Genuine Allen-Bradley 1756-L55M13 ControlLogix Processor 1.5 MB | Logix5555 Series A – Verified Source
The Allen-Bradley 1756-L55M13 is a high-performance ControlLogix platform processor with 1.5 MB of user memory, widely deployed across critical manufacturing, oil & gas, automotive, and utilities infrastructure worldwide. As a legacy Logix5555 Series A module, genuine units are increasingly scarce on the open market — making this one of the most counterfeited and misrepresented PLC processors in the industrial automation aftermarket. Buyers sourcing from unverified channels routinely encounter relabeled clones, refurbished units sold as new, or modules with corrupted firmware that pass visual inspection but fail under load.
At Konmask, every 1756-L55M13 we supply is sourced exclusively through traceable, documented supply chains. We apply a rigorous multi-step verification protocol before any unit ships, and we back every sale with full documentation — including Certificate of Conformance, test reports, and photographic evidence. Our commitment to genuine, verified, and authentic product supply is not a marketing claim; it is an operational standard enforced on every order.
Technical Specifications
| Part Number | 1756-L55M13 |
| Series | A |
| Processor Family | ControlLogix / Logix5555 |
| User Memory | 1.5 MB |
| I/O Capacity | Up to 128,000 I/O points |
| Communication Ports | 1 × RS-232 (DF1/DH-485), ControlNet/EtherNet/IP via backplane |
| Backplane Compatibility | 1756 ControlLogix chassis (all sizes) |
| Programming Software | RSLogix 5000 / Studio 5000 Logix Designer |
| Operating Temperature | 0 °C to 60 °C (32 °F to 140 °F) |
| Storage Temperature | -40 °C to 85 °C |
| Relative Humidity | 5% to 95% non-condensing |
| Power Consumption | 4.5 W (backplane) |
| Weight | Approx. 350 g |
| Certifications | UL, CE, C-Tick, FM (Class I Div 2) |
Specifications verified against Allen-Bradley / Rockwell Automation official documentation (Publication 1756-TD001).
Our 4-Step Quality Verification Process
Every 1756-L55M13 unit processed by Konmask passes through the following verification stages before dispatch:
- Step 1 — Visual & Label Authentication: Full external inspection against OEM reference standards. Label fonts, holographic security features, catalog number format, date codes, and country-of-origin markings are cross-checked against known-genuine specimens. Any anomaly triggers immediate rejection.
- Step 2 — Firmware & Functional Bench Test: The processor is powered up in a live 1756 chassis. Firmware revision is read and logged. Basic ladder logic execution, I/O scan, and communication port response are verified. Units that fail to boot, report unexpected firmware, or exhibit erratic behavior are quarantined.
- Step 3 — Documentation Traceability Check: We verify the unit’s supply chain documentation — including supplier invoices, packing lists, and country-of-origin declarations — to confirm the product has not passed through grey-market or unauthorized redistribution channels.
- Step 4 — Pre-Ship Inspection & Packaging: Final inspection is conducted immediately before packing. Units are photographed (serial number, label, and board-level if requested), packed in anti-static bags with foam cushioning, and sealed. A Packing List and Certificate of Conformance (COC) are included with every shipment. Test Reports and COO Declarations are available upon request.
Key Features & Benefits
- 1.5 MB User Memory: Supports large, complex control programs with extensive data table capacity — suitable for multi-axis motion, batch, and process control applications.
- Logix5555 Architecture: Delivers deterministic scan-time performance consistent with IEC 61131-3 structured programming standards, ensuring predictable control behavior in safety-critical environments.
- Seamless ControlLogix Ecosystem Integration: Drop-in compatible with all 1756-series chassis, power supplies, and communication modules — no hardware modification required.
- Multi-Protocol Communication: Supports EtherNet/IP, ControlNet, DeviceNet, and DH+ via add-on communication modules, compliant with ODVA EtherNet/IP specification.
- Proven Field Reliability: Deployed in continuous-process industries where MTBF requirements exceed 100,000 hours; validated under IEC 61010-1 safety standards for industrial control equipment.
- RSLogix 5000 / Studio 5000 Compatible: Full programming, online editing, and diagnostics support via Rockwell Automation’s standard development environment — no additional licensing required for basic operation.
Typical Applications
- Oil & Gas: Pipeline SCADA systems, compressor station control, wellhead automation requiring high-memory processors for complex interlocking logic.
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyors, and assembly transfer systems with high I/O point counts.
- Water & Wastewater Treatment: Pump station control, SCADA integration, and chemical dosing systems requiring deterministic scan times.
