Allen-Bradley 1771-IAD 16-Channel AC/DC Input Module

Allen-Bradley 1771-IAD Digital Input Module

The 1771-IAD digital input module adds reliable signal acquisition to your PLC-5 system. This industrial-grade module accepts both AC and DC input signals for maximum flexibility.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1771-IAD
• Input Channels: 16 channels
• Voltage Range: 79-138V AC/DC
• Response Time: 3ms (ON), 25ms (OFF)
• Backplane Current: 195mA @ 5V DC
• Power Dissipation: 8.8W maximum
• Operating Temperature: 0-60°C (32-140°F)
• Isolation: 1500V AC optical isolation
• Dimensions: 3.5″ x 6.5″ x 2.0″

Compatible Chassis

• 1771-A1B, A2B, A3B, A3B1, A4B
• 1771-AM1 and AM2 chassis

Package Contents

• One (1) Allen-Bradley 1771-IAD Input Module
• 1771-WH wiring arm
• Installation guide

Shipping & Warranty

• Includes 12-month warranty
• Worldwide shipping via FedEx, UPS, and DHL
• Orders ship within 1-2 business days

Frequently Asked Questions

• Q: What types of signals can this module accept?
  A: It accepts both 120V AC and DC input signals from various devices.
• Q: How many input points does this module have?
  A: The 1771-IAD provides 16 individual input channels.
• Q: What is the response time of this module?
  A: Response time is 3ms for ON state and 25ms for OFF state.
• Q: Does this module include status indicators?
  A: Yes, it has 16 red status LEDs plus a green module active indicator.
• Q: Can I replace the module without rewiring?
  A: Yes, the included 1771-WH wiring arm allows easy replacement.