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The Allen Bradley 1769-L23E-QBFC1B is a compact programmable automation controller designed for industrial machine control, integrated automation systems, and medium-sized manufacturing applications. This controller belongs to the CompactLogix controller family and combines processor functionality, integrated digital and analog I/O capability, and Ethernet communication within a single compact control platform.
The controller is engineered to provide high-speed processing performance, flexible system expansion, and dependable industrial operation. It is widely used in packaging systems, conveyor automation, material handling equipment, assembly machinery, food processing systems, and industrial process control applications.
The 1769-L23E-QBFC1B integrates multiple automation functions into one compact housing, helping industrial users reduce panel space requirements and simplify system installation. The integrated I/O structure minimizes external hardware requirements and lowers wiring complexity.
Its embedded Ethernet/IP communication capability allows efficient communication with industrial HMIs, servo drives, distributed I/O devices, industrial networks, and supervisory monitoring systems. The controller is highly suitable for automation environments requiring reliable communication performance and scalable control architecture.
The controller is recognized for its stable operation, strong industrial durability, modular flexibility, and efficient integration capability. It supports expansion through Compact I/O modules, allowing automation systems to grow together with production requirements.
Because of its balanced performance, compact dimensions, and advanced communication capability, the 1769-L23E-QBFC1B remains a widely used controller in industrial automation systems worldwide.
| Item | Description |
|---|---|
| Brand | Allen Bradley |
| Product Type | Compact Programmable Automation Controller |
| Product Category | Industrial PLC Controller |
| Main Function | Machine and Process Automation |
| Communication Architecture | Ethernet/IP |
| Typical Industries | Manufacturing, Packaging, Logistics |
| Installation Method | DIN Rail or Panel Mount |
| Item | Description |
|---|---|
| Product Series | CompactLogix L23 Series |
| Controller Family | CompactLogix |
| System Architecture | Modular Compact Automation Platform |
| Supported Expansion | 1769 Compact I/O Modules |
| Communication Capability | Embedded Ethernet/IP |
| Programming Software | RSLogix 5000 / Studio 5000 |
| Motion Support | Integrated Motion Capability |
| Typical Application Scope | Small and Medium Industrial Systems |
| Parameter | Details |
|---|---|
| Model | 1769-L23E-QBFC1B |
| Controller Type | CompactLogix Programmable Automation Controller |
| User Memory | 1 MB |
| Nonvolatile Memory | CompactFlash Card Support |
| Embedded Digital Inputs | 16 Inputs |
| Embedded Digital Outputs | 16 Outputs |
| Embedded Analog Inputs | 4 Inputs |
| Embedded Analog Outputs | 2 Outputs |
| Communication Port | Ethernet/IP Port |
| Ethernet Speed | 10/100 Mbps |
| Serial Communication | RS-232 Serial Port |
| USB Port | Not Available |
| Supported I/O Expansion | 1769 Compact I/O |
| Maximum Expansion Modules | 16 Modules |
| Motion Support | Basic Motion Control |
| Programming Software | RSLogix 5000 / Studio 5000 |
| Operating Voltage | 24V DC |
| Voltage Range | 20.4V DC to 26.4V DC |
| Current Consumption | Approximately 1.1 A |
| Isolation | Industrial Electrical Isolation |
| Power Supply Type | Integrated Power Supply |
| Real-Time Clock | Integrated |
| Battery Backup | Supported |
| LED Indicators | Diagnostic Status LEDs |
| Mounting Type | DIN Rail or Panel Mount |
| Wiring Method | Removable Terminal Blocks |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% Non-condensing |
| Shock Resistance | Industrial Grade Shock Protection |
| Vibration Resistance | Industrial Grade Vibration Protection |
| Protection Class | Open Industrial Equipment |
| Dimensions | 165 mm × 118 mm × 87 mm |
| Weight kg | Approximately 0.90 kg |
| Communication Protocol | Ethernet/IP |
| Firmware Upgrade Capability | Yes |
| Industrial Certifications | UL, CE, CSA |
The 1769-L23E-QBFC1B integrates controller processing capability, Ethernet communication, digital I/O, and analog I/O within one compact housing. This integrated structure significantly reduces external hardware requirements and improves cabinet layout efficiency.
The integrated architecture simplifies system design and lowers installation complexity for machine builders and industrial automation engineers.
Its compact dimensions make it suitable for installations where cabinet space is limited while still requiring advanced control functionality.
