Genuine Allen-Bradley 1771-DB Basic Module | PLC-5 I/O Chassis – Verified Source
The Allen-Bradley 1771-DB Basic Module is a foundational I/O chassis component within Rockwell Automation’s PLC-5 platform — one of the most widely deployed programmable logic controller families in heavy industry, utilities, and process automation worldwide. As legacy PLC-5 systems remain operational across critical infrastructure, the 1771-DB has become increasingly scarce through official distribution channels, making the secondary market the primary procurement route for maintenance and MRO teams. This scarcity has unfortunately attracted counterfeit and refurbished-as-new units that carry no warranty, fail functional testing, and introduce unacceptable downtime risk in production environments.
Konmask sources the 1771-DB exclusively through verified industrial surplus channels and authorized regional distributors, applying a documented 4-step quality verification process before any unit is listed or shipped. Every module we supply is genuine, tested, and traceable — with full documentation available upon request. Our listings carry the genuine, verified, and authentic designations only when a unit has passed our internal inspection protocol, ensuring you receive exactly what is described.
Technical Specifications
- Part Number: 1771-DB
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Series: PLC-5 I/O Platform
- Module Type: Basic I/O Chassis Module
- Backplane Compatibility: 1771 Series I/O Chassis
- Communication Interface: PLC-5 Backplane Bus
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% non-condensing
- Power Consumption: Per 1771 chassis power budget specifications
- Mounting: 1771 Series I/O Chassis slot-mount
- Certifications: UL Listed, CE Marked, CSA Certified
- Weight: Approx. 300 g
Specifications verified against Allen-Bradley / Rockwell Automation official documentation (Publication 1771-UM series).
Our 4-Step Quality Verification Process
Every Allen-Bradley 1771-DB unit supplied by Konmask undergoes the following documented inspection before dispatch:
- Step 1 — Visual & Label Authentication: Physical inspection of housing, label print quality, part number engraving, date codes, and Rockwell Automation logo consistency. Counterfeit units typically exhibit label misalignment, incorrect font weights, or missing UL/CE markings — all checked against reference units.
- Step 2 — Functional Power-On Test: Module is seated in a compatible 1771 chassis and powered on to verify backplane communication, LED status indicators, and absence of fault codes. Results are logged with timestamp and technician ID.
- Step 3 — Component-Level Inspection: Internal PCB inspection (where non-destructive access permits) to verify component population, solder joint integrity, and absence of rework or repair indicators inconsistent with factory condition.
- Step 4 — Documentation Package Assembly: Certificate of Conformance (COC), functional test report, country of origin (COO) declaration, and photographic packing list are prepared and available upon request prior to or at time of shipment.
Key Features & Benefits
- Genuine OEM Hardware: Authentic Allen-Bradley manufacture — not refurbished-as-new, not third-party clone. Traceable to original production batch where documentation permits.
- PLC-5 Platform Compatibility: Designed for seamless integration within the 1771 I/O chassis ecosystem, maintaining full backplane protocol compliance per Rockwell Automation Publication 1771-6.5.1.
- Documented Chain of Custody: COC and sourcing records available, supporting your internal procurement audit requirements and ISO 9001 supplier qualification processes.
- Tested Before Shipment: Functional verification eliminates DOA risk — critical for MRO procurement where lead times for alternatives may be weeks or months.
- IEC 61131-2 Compliant Platform: The PLC-5 / 1771 platform meets IEC 61131-2 programmable controller hardware standards, ensuring compatibility with certified automation architectures.
- Long-Term Availability Commitment: Konmask maintains ongoing sourcing relationships for legacy Allen-Bradley components, providing a reliable supply channel beyond standard distribution end-of-life dates.
Typical Applications
- Oil & Gas: Wellhead control panels and pipeline SCADA systems running legacy PLC-5 architectures requiring MRO module replacement.
- Water & Wastewater Treatment: Municipal pump station and filtration plant control systems with long operational lifecycles dependent on 1771 platform continuity.
- Automotive Manufacturing: Body shop and paint line PLCs where PLC-5 systems remain embedded in transfer line and conveyor control logic.
