Allen-Bradley 1756-L71 ControlLogix Programmable Automation Controller
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Dimensions: 3.5 x 14.0 x 14.5 cm
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Country of origin: USA
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Payment: T/T, Western Union
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Shipping port: Xiamen
Product Overview
The Allen-Bradley 1756-L71 is a high-performance ControlLogix 5571 processor designed for scalable and integrated control in complex industrial environments. As a core component of the ControlLogix platform, this controller provides a unified engine capable of managing discrete, motion, process, and high-availability applications. It utilizes a multi-processor architecture to balance control tasks and communication overhead, ensuring high-speed data throughput and deterministic performance across the backplane.
Designed for longevity and reliability, the 1756-L71 is an active product within the Rockwell Automation lifecycle, offering a robust solution for plants requiring precise coordination of I/O and motion axes.
Technical Specifications and Features
The 1756-L71 is engineered with advanced diagnostic capabilities and memory management to support demanding automation logic.
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User Memory: 2 MB of onboard volatile memory for application code and data.
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I/O Memory: 0.98 MB dedicated to I/O data processing.
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Communication Interface: Integrated USB 2.0 port for local programming, configuration, and firmware updates.
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Diagnostic Display: Built-in 4-character alphanumeric display providing real-time status codes, system errors, and initialization feedback.
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Controller Connections: Supports up to 500 total connections.
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Digital I/O Support: Capable of managing up to 128,000 maximum digital I/O points.
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Analog I/O Support: Capable of managing up to 4,000 maximum analog I/O points.
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Programming Languages: Full support for Relay Ladder Logic (RLL), Structured Text, Function Block Diagram (FBD), and Sequential Function Chart (SFC).
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Energy Storage: Features an energy storage module, eliminating the requirement for lithium batteries.
Operational Environment and Physical Data
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Module Type: Programmable Automation Controller (PAC)
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Chassis Compatibility: Installs into any slot of a 1756 ControlLogix I/O chassis.
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Weight: Approximately 0.4 kg (0.88 lbs).
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Dimensions: 3.5 x 14.0 x 14.5 cm.
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Operating Temperature: 0 to 60 °C (32 to 140 °F).
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Enclosure Rating: Open-style (must be installed in a protected industrial cabinet).
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Origin: United States of America.
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Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
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