In modern industrial automation, reliable communication between remote I/O and PLCs is essential. The Schneider Electric CRA module enables efficient Ethernet-based remote I/O connectivity in PLC and DCS systems, improving scalability, diagnostics, and overall networked automation performance.
Product Details
Product Description
The Allen Bradley ControlLogix 1756-L75 controller is a high‑capacity module designed for complex automation systems requiring large memory and extensive I/O support. With 32 MB of user memory and robust communication capabilities, it provides reliable performance in demanding industrial environments.
Technical Specifications
-
Manufacturer: Allen Bradley
-
Product Line: ControlLogix
-
Catalog Number / Model: 1756-L75
-
Product Type: Programmable Controller
-
Weight: 0.50 lbs (0.23 kg)
-
Isolation Voltage: 30 V continuous
-
Power Dissipation: 2.5 W
-
Current Draw:
-
5.1 VDC: 800 mA
-
1.2 VDC: 5 mA
-
Module Type: ControlLogix controller (open‑style enclosure)
-
Communication Interface: 1 × USB port
-
Compatible Chassis: 1756-A4, A4K, A7, A7K, A10, A10K, A13, A13K, A17, A17K
-
Supported Power Supplies:
-
Standard: 1756-PA50, PA72, PA72K, PA75, PA75K, PB50, PB72, PB72K, PB75, PB75K, PH75
-
Redundant: 1756-PA75R, PA75RK, PB75R, PB75RK, PSCA2, PSCA2K
-
User Memory: 32 MB
-
I/O Memory: 0.98 MB
-
Maximum I/O Capacity:
-
Digital I/O: 128,000
-
Analog I/O: 4,000
-
Thermal Dissipation: 8.5 BTU/hr
Application Scenarios
-
Large‑scale manufacturing systems requiring extensive I/O capacity
-
Process industries with high data throughput and redundancy needs
-
Utility and energy automation systems where reliability is critical
FAQ
Q: How much user memory does the 1756-L75 provide? A: It offers 32 MB of user memory for complex applications.
Q: What communication options are available? A: A single USB interface is included for configuration and data transfer.
Q: Can this controller be used with redundant power supplies? A: Yes, it supports both standard and redundant ControlLogix power supply modules.
Comparison with Similar Models
-
1756-L75: 32 MB memory, high I/O capacity.
-
1756-L72: 4 MB memory, mid‑range applications.
-
1756-L71: 2 MB memory, suitable for smaller systems.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Technical Insights, Installation Guides, and Buying Tips
Upgrading vs. Migrating PLC Systems: Choosing the Right Strategy for Industrial Automation
In industrial automation, Programmable Logic Controllers (PLCs) are vital for control and monitoring. Over time, support and spare parts become limited, forcing engineers to decide between upgrading the existing PLC or migrating to a new system to maintain reliability and reduce downtime.
Site Commissioning Steps for PLC Programmers: A Complete Industrial Automation Guide
Commissioning a PLC control system is one of the most critical phases in any industrial automation project. It transforms design and programming into a fully functional, reliable system on site. For new PLC programmers, understanding each commissioning step ensures smooth integration, reduced downtime, and successful handover to the client.