Genuine Allen-Bradley 1756-L55M14 ControlLogix Logix5555 Processor | Series B – Verified Source
The Allen-Bradley 1756-L55M14 is a high-performance ControlLogix Logix5555 processor with 3.5 MB of user memory, widely deployed across critical manufacturing, oil & gas, water treatment, and automotive assembly applications worldwide. As one of the most specified processors in the Rockwell Automation ControlLogix platform, the 1756-L55M14 commands a premium on the secondary market — making it a frequent target for counterfeit units, refurbished-as-new misrepresentation, and grey-market substitutions that carry serious operational and safety risks.
At Konmask, every 1756-L55M14 unit is sourced exclusively through verified supply channels and subjected to our multi-step authenticity verification protocol before dispatch. We supply only genuine, authentic, original Allen-Bradley hardware — never cloned, relabelled, or reconditioned without disclosure. Our verified sourcing process ensures that what you receive matches Rockwell Automation’s published specifications exactly, protecting your system integrity and your investment.
Technical Specifications
| Catalog Number | 1756-L55M14 |
| Brand | Allen-Bradley (Rockwell Automation) |
| Series | ControlLogix / Logix5555 |
| User Memory | 3.5 MB |
| I/O Data Memory | 478 KB |
| Tasks Supported | 32 (1 continuous, 31 periodic/event) |
| Programs per Task | 100 |
| Communication Ports | 1 × RS-232 (DF1/DH-485) |
| Backplane Current Draw | 800 mA @ 5 VDC; 3 mA @ 24 VDC |
| 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 |
| Certifications | UL, CE, C-Tick, FM Class I Div 2 |
| Weight | Approx. 400 g |
| Form Factor | Single-slot ControlLogix chassis module |
Specifications verified against Allen-Bradley official documentation (Publication 1756-TD001).
Our 4-Step Quality Verification Process
Every 1756-L55M14 unit shipped by Konmask passes through the following verification stages:
- Step 1 — Physical Authenticity Inspection: Label integrity, holographic markings, catalog number engraving, and housing mould consistency are checked against known-genuine reference units. Any sign of re-labelling, sanding, or repainting triggers immediate rejection.
- Step 2 — Functional Power-On Test: Each processor is bench-powered in a live ControlLogix chassis. Firmware version, memory capacity, and backplane communication are confirmed against Rockwell Automation’s published specifications.
- Step 3 — Documentation Package Assembly: A Certificate of Conformance (COC), packing list, and Country of Origin (COO) declaration are prepared for each unit. Test report photos are available upon request prior to shipment.
- Step 4 — Secure Export Packaging: Units are packed in anti-static foam-lined boxes with moisture-barrier bags, desiccant packs, and tamper-evident sealing. Outer cartons are labelled with full traceability information.
Key Features & Benefits
- 3.5 MB User Memory: Supports large, complex ladder logic and structured text programs without memory constraints — ideal for multi-axis and multi-process applications.
- Multi-Tasking Architecture: Executes up to 32 concurrent tasks (IEC 61131-3 compliant), enabling deterministic control of parallel production lines.
- Seamless ControlLogix Ecosystem Integration: Fully compatible with 1756-series I/O, communication, and motion modules — no firmware bridging required.
- RS-232 Serial Port: Supports DF1 full-duplex and DH-485 protocols for legacy device integration and HMI connectivity per EIA-232 standard.
- Proven Industrial Reliability: Designed to IEC 61010-1 safety standards with FM Class I Division 2 certification for use in hazardous environments.
- Battery-Backed Memory Retention: Retains program and data memory during power loss, minimising restart downtime in critical production environments.
Typical Applications
- Automotive Assembly: Body-in-white welding lines and paint shop conveyor sequencing requiring high-speed, multi-task coordination.
- Oil & Gas: Wellhead control panels and pipeline SCADA systems operating in Class I Div 2 hazardous areas.
- Water & Wastewater Treatment: Pump station automation and chemical dosing control with redundant I/O architectures.
- Food & Beverage: CIP (Clean-in-Place) sequence control and filling line management with hygienic-area I/O integration.
- Power Generation: Turbine governor control and switchgear automation requiring deterministic scan times.
- Pharmaceutical Manufacturing: Batch process control compliant with FDA 21 CFR Part 11 audit trail requirements.
Compatible System Components
- 1756-A7 / 1756-A10 / 1756-A13 / 1756-A17 — ControlLogix Chassis
- 1756-PA72 / 1756-PB72 — ControlLogix Power Supplies (AC/DC)
- 1756-ENBT / 1756-EN2T — EtherNet/IP Communication Modules
- 1756-DNB — DeviceNet Bridge Module
- 1756-IB16 / 1756-OB16E — Digital Input/Output Modules
- 1756-IF8 / 1756-OF8 — Analog Input/Output Modules
- 1784-CF64 — CompactFlash Memory Card (program backup)
- 1756-BATM — Battery Module for memory retention
Global Sourcing & Shipping Capabilities
Konmask supplies the 1756-L55M14 to industrial buyers across Asia-Pacific, the Middle East, Europe, and the Americas. Our standard export packaging meets ISTA 2A transit testing requirements. Shipments are dispatched via DHL Express, FedEx International Priority, or sea freight (LCL/FCL) depending on order volume and urgency. All export documentation — including commercial invoice, packing list, COO declaration, and COC — is prepared in compliance with destination country import requirements. Lead time for in-stock units is typically 3–7 business days door-to-door for express shipments.
Certifications & Compliance Statement
- UL Listed (UL 508)
- CE Marked (Low Voltage Directive 2014/35/EU; EMC Directive 2014/30/EU)
- C-Tick (Australian Communications and Media Authority)
- FM Approved — Class I, Division 2, Groups A, B, C, D
- IEC 61131-3 Programming Standard Compliant
Konmask Quality Commitment: We do not sell repaired, reconditioned, or firmware-downgraded units as new. Every unit is supplied with a written authenticity declaration. If any unit fails to match published Allen-Bradley specifications upon receipt, we provide full replacement or refund — no questions asked.
How to Order
- Submit Your Enquiry: Contact us via the product page, email [email protected], or WhatsApp/phone at +0086 19859288691 with your required quantity and delivery destination.
- Receive Quotation & Documentation Preview: We respond within 24 hours with a formal quotation, stock confirmation, and — upon request — pre-shipment photos, test report, and COC for your review.
- Confirm & Ship: Upon order confirmation and payment, your unit is packed, documented, and dispatched with full tracking. Sample units and third-party inspection arrangements are available for large-volume orders.
Authenticity & Trust FAQ
Q: How can I verify that the 1756-L55M14 I receive is genuine Allen-Bradley?
A: Every unit ships with a Certificate of Conformance and pre-shipment inspection photos. You can cross-reference the catalog number, series letter, and firmware version against Rockwell Automation’s official documentation. We also welcome third-party inspection prior to shipment for large orders.
Q: What is your warranty policy on this processor?
A: All units carry a 12-month warranty against manufacturing defects and authenticity discrepancies from the date of shipment. If a unit fails to power on or does not match published specifications, we replace it or issue a full refund.
Q: Can you provide a test report or COC before I place an order?
A: Yes. We can provide pre-shipment test report photos, a Certificate of Conformance, and a Country of Origin declaration upon request — before payment is required. Contact us at [email protected] to request your documentation package.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
