Allen-Bradley 1756-A10 10-Slot Backplane Chassis – ControlLogix Series
When a ControlLogix chassis fails or is missing from a production line, the consequences are immediate and severe: entire automation cells go dark, PLCs lose their physical backbone, and I/O modules become orphaned hardware with no path to the controller. Conveyor systems halt, robotic arms freeze mid-cycle, and process variables go unmonitored — every minute of unplanned downtime translates directly into lost output and escalating maintenance costs. The Allen-Bradley 1756-A10 chassis is not a peripheral accessory; it is the structural and electrical foundation upon which the entire ControlLogix control system is built.
Within the ControlLogix 1756 family — Rockwell Automation’s flagship programmable automation controller platform — the 1756-A10 occupies the mid-range sweet spot: large enough to host a full-featured control system with redundant power supplies, communication modules, and multiple I/O modules, yet compact enough for panel-space-conscious installations. Globally, the ControlLogix platform is deployed across tens of thousands of facilities in automotive, oil & gas, food & beverage, water treatment, and discrete manufacturing, making the 1756-A10 one of the most widely specified chassis in industrial automation history.
Technical Specifications
- Part Number: 1756-A10
- Series: Allen-Bradley ControlLogix (1756)
- Number of Slots: 10
- Backplane Type: ControlLogix high-speed backplane
- Weight: 1,850 g (approx.)
- Compatible Power Supplies: 1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75, and other 1756-series PSUs
- Module Compatibility: All 1756-series ControlLogix modules (controllers, I/O, communication, motion)
- Mounting: DIN rail or panel mount
- Manufacturer: Rockwell Automation / Allen-Bradley
Note: Specifications above are based on published Rockwell Automation documentation. Always verify against the official product datasheet for your specific revision.
Key Features & Benefits
- 10 Universal Slots: Accommodates any combination of 1756-series controllers, I/O adapters, communication modules, and motion modules — no slot restrictions.
- High-Speed Backplane: The ControlLogix backplane provides high-bandwidth, deterministic communication between all installed modules, ensuring real-time data exchange critical for process control.
- Dual Power Supply Capability: Supports redundant power supply configurations (with appropriate 1756-series PSUs) to eliminate single points of failure in mission-critical applications.
- Hot-Swap Module Support: Modules can be inserted and removed under power (with appropriate precautions), minimizing maintenance downtime.
- Scalable Architecture: Multiple chassis can be interconnected via ControlNet or EtherNet/IP to scale the system beyond 10 slots without architectural redesign.
- Proven Global Reliability: Part of the world’s most widely deployed PAC platform, with decades of field-proven performance across harsh industrial environments.
Industry & Equipment Applications
- Automotive Manufacturing: Body welding lines, paint shop conveyors, powertrain assembly cells
- Oil & Gas: Pipeline SCADA systems, compressor station control, wellhead automation
- Food & Beverage: Batch processing, CIP (Clean-in-Place) systems, packaging lines
- Water & Wastewater: Pump station control, filtration process automation, SCADA integration
- Discrete Manufacturing: Machine tool control, press automation, material handling systems
- Power Generation & Utilities: Turbine control auxiliaries, substation automation support systems
System Integration & Compatible Parts
The 1756-A10 chassis is the foundation of a complete ControlLogix system. Commonly paired components include:
- Controllers: 1756-L71, 1756-L72, 1756-L73, 1756-L74, 1756-L75, 1756-L81E, 1756-L82E, 1756-L83E, 1756-L84E, 1756-L85E
- Power Supplies: 1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75
- Digital I/O: 1756-IB16, 1756-OB16E, 1756-IA16, 1756-OA16
- Analog I/O: 1756-IF8, 1756-OF8, 1756-IF16
- Communication Modules: 1756-EN2T, 1756-EN2TR, 1756-CN2, 1756-DNB
- Motion Modules: 1756-M02AE, 1756-M03SE
Our Quality Assurance Process
- Source Verification: All units are sourced from authorized distributors or verified surplus channels with full traceability documentation.
- Visual & Physical Inspection: Each chassis is inspected for backplane connector integrity, slot guide condition, and housing damage before listing.
- Authenticity Check: Serial number and date code verification against Rockwell Automation records where applicable.
- Secure Packaging: Anti-static packaging with foam cushioning to prevent transit damage to the backplane connectors.
- Documentation: Certificate of conformance and inspection report available upon request.
How to Order
- Submit an inquiry via the Contact Us form or email [email protected] with your required quantity and delivery timeline.
- Our technical team will confirm availability, lead time, and provide a formal quotation within 1 business day.
- Upon PO confirmation, we arrange secure packaging and international shipping with full tracking.
- Post-delivery support is available for installation guidance and system integration questions.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- B2B-First Service: Dedicated support for OEMs, system integrators, MRO procurement teams, and plant engineers.
- Global Shipping: Reliable international logistics to Asia, Europe, the Middle East, and the Americas.
- Competitive Lead Times: Extensive supplier network enables fast sourcing even for discontinued or hard-to-find part numbers.
- Technical Expertise: Our team can advise on compatible modules, firmware compatibility, and system architecture — not just part numbers.
- Transparent Quotation: No hidden fees. Clear pricing, lead time, and terms on every quotation.
Frequently Asked Questions
Q: What is the difference between the 1756-A10 and the 1756-A7?
A: The 1756-A7 provides 7 slots while the 1756-A10 provides 10 slots. Both use the same ControlLogix backplane architecture and are compatible with the same 1756-series modules. The 1756-A10 is preferred when more I/O or communication modules are required in a single chassis.
Q: Can I use the 1756-A10 with both older and newer ControlLogix controllers?
A: Yes. The 1756-A10 chassis is compatible with all generations of 1756-series ControlLogix controllers, from early L5x series through the current L8xE series, subject to firmware and hardware revision compatibility. Always consult the Rockwell Automation compatibility matrix for your specific controller revision.
Q: Is the 1756-A10 suitable for SIL-rated safety applications?
A: The standard 1756-A10 is not a safety-rated chassis. For SIL 2/3 applications, Rockwell Automation offers the GuardLogix platform (1756-LSP, 1756-L7SP) which requires specific safety-rated chassis configurations. Contact us to discuss your safety system requirements.
Q: Do you supply new, refurbished, or surplus units?
A: We supply new-in-box, factory-surplus, and professionally refurbished units depending on availability. The condition is clearly stated in every quotation. All units pass our quality inspection process regardless of condition grade.
Q: What is the typical lead time for the 1756-A10?
A: Lead time varies by stock availability. In-stock units typically ship within 3–5 business days internationally. For sourced units, lead time is typically 2–4 weeks. Contact us for a real-time availability check.
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