The controller provides stable real-time automation performance and fast program execution. It can efficiently manage machine logic, analog signal processing, communication tasks, and industrial sequencing simultaneously.
Fast processing improves machine response time and production accuracy in industrial automation systems.
Its processing capability supports reliable operation in applications involving multiple automation devices and coordinated machine functions.
The integrated Ethernet/IP communication port allows the controller to connect directly with industrial HMIs, drives, remote I/O systems, and supervisory control systems.
This communication architecture simplifies industrial networking and reduces the need for additional communication hardware.
The Ethernet functionality also improves remote diagnostics, centralized monitoring, and machine data exchange capability.
The controller supports modular expansion through Compact I/O modules, allowing users to add analog modules, temperature modules, communication modules, and specialty I/O devices according to automation requirements.
This scalability allows automation systems to expand without requiring replacement of the controller platform.
The modular structure improves long-term system flexibility and reduces upgrade costs.
The 1769-L23E-QBFC1B is engineered for continuous operation in demanding industrial environments involving vibration, electrical interference, temperature fluctuations, and heavy-duty machine operation.
Its industrial-grade construction improves operational reliability and minimizes unexpected downtime.
The durable design contributes to longer equipment lifespan and lower maintenance requirements.
The controller is widely used in packaging machinery such as filling machines, labeling systems, sealing equipment, sorting systems, and wrapping machines.
Its fast processing speed supports accurate synchronization between motors, sensors, and machine actuators.
The 1769-L23E-QBFC1B is commonly installed in conveyor systems, warehouse automation systems, palletizing equipment, and industrial logistics systems.
The controller coordinates material movement, machine sequencing, and industrial sensor monitoring.
The controller supports process automation in food manufacturing systems, beverage production equipment, and packaging lines.
Its integrated analog and digital I/O capability simplifies production monitoring and process control integration.
Automotive facilities use the controller for assembly stations, robotic systems, automated testing equipment, and industrial workstations.
Its reliable communication and fast control capability improve production consistency and operational efficiency.
The controller is also suitable for pumping systems, filtration equipment, water treatment systems, and industrial utility monitoring applications.
Its Ethernet communication capability supports centralized operation and remote supervision.
| Advantage | Detailed Description |
|---|---|
| Integrated Analog and Digital I/O | Reduces additional hardware requirements |
| Compact Design | Saves installation space in control cabinets |
| Ethernet/IP Communication | Simplifies industrial network integration |
| High-Speed Processing | Improves automation response performance |
| Modular Expansion Support | Flexible system scalability |
| Industrial Reliability | Stable operation under demanding conditions |
| Simplified Wiring | Integrated architecture reduces installation workload |
| Easy Maintenance | LED diagnostics simplify troubleshooting |
| Flexible Automation Capability | Suitable for multiple industrial applications |
| Long Operational Lifespan | Industrial-grade durable construction |
| Efficient Communication Performance | Stable industrial Ethernet connectivity |
| Reduced System Complexity | Combines multiple automation functions in one controller |
| Parameter | 1769-L23E-QBFC1B | 1769-L23E-QB1B | 1769-L32E | 1769-L35E | 1769-L16ER-BB1B | 1769-L18ER-BB1B |
|---|---|---|---|---|---|---|
| Controller Series | CompactLogix L23 | CompactLogix L23 | CompactLogix | CompactLogix | CompactLogix 5370 | CompactLogix 5370 |
| User Memory | 1 MB | 512 KB | 750 KB | 1.5 MB | 384 KB | 1 MB |
| Ethernet Communication | Yes | Yes | Yes | Yes | Dual Ethernet | Dual Ethernet |
| Integrated Digital I/O | Yes | Yes | No | No | Yes | Yes |
| Integrated Analog I/O | Yes | No | No | No | No | No |
| Motion Capability | Basic Motion | Basic Motion | Medium Motion | Advanced Motion | 2 Axes | 2 Axes |
| Maximum Expansion Modules | 16 | 16 | 30 | 30 | 16 | 16 |
| Mounting Method | DIN Rail | DIN Rail | DIN Rail | DIN Rail | DIN Rail | DIN Rail |
| Dimensions | 165×118×87 mm | 165×118×87 mm | 145×145×90 mm | 145×145×90 mm | 118×70×87 mm | 118×70×87 mm |
| Weight kg | 0.90 kg | 0.85 kg | 0.95 kg | 1.05 kg | 0.48 kg | 0.50 kg |
| Main Application | Integrated Automation | Machine Automation | Medium Systems | Advanced Systems | Compact Machines | Machine Control |
The 1769-L23E-QB1B is a compact controller with integrated digital I/O designed for industrial machine control applications requiring reliable Ethernet communication and scalable expansion capability.
