Allen-Bradley 1771-IBD 16-Point DC Input Module | Sinking Input Card

Allen-Bradley 1771-IBD | 16-Channel Sinking DC Input Module

The Allen-Bradley 1771-IBD is a robust 16-point DC input module manufactured by Rockwell Automation. It is designed to interface with a wide array of field devices such as switches, sensors, and pushbuttons in industrial automation systems. This module is compatible with all 1771 I/O chassis except the 1771-A1, -A2, and -A4 models, offering flexibility and reliable performance for your control applications.

Technical Specifications

• Brand & Manufacturer: Allen-Bradley (Rockwell Automation)
• Model: 1771-IBD
• Input Type: 16-point Sinking DC Input
• Operating Voltage: 10-30 VDC
• On-State Voltage: Min. 10 VDC
• Off-State Voltage: Max. 5 VDC
• Input Current: 4.5mA @ 10VDC, 15mA @ 30VDC
• Off-State Current: 2.0 mA @ 5VDC (max)
• Response Time: 1 ms (OFF to ON), 1 ms or 6 ms (ON to OFF)
• Backplane Current: 130mA @ 5VDC
• Power Dissipation: 7.3W (max), 1.0W (min)
• Thermal Dissipation: 24.7 BTU/hr (max), 3.4 BTU/hr (min)
• Keying: Between pins 10-12 and 16-18
• Wiring Arm: 1771-WH (Torque: 7-9 inch-pounds)

Compatibility & Installation

• Compatible with all 1771 I/O chassis except 1771-A1, -A2, and -A4
• Supports ½, 1, and 2-slot I/O addressing
• Designed for source-switching field devices (e.g., dry-contact switches, pushbuttons)

Packaging & Shipping

• 1 x 1771-IBD Input Module
• Shipping Options: FedEx, UPS, or DHL

Frequently Asked Questions (FAQ)

• What devices can I connect to the 1771-IBD module?
  You can connect various field devices like dry-contact switches, selector switches, pushbuttons, and sensors.
• Is the 1771-IBD compatible with all 1771 chassis?
  It works with all 1771 I/O chassis except the 1771-A1, A2, and A4 models.
• What is the typical response time of this module?
  The input delay is 1 ms for OFF to ON transitions and either 1 ms or 6 ms for ON to OFF transitions.
• Does the module offer electrical protection?
  Yes, it features optoelectrical isolation and input filtering for protection against voltage transients and noise.