Allen-Bradley D31705-1 A26491-A Circuit Board – AB PLC Control System Module
When a critical circuit board fails on the production floor, every minute of downtime translates directly into lost output, missed delivery commitments, and mounting pressure on maintenance teams. The Allen-Bradley D31705-1 A26491-A is a purpose-engineered circuit board designed to restore control system integrity without compromise — a component that cannot simply be substituted with a generic alternative when precision and reliability are non-negotiable.
Within the Allen-Bradley PLC ecosystem, the D31705-1 A26491-A occupies a well-established position as a proven control circuit board trusted by maintenance engineers and system integrators across discrete manufacturing, process control, and heavy industry worldwide. Allen-Bradley, a Rockwell Automation brand, remains one of the most widely deployed PLC platforms globally, and genuine replacement boards like this one are essential to sustaining long-lifecycle automation infrastructure.
Technical Specifications
- Part Number: D31705-1 A26491-A
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Product Type: Circuit Board / Control Board
- Compatible Platform: Allen-Bradley PLC Series
- Weight: 400 g
- Condition: Available in new and refurbished grades — specify on inquiry
- Lead Time: Subject to stock availability — contact us for current lead time
Note: All specifications are based on manufacturer documentation. Konmask.com does not fabricate or alter technical parameters.
Key Features & Benefits
- OEM-Grade Compatibility: Designed to exact Allen-Bradley specifications, ensuring drop-in replacement without re-engineering.
- Proven Reliability: Manufactured to industrial-grade standards for continuous operation in demanding environments.
- Long-Lifecycle Support: Supports legacy AB PLC installations where original boards are no longer in active production.
- Minimized Downtime: Fast sourcing through Konmask.com’s global supplier network reduces mean time to repair (MTTR).
- Traceability: Each unit is documented with part number and revision markings for maintenance record compliance.
Industry & Equipment Applications
- Automotive assembly lines and body-in-white welding systems
- Food & beverage processing and packaging machinery
- Oil & gas upstream and downstream control panels
- Water treatment and utilities SCADA infrastructure
- Pharmaceutical batch processing and clean-room automation
- Material handling, conveyors, and warehouse automation
- Power generation and electrical distribution switchgear
System Integration & Compatible Parts
The D31705-1 A26491-A is designed for integration within Allen-Bradley PLC control architectures. When sourcing this board, engineers typically also require related components such as Allen-Bradley processor modules, I/O modules, power supply units, and communication interface cards. Konmask.com can assist in sourcing complete bill-of-materials (BOM) packages for full system restoration or upgrade projects. Contact our technical team with your system configuration for compatibility confirmation.
Our Quality Assurance Process
- Source Verification: All units are sourced from vetted suppliers with documented supply chain traceability.
- Visual & Physical Inspection: Each board is inspected for physical damage, corrosion, and component integrity prior to dispatch.
- Part Number Verification: Markings and revision codes are cross-checked against the original manufacturer part number.
- Packaging: Anti-static ESD packaging with protective foam inserts for safe international transit.
- Documentation: Packing list and inspection record included with every shipment.
How to Order
- Submit an inquiry via the Contact / RFQ form on Konmask.com with your required quantity and delivery timeline.
- Our technical team will confirm availability, condition grade, and lead time within 1 business day.
- Receive a formal quotation with pricing, shipping options, and payment terms.
- Confirm the order and arrange payment via your preferred method (T/T, PayPal, or other agreed terms).
- Your order is packed, inspected, and dispatched with full tracking information provided.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- Global Sourcing Network: Access to hard-to-find and obsolete Allen-Bradley components through our international supplier relationships.
- B2B-Oriented Service: Tailored for MRO buyers, system integrators, and plant maintenance teams with volume and project requirements.
- Responsive Technical Support: Engineers available to assist with part identification, cross-referencing, and compatibility questions.
- Secure International Shipping: Experience with export documentation, customs compliance, and reliable logistics partners worldwide.
Frequently Asked Questions
- Q: Is the D31705-1 A26491-A a new or refurbished unit?
- A: We offer both new and professionally refurbished units depending on availability. Please specify your preference when submitting an inquiry and we will confirm current stock condition.
- Q: Can you verify compatibility with my specific Allen-Bradley system?
- A: Yes. Please provide your system model, rack configuration, and existing board revision when contacting us, and our technical team will confirm compatibility before you commit to an order.
- Q: What is the lead time for this part?
- A: Lead time varies based on current stock levels. In-stock units typically ship within 2–5 business days. For out-of-stock items, sourcing lead time is provided at the time of quotation.
- Q: Do you provide a warranty?
- A: Yes. All units come with a standard warranty period. Terms are specified in the quotation and may vary by condition grade. Contact us for details.
- Q: Can I order in bulk or as part of a larger BOM?
- A: Absolutely. Konmask.com regularly fulfills multi-line BOM orders for system integrators and plant turnaround projects. Send us your full parts list for a consolidated quotation.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
{
“@context”: “https://schema.org”,
“@graph”: [
{
“@type”: “Product”,
“name”: “Allen-Bradley D31705-1 A26491-A Circuit Board”,
“description”: “Allen-Bradley D31705-1 A26491-A is an OEM-grade circuit board for AB PLC control systems, supporting long-lifecycle industrial automation infrastructure across manufacturing, oil & gas, and process industries.”,
“sku”: “D31705-1 A26491-A”,
“brand”: {
“@type”: “Brand”,
“name”: “Allen-Bradley”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “Rockwell Automation”
},
“offers”: {
“@type”: “Offer”,
“url”: “https://konmask.com/products/ab-d31705-1-a26491-a-circuit-board-allen-bradley”,
“priceCurrency”: “USD”,
“availability”: “https://schema.org/InStock”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”
}
},
“category”: “Industrial Circuit Board / PLC Module”
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “Is the D31705-1 A26491-A a new or refurbished unit?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “We offer both new and professionally refurbished units depending on availability. Please specify your preference when submitting an inquiry.”
}
},
{
“@type”: “Question”,
“name”: “Can you verify compatibility with my specific Allen-Bradley system?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. Please provide your system model, rack configuration, and existing board revision when contacting us, and our technical team will confirm compatibility.”
}
},
{
“@type”: “Question”,
“name”: “What is the lead time for this part?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Lead time varies based on current stock levels. In-stock units typically ship within 2–5 business days. Sourcing lead time for out-of-stock items is provided at quotation.”
}
},
{
“@type”: “Question”,
“name”: “Do you provide a warranty?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. All units come with a standard warranty period. Terms are specified in the quotation and may vary by condition grade.”
}
},
{
“@type”: “Question”,
“name”: “Can I order in bulk or as part of a larger BOM?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. Konmask.com regularly fulfills multi-line BOM orders for system integrators and plant turnaround projects.”
}
}
]
}
]
}






