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Allen-Bradley

Allen-Bradley 1754-L28BBB Safety controller

Brand: Allen-Bradley

Model: Allen-Bradley 1754-L28BBB Safety controller

Origin: Switzerland

Warranty: 365 days

Quality: new/second-hand

Delivery method: express delivery

Telephone ：+86 18020721390

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product details

Allen-Bradley 1754-L28BBB GuardPLC 1200 Safety Controller
(GuardPLC: Safety Programmable Logic Controller)

Core Functions and Technical Specifications

Functional Positioning

This controller is a core product of Rockwell Automation’s GuardPLC 1200 Series, designed specifically for industrial safety applications. It complies with SIL3 (IEC 61508) and CAT4 (EN ISO 13849) safety standards, enabling functions such as emergency stop, safety zone monitoring, and more. Its integrated design supports direct connection to sensors and actuators, simplifying safety system architecture for high-reliability control scenarios.

Technical Parameters (English)

Parameter	Description
Type	Safety Programmable Logic Controller (GuardPLC)
Safety Integrity Level	SIL3 (IEC 61508), CAT4 (EN ISO 13849)
I/O Configuration	20 digital inputs (DC 24V), 8 digital outputs (DC 24V)
Expandability	Supports 6 expansion modules (digital/analog/high-speed counters)
Communication Interfaces	RS-232, RS-485, optional Ethernet/IP
Power Supply	100-240V AC (wide voltage input)
Memory	4KB program memory with data backup support
Processing Speed	0.1ms/kB (typical)
Operating Temperature	0°C to +55°C
Protection Rating	IP20 (controller body), IP67 for expansion modules
Programming Software	RSLogix 5000 GuardPLC Edition
Certifications	CE, UL, TÜV certified, compliant with North American and European safety standards

Key Features

High-Security Design: Certified to SIL3/CAT4 for safety-related logic control (e.g., emergency stop, safety light curtain signal processing).
Integrated I/O: Built-in 20DI + 8DO reduces external module requirements and wiring complexity.
Flexible Expansion: Supports analog I/O and high-speed counter modules for complex applications.
Real-Time Self-Diagnosis: Monitors hardware status with LED indicators for quick fault localization.
Hot Swapping: Enables live replacement of expansion modules to minimize downtime.

1753-L32BBBM-8A.刘燕华.20210129_155357 (3).jpg

label： 1754-L28BBB

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Allen-Bradley 1754-L28BBB Safety controller

Core Functions and Technical Specifications

Functional Positioning

Technical Parameters (English)

Key Features

sakyzeng@foxmail.com

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