the typical response time?
Input signals are processed within 15-20 milliseconds, ensuring timely system responses.
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