- Power Generation & Utilities: Turbine control auxiliaries, switchgear automation, and substation protection relay coordination.
- Food & Beverage Processing: Batch recipe management, CIP (Clean-in-Place) sequencing, and packaging line coordination.
- Mining & Minerals: Conveyor drive control, crusher automation, and plant-wide DCS integration via ControlNet backbones.
Compatible System Components
- 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 — ControlLogix Chassis
- 1756-PA72, 1756-PB72 — ControlLogix Power Supplies
- 1756-ENBT, 1756-EN2T — EtherNet/IP Communication Modules
- 1756-CNB, 1756-CNBR — ControlNet Bridge Modules
- 1756-DNB — DeviceNet Scanner Module
- 1756-DHRIO — Data Highway Plus / Remote I/O Module
- 1756-IB16, 1756-OB16E — Digital I/O Modules
- 1756-IF8, 1756-OF8 — Analog I/O Modules
- 1784-U2DHP — USB-to-DH+ Programming Cable
Global Sourcing & Shipping Capabilities
Konmask supplies the 1756-L55M13 to industrial buyers across Asia-Pacific, the Middle East, Southeast Asia, Europe, and the Americas. Our standard export packaging includes:
- Anti-static shielding bag (MIL-PRF-81705 compliant)
- High-density foam insert within a double-wall corrugated export carton
- Desiccant pack for humidity-sensitive long-haul shipments
- Sealed outer carton with tamper-evident tape
Shipments are dispatched via DHL Express, FedEx International Priority, or UPS Worldwide Expedited. Lead time is typically 3–7 business days from order confirmation. Air freight and sea freight consolidation are available for bulk orders. All export documentation (commercial invoice, packing list, COO declaration) is prepared in compliance with destination country customs requirements.
Certifications & Compliance Statement
- UL Listed — Industrial Control Equipment (UL 508)
- CE Marked — EMC Directive 2014/30/EU; Low Voltage Directive 2014/35/EU
- C-Tick / RCM — Australian Communications and Media Authority
- FM Approved — Class I, Division 2, Groups A, B, C, D (Hazardous Locations)
- RoHS Compliant — Directive 2011/65/EU
Konmask Quality Commitment: We do not sell products we cannot document. Every unit shipped from Konmask is accompanied by a Certificate of Conformance stating the part number, serial number range, inspection date, and inspector signature. We maintain traceability records for a minimum of 5 years. If any unit supplied by Konmask is found to be non-genuine upon independent verification, we will provide a full replacement or refund — no dispute required.
How to Order
- Submit Your Inquiry: Contact us via the product page, email [email protected], or WhatsApp/WeChat at +0086 19859288691 with your required quantity, delivery address, and any documentation requirements (COC, test report, photos).
- Receive Quotation & Confirmation: We respond within 24 hours with a formal quotation including unit price, lead time, shipping cost, and available documentation. Stock photos and serial number pre-confirmation are available upon request before payment.
- Order Confirmation & Dispatch: Upon payment confirmation, your order enters our 4-step verification process. Tracking information and pre-shipment photos are sent within 24 hours of dispatch. Sample units and third-party test reports can be arranged for qualified bulk buyers.
Authenticity & Trust FAQ
- Q: How can I verify that the 1756-L55M13 I receive from Konmask is genuine?
- A: Every unit ships with a Certificate of Conformance (COC) documenting the part number, serial number, and inspection outcome. We also provide pre-shipment photographs of the physical label and unit upon request. Once received, the firmware revision can be read directly in RSLogix 5000 / Studio 5000 and cross-referenced against Rockwell Automation’s published revision history. If you have access to a Rockwell Automation distributor, the serial number can be validated through their official product registration system.
- Q: What is Konmask’s warranty policy for this product?
- A: We provide a 12-month warranty against defects in materials and workmanship from the date of shipment. If a unit fails under normal operating conditions within the warranty period, we will arrange a replacement or full refund after reviewing the failure documentation. Our warranty does not cover damage caused by incorrect installation, overvoltage, or unauthorized modification. Extended warranty and on-site support arrangements are available for large-volume customers.
- Q: Can Konmask provide a third-party test report or inspection certificate?
- A: Yes. For qualified orders — typically 3 units or more — we can arrange third-party inspection by a recognized testing laboratory prior to shipment. We can also provide our internal bench-test report documenting power-up results, firmware revision, and communication port response for individual units. Please specify your documentation requirements at the time of inquiry so we can confirm availability and any associated lead time.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
