Allen-Bradley 1771-IM – Universal Voltage Input Module

One Module for AC or DC Signals

The 1771-IM reads 8 high-voltage signals (AC or DC) with industrial-grade protection. Perfect for global equipment with wide voltage tolerance.

Why This Module Wins

• Dual-voltage ready - configure for AC or DC
• Fast response - detects changes in 10-90ms
• Safety first - 1500V electrical isolation
• Energy efficient - uses just 3.5mA per input
• 1-year promise - Rockwell reliability

Technical Superpowers

• Model: 1771-IM
• Inputs: 8 channels (all same type)
• Voltage Range: 184-276V (AC or DC)
• Response Time: 10ms (DC on) to 90ms (DC off)
• Isolation: 1500V AC protection
• Wire Size: Up to 14-gauge
• Temp Range: 0-60°C (32-140°F)

Shipping That Fits Your Needs

• FedEx Express (2-3 days)
• UPS Ground (3-5 days)
• DHL International (5-7 days)

Common Questions

• Q: Can I mix AC and DC on one module?
  A: No - must choose AC or DC for entire module
• Q: What's the minimum voltage it detects?
  A: 184V AC/DC to activate inputs
• Q: How many modules fit in a chassis?
  A: Depends on chassis size - typically 4-8
• Q: Waterproof for outdoor use?
  A: No - indoor/dry locations only
• Q: Need special tools to install?
  A: Just a screwdriver for wiring arm

Pro Tip: Order the 1771-WA wiring arm for easiest installation.