The 1769-L32E is a modular CompactLogix controller suitable for medium-sized industrial systems requiring distributed automation architecture and flexible I/O expansion.
The 1769-L35E offers increased memory and stronger processing capability for larger industrial automation systems involving multiple communication networks and complex control tasks.
This compact controller is designed for smaller automation systems requiring space-saving installation and integrated Ethernet communication.
The 1769-L18ER-BB1B provides improved memory capacity and enhanced automation performance for medium-complexity machine control applications.
| Parameter | 1756-L81E | 5069-L310ER | 1734-AENTR | 1769-IF8 | 2080-LC50-48QWB |
|---|---|---|---|---|---|
| Product Type | ControlLogix Controller | CompactLogix Controller | POINT I/O Adapter | Analog Input Module | Micro PLC Controller |
| Series | ControlLogix 5580 | CompactLogix 5380 | POINT I/O | Compact I/O | Micro800 |
| Communication | Ethernet/IP | Ethernet/IP | Ethernet/IP | Backplane | Ethernet |
| User Memory | 3 MB | 2 MB | Adapter Based | N/A | Embedded |
| Motion Capability | Advanced Motion | Integrated Motion | Distributed I/O | N/A | Basic Motion |
| Mounting Type | Chassis Mount | DIN Rail | DIN Rail | DIN Rail | DIN Rail |
| Operating Temperature | 0°C to 60°C | 0°C to 60°C | -20°C to 55°C | 0°C to 60°C | 0°C to 55°C |
| Dimensions | 145×145×90 mm | 150×130×90 mm | 75×35×118 mm | 118×87×35 mm | 90×130×80 mm |
| Weight kg | 1.10 kg | 1.20 kg | 0.15 kg | 0.32 kg | 0.70 kg |
| Main Function | Large Automation Systems | Advanced Machine Control | Distributed I/O Communication | Analog Signal Monitoring | Small Automation Systems |
| Parameter | 1769-L23E-QBFC1B | 1769-L23E-QB1B | 1769-L18ER-BB1B |
|---|---|---|---|
| User Memory | 1 MB | 512 KB | 1 MB |
| Integrated Analog I/O | Yes | No | No |
| Ethernet Communication | Single Ethernet | Single Ethernet | Dual Ethernet |
| Motion Capability | Basic Motion | Basic Motion | 2 Axes |
| Integrated Digital I/O | Yes | Yes | Yes |
| Maximum Expansion Modules | 16 Modules | 16 Modules | 16 Modules |
| Suitable Applications | Integrated Automation | Machine Automation | Medium Automation |
| Dimensions | 165×118×87 mm | 165×118×87 mm | 118×70×87 mm |
| Weight kg | 0.90 kg | 0.85 kg | 0.50 kg |
The 1769-L23E-QBFC1B remains highly popular in industrial automation because it combines controller processing, Ethernet communication, digital I/O, and analog I/O within a compact integrated platform.
Industrial users value the controller for its ability to simplify automation system design while maintaining reliable industrial performance.
The integrated analog functionality reduces external module requirements and lowers installation complexity.
Its compatibility with Compact I/O modules allows future system expansion without replacing the core controller platform.
The controller also provides strong communication capability and stable operation under demanding industrial conditions, making it highly suitable for machine builders and manufacturing facilities.
Its compact size, flexible architecture, and dependable long-term operation continue to make it a practical solution for small and medium industrial automation systems.
The Allen Bradley 1769-L23E-QBFC1B is a compact and reliable CompactLogix programmable automation controller developed for industrial machine control and integrated automation applications.
It combines high-speed processing capability, embedded Ethernet communication, integrated digital and analog I/O, modular expansion support, and industrial durability within a compact control platform.
The controller is widely used in packaging machinery, conveyor systems, material handling equipment, food processing lines, automotive manufacturing systems, and utility automation applications.
Its integrated architecture, flexible scalability, stable communication performance, and reliable industrial construction make it one of the most practical CompactLogix controllers for modern industrial automation environments.