1756-L1M1 Allen-Bradley ControlLogix Processor Module | Buy Today
Manufacturer: Allen-Bradley
Product No.: 1756-L1M1
Condition： In stock
Product Type: Processor Module
Payment: T/T, Western Union
Weight: 420g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Allen-Bradley 1756-L1M1 ControlLogix Controller Overview
The Allen-Bradley 1756-L1M1 represents a foundational processor module within the trusted ControlLogix 5550 series architecture, engineered to manage deterministic control loops in complex automated systems. Operating within standard open-style chassis slots, this processor provides a balance of dedicated user logic memory and I/O tracking performance while weighing a mere 0.35 kg. Global PLC Spare HUB's Insight underscores this controller for its resilient environmental shielding, strict ESD and RF immunity performance, and reliable battery-backed operational continuity for legacy discrete manufacturing frameworks.
Model 1756-L1M1 Configuration & Technical Architecture
| Manufacturer & Brand | Rockwell Automation / Allen-Bradley |
| Product Series & Type | ControlLogix 5550 Series Processor Module |
| Exact Catalog Number | 1756-L1M1 |
| Memory Allocation | 500 KB data/logic memory plus 150 KB I/O memory architecture |
| Backplane Current Draw | 950 mA at 5.1 VDC and 20 mA at 24 VDC |
| Power & Thermal Dissipation | 5.33 W total module power; 4.6 W power dissipation; 15.6 BTU/hr thermal output |
| Environmental Tolerances | Operating Temp: 0°C to 60°C; Storage Temp: -40°C to 85°C; 5% to 95% non-condensing humidity |
| Electrical & EMC Resilience | 30 V continuous isolation; withstands 500 V for 60s; 6 kV contact and 8 kV air ESD immunity |
Diagnostic Capabilities & System Integrity
- Advanced electronic noise immunity featuring 10V/m radiated RF protection and comprehensive EFT/B surge suppression on power and communication ports.
- Built-in low-voltage and battery monitoring flags that instantly report backup power health via the 1756-BA1 lithium cell slot.
- Rigorous physical shock and vibration endurance rated for 30 G operating shock and up to 500 Hz vibration acceleration.
- Direct serial diagnostic link compatibility via category 3 1756-CP3 communication cabling.
Compatible Hardware & Industrial Application Sectors
- Allen-Bradley 1756 ControlLogix chassis racks and power supply assemblies.
- Replacement terminal blocks including 1756-TBCH and 1756-TBS6H wiring modules.
- Automotive assembly line discrete manufacturing and material handling cells.
- Continuous process batching plants and legacy municipal water treatment control panels.
Packaging, Warranty & Logistics
- Electrostatic discharge (ESD) protective industrial packaging designed for safe component transport.
- Comprehensive 12-month standard warranty protecting against structural and manufacturing defects.
- Expedited 24-48 hour order processing and dispatch window.
- Global shipping capabilities fulfilled via reliable premium carriers including FedEx, UPS, and DHL.
Frequently Asked Questions
What is the specific backup battery requirement for the 1756-L1M1 controller?
It requires a designated 0.59-gram lithium replacement battery strictly cataloged as the 1756-BA1.
How does this controller handle severe industrial electrical noise and surges?
It provides robust electrical protection featuring 6 kV contact ESD immunity, 8 kV air discharge protection, and specialized EFT/B filtering on power ports.
What programming cable is verified for connecting to this processor?
The unit relies exclusively on the category 3 rated 1756-CP3 serial communication cable for configuration tasks.
What engineering guidelines should be followed when mounting this module in a high-vibration rack?
Ensure the chassis is securely bolted to a rigid sub-panel, as the controller is rated to withstand a maximum peak vibration acceleration of 2.0 G up to 500 Hz.
Why is understanding backplane current consumption critical during system expansion?
You must verify that your 1756 power supply can adequately deliver the required 950 mA at 5.1V and 20 mA at 24V drawn by this specific processor module.
Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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