Product Details
Product Description
The Allen Bradley 1756-L73S GuardLogix controller is a dual-slot safety automation processor designed for high-performance control and integrated safety applications. With 8 MB of standard user memory and 4 MB of dedicated safety memory, it supports large-scale systems requiring advanced safety functionality. The controller includes nonvolatile memory options, high I/O capacity, and robust electrical characteristics, making it suitable for complex industrial automation environments.
Technical Specifications
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Manufacturer Allen Bradley
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Product Line GuardLogix 1756 Series
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Product Type Safety Automation Controller
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Part Number 1756-L73S
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User Memory 8 MB
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Safety Memory 4 MB
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I/O Memory 0.98 MB
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Nonvolatile Memory Options
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1 GB (1756-SD1 standard with controller)
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2 GB (1756-SD2 optional)
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Digital I/O Capacity Up to 128,000 points
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Analog I/O Capacity Up to 4,000 points
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Total I/O Capacity 128,000 points
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Current Draw
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5 mA @ 1.2 V DC
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800 mA @ 5.1 V DC
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Power Dissipation 2.5 W
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Thermal Dissipation 8.5 BTU/hr
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Isolation Voltage 30 V continuous (USB port-to-system), type tested at 980 V AC for 60 s
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Slot Width 2 slots (controller requires both)
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Weight 0.25 kg
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Shipping Weight 1.5 kg
Application Scenarios
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Large-scale safety-critical automation systems
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Machine control requiring integrated safety and high I/O density
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Distributed control systems with advanced memory and redundancy needs
FAQ
Q: What is the difference between user memory and safety memory? A: User memory (8 MB) is for standard control tasks, while safety memory (4 MB) is dedicated to safety-related functions.
Q: Does the controller include nonvolatile memory? A: Yes, a 1 GB SD card (1756-SD1) is included, with an optional 2 GB card (1756-SD2).
Q: How many I/O points can the 1756-L73S support? A: Up to 128,000 digital I/O points and 4,000 analog I/O points.
Comparable Models
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1756-L73S: GuardLogix safety controller with 8 MB user memory and 4 MB safety memory (this model)
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1756-L72S: GuardLogix controller with smaller memory capacity
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1756-L74S: GuardLogix controller with larger memory for more complex 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
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