Skip to product information
1 of 3

Allen-Bradley 1771-ASB Remote I/O Adapter Module 5V DC Series B

Allen-Bradley 1771-ASB Remote I/O Adapter Module 5V DC Series B

Regular price $2,424.00 USD
Regular price Sale price $2,424.00 USD
Sale Sold out
Quantity
ConditionSurplus - Untested MPN1771-ASB B Stock #0526-02515

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

Shipping Estimate

Estimated package weight: 10.0 lbs

Select your state above for a shipping estimate.
  • U.S. shipping, securely packaged. Ships in 1-2 Days
  • Questions? Real support team available before purchase
  • Secure checkout with trusted payment methods

The Allen-Bradley 1771-ASB is a Remote I/O Adapter Module designed for use in PLC-2, PLC-3, and PLC-5 control systems within the 1771 I/O chassis platform. Catalog number 1771-ASB B, Series B, Firmware G. The module serves as the communications interface between a remote I/O chassis and a programmable controller, enabling distributed I/O expansion across the control architecture. Backplane power requirement is 1.2 amps at 5VDC. Terminal identification on the module face shows three active connections: Line 1, Shield, and Line 2 for cable connection, plus an IN and RET reset circuit. Made in U.S.A. Serial number SD0FJ8JH is visible on the barcode label. The unit is stored in an antistatic protective bag. No original OEM packaging is present. Compatible chassis include the standard 1771 series I/O chassis. The 1771-ASB supports universal remote I/O communication and is a recognized replacement and spare component for legacy Rockwell Automation PLC installations. MPN 1771-ASB is the market-recognized catalog number for this module. Buyers integrating this into existing PLC-5 or PLC-3 systems should verify series and firmware compatibility with their specific controller configuration prior to installation.

Stock # 0526-02515

Please Note: This unit is surplus inventory, sold as-is from MRO Exchange surplus stock. Allen-Bradley is a trademark of Rockwell Automation, Inc. MRO Exchange is an independent reseller and is not an authorized distributor of Rockwell Automation. Product may differ from units available through authorized distributors in date code, country of origin, packaging, accessories, or firmware revision. The warranty from the manufacturer does not apply.

View full details

Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.