1771-IGD Module by Allen-Bradley – Versatile 16-Point

Allen-Bradley 1771-IGD | 16-Channel TTL Input Module with Dual Logic

The Allen-Bradley 1771-IGD is a special TTL input module for precise control systems. It offers sixteen input channels with both positive and negative logic selection. This module works with many 1771 chassis for flexible installation.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1771-IGD
• Input Channels: 16 points
• Input Type: TTL Digital Input
• Operating Voltage: 5.0-5.3 VDC ±0.25V
• Positive Logic: On=2.0-5.25V, Off=-0.2-0.8V
• Negative Logic: On=-0.2-0.8V, Off=2.0-5.25V
• Response Time: < 1 ms
• Backplane Current: 130 mA @ 5VDC
• Power Dissipation: 2.7W (max), 0.4W (min)
• Isolation Voltage: 1500V AC RMS
• Operating Temperature: 0-60°C (32-131°F)
• Wiring Arm: 1771-WH
• Fuse Protection: 0.5A 250V

Compatibility Information

• 1771-A1B, A2B, A3B, A3B1, A4B Series A/B
• 1771-AM1, 1771-AM2 I/O Chassis
• TTL and BCD interface applications
• Encoder and digital sensor connections

Package Contents & Shipping

• 1 x 1771-IGD TTL Input Module
• 1 x 1771-WH Wiring Arm
• Shipping: FedEx, UPS, DHL Available
• Warranty: 12 Months

Frequently Asked Questions

• What does selectable logic mean?
  You can choose between positive or negative logic operation with a simple jumper setting.
• Can this module handle both AC and DC signals?
  No, it is designed specifically for 5V TTL DC signals only.
• What protection features does it have?
  It includes a fuse for surge protection and optical isolation for safety.
• How do I know if my signal is detected?
  16 LED indicators show the status of each input channel.
• What wire should I use with this module?
  Use 14 AWG stranded copper wire with 60°C insulation rating.

Contact Information

• Email: sales@powergearx.com
• Phone: +86 180 3000 5825

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