Description
Allen-Bradley 1771-ILK Isolated Analog Input Module for PLC-5 Systems
The 1771-ILK from Allen-Bradley/Rockwell Automation delivers exceptional analog signal acquisition with complete channel isolation. This high-performance module features eight individually isolated differential inputs with 1000V protection. It provides precise measurement capabilities for various voltage and current signals in industrial automation applications.
Technical Specifications
- Brand & Model: Allen-Bradley 1771-ILK
- Module Type: Isolated Analog Input Module
- Input Channels: 8 Differential (1000V Isolation)
- Resolution: 15-bit + Sign (16-bit Effective)
- Update Rate: 500ms for All 8 Channels
- Voltage Ranges: ±10V, ±5V, 0-5V, 0-10V, 1-5V DC
- Current Ranges: ±20mA, 0-20mA, 4-20mA
- Data Format: Natural Binary or ±9999 BCD Scaling
- Backplane Current: 1.3A @ 5V DC
- Isolation Rating: 1000V Channel-to-Channel
- Accuracy: ±0.1% of Full Scale
- Operating Temperature: 0° to 60°C (32° to 140°F)
- Common Mode Rejection: >120dB @ 60Hz
- Noise Immunity: 1500V Surge Protection
Installation & Configuration
- Designed for 1771 series I/O chassis installation
- Includes 1771-WF wiring arm for easy connections
- No external power supply required
- Rack-mountable design for industrial panels
- Conformal coating for harsh environment protection
- Status indicator for module operation monitoring
Packaging & Delivery
- Includes one 1771-ILK module and wiring arm
- Industrial protective packaging ensures safe delivery
- Worldwide shipping via FedEx, UPS, and DHL available
- 12-month comprehensive warranty coverage
Comparison With Related Products
- For analog output requirements, see the 1771-OFE1 Analog Output Module
- For digital input needs, consider the 1771-IVN Digital Input Module
Frequently Asked Questions
- What types of sensors work with this module? It supports various transmitters including pressure, temperature, and flow sensors
- Can I mix voltage and current inputs on one module? Yes, each channel independently configures for voltage or current measurement
- What is the advantage of 1000V isolation? It prevents ground loops and protects against high voltage transients
- How often does the module update all channels? It refreshes all 8 channels every 500 milliseconds
- Does the module require signal conditioning? No, it includes built-in filtering and isolation for direct sensor connection
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