High-performance safety PAC 1756‑L72S for advanced automation
The Allen‑Bradley 1756‑L72S is a powerful GuardLogix controller that integrates standard and safety control in a single module. Featuring 4 MB user memory and 2 MB safety memory, it supports up to 128,000 digital I/O and 4,000 analog I/O points. This controller is ideal for complex automation systems requiring high speed, scalability, and integrated functional safety.
Technical specifications
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Manufacturer: Allen‑Bradley / Rockwell Automation
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Series: GuardLogix 5570
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User memory: 4 MB
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Safety memory: 2 MB
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I/O memory: approx. 0.98 MB
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Max I/O capacity: up to 128,000 digital and 4,000 analog points
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Programming interface: USB port
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Energy storage: via energy storage module (no battery required)
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Operating temperature: 0 °C to 60 °C
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Dimensions: approx. 22.86 × 18.03 × 5.08 cm
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Weight: approx. 0.91 kg
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Safety rating: SIL 3 / PLe / Category 4 (with safety partner module)
Key advantages
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Combines standard and safety control in one unit
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Large memory capacity and fast processing
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USB port simplifies programming and maintenance
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Designed for safety-critical industrial applications
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Scalable and reliable solution for large automation systems
Application and use cases of 1756‑L72S
The 1756‑L72S is ideal for use in large-scale manufacturing, automotive assembly, food and beverage processing, robotics, and any system where both safety and control must be tightly integrated. It supports complex safety logic and enables centralized control of distributed systems.
About the manufacturer
Allen‑Bradley, a brand of Rockwell Automation, is globally recognized for its industrial automation and control solutions. The GuardLogix family provides high-performance programmable automation controllers with built-in safety, reliability, and scalability for the most demanding applications.