Allen-Bradley 1771-IBD 16-Point 10-30VDC Sink Input Module

Allen-Bradley 1771-IBD 16-Point DC Input Module – Reliable Signal Interface

Key Technical Specifications

• Manufacturer:Brand: Allen-Bradley. Catalog No. 1771-IBD features sixteen inputs with 10-30VDC operating range.
• Minimum On-state voltage: 10VDC; maximum Off-state voltage: 5VDC. Off-state current ≤ 2.0mA ensures reliable Off detection.
• Input delay times: OFF to ON transition takes only 1ms. ON to OFF you can select 1ms or 6ms to match your application needs.
• Power dissipation ranges from 1.0W (min) to 7.3W (max). Thermal dissipation: 3.4 to 24.7 BTU/hr.
• Backplane current at 5V DC is 130mA ( +5% ). The module occupies a single slot in any 1771 chassis except models A1, A2, and A4.
• Keying bands locate between pins 10 and 12 (lower) and between pins 16 and 18 (upper) for correct slot placement.
• Includes optoelectrical isolation and input filtering to reject electrical noise and protect backplane circuits.
• Front panel shows one green status LED and sixteen red input status LEDs for instant diagnostics.
• Dimensions: 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm).

Package Contents & Shipping

• Each order includes one 1771-IBD module with front panel and LED indicators.
• Comes with a 1771-WH wiring arm (installed or in the box depending on stock).
• We ship with FedEx, UPS, or DHL express. Typical dispatch within 5 working days.
• All items are brand new and in original packaging. No certificate or warranty card included to keep focus on the module.
• Inventory available: we hold stock for immediate shipment.

FAQ – Frequently Asked Questions

• Q: Is the 1771-IBD compatible with 24V DC sensors? A: Yes, the 1771-IBD operates from 10-30V DC, making it perfect for 24V DC sink output sensors.
• Q: What is the difference between the two OFF-to-ON delay selections? A: You can set the OFF delay to 1ms (fast response) or 6ms (debounced for noisy signals). This module offers field-selectable filtering.
• Q: Can I use this module in a 1771-A1 chassis? A: No, the 1771-IBD does not fit 1771-A1, -A2, or -A4 chassis. It works in all other 1771 racks.
• Q: Does the package include a wiring arm? A: Yes, the 1771-IBD ships with a 1771-WH wiring arm. Replacement part number is also 1771-WN.
• Q: What is the return policy? A: We accept returns within 30 days. The module must be unused and in original packaging.

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