- Power Generation & Utilities: Turbine control auxiliaries and substation automation panels using 1771 I/O chassis for discrete and analog signal management.
- Food & Beverage Processing: Batch control and CIP (Clean-in-Place) systems in facilities where PLC-5 migration has been deferred pending capital expenditure approval.
- Mining & Minerals Processing: Crusher, conveyor, and flotation cell control systems in remote sites where proven legacy hardware reliability is prioritized over modernization.
Compatible System Components
- 1771-A1B / A2B / A3B / A4B — 1771 I/O Chassis (4, 8, 12, 16 slot)
- 1771-P4S / P6S / P7 — 1771 Chassis Power Supplies
- 1771-IAD / OAD / IBD / OBD — 1771 Discrete I/O Modules
- 1771-IFE / OFE — 1771 Analog Input/Output Modules
- 1785-L20B / L40B / L60B / L80B — PLC-5 Processors
- 1771-SN — Remote I/O Scanner Module
- 1784-KTX / KTXD — PLC-5 Communication Interface Cards
Global Sourcing & Shipping Capabilities
Konmask serves industrial buyers across mainland China, Hong Kong SAR, Southeast Asia, the Middle East, Europe, and the Americas. Key logistics details:
- Packaging Standard: Anti-static bag + foam-lined carton + moisture barrier where required. Fragile components are double-boxed with void fill to IEC 60068-2-27 shock protection guidelines.
- Export Documentation: Commercial invoice, packing list, COO declaration, and COC provided as standard. Additional documentation (MSDS, insurance certificate) available on request.
- Lead Time: In-stock units ship within 1–3 business days of order confirmation. ETA for international destinations: 5–15 business days depending on carrier and customs clearance.
- Carriers: DHL Express, FedEx International Priority, SF International, and sea freight consolidation for bulk orders.
Certifications & Compliance Statement
- UL Listed (Underwriters Laboratories) — Industrial Control Equipment
- CE Marked — EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- CSA Certified — Canadian Standards Association
- RoHS Compliance: Per original Allen-Bradley manufacturing specifications
Konmask Quality Commitment: We do not list, sell, or represent any module as genuine unless it has passed our internal 4-step verification process. If a unit does not meet our authenticity standard, it is not offered for sale. We provide full refund or replacement for any unit that fails to match its described condition upon arrival, subject to our returns policy.
How to Order
- Submit Your Enquiry: Contact us via the product page, email support@konmask.com, or WhatsApp/WeChat +0086 19859288691 with your required quantity, delivery destination, and any documentation requirements.
- Receive Quotation & Documentation Preview: We respond within 24 hours with pricing, availability confirmation, and a preview of available COC/test report documentation for your review before commitment.
- Confirm & Ship: Upon order confirmation and payment, your unit is re-inspected, packaged to standard, and dispatched with full export documentation. Tracking number provided same day as shipment.
Sample units and pre-shipment test reports are available for qualified buyers on bulk orders. Contact us to discuss your requirements.
Authenticity & Trust FAQ
Q: How can I verify the 1771-DB I receive is genuine Allen-Bradley and not a counterfeit?
A: Every unit we ship includes a Certificate of Conformance (COC) documenting our inspection findings, photographic evidence of the physical unit, and functional test results. You can cross-reference the part number, date code, and label details against Rockwell Automation’s published specifications. We also welcome pre-shipment video inspection calls for high-value or large-quantity orders.
Q: What is your warranty and return policy for the 1771-DB?
A: We offer a 90-day warranty against DOA (dead on arrival) and functional defects attributable to the unit’s condition at time of shipment. If a module fails within this period under normal operating conditions consistent with its specifications, we provide full replacement or refund. Warranty claims require photographic evidence and, where possible, a fault log from the host PLC system.
Q: Can you provide a test report or COC before I place the order?
A: Yes. For qualified enquiries — particularly from procurement teams, EPC contractors, or buyers with internal supplier qualification requirements — we can provide a documentation preview including COC template, test report format, and available sourcing records prior to order confirmation. Contact us directly to request this.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






