1769-L24ER-QB1B Allen-Bradley

1769-L24ER-QB1B Allen-Bradley I / O module

Product  Description：

The Allen-Bradley 1769-L24ER-QB1B is a CompactLogix 5370 L2 Controller. It is a packaged Programmable Automation Controller (PAC) designed to offer high-performance logic, motion, and networking capabilities in a compact form factor. The 'QB1B' designation indicates that it includes integrated digital and analog I/O directly on the controller chassis.

Product Specifications

• Controller Type: CompactLogix 5370 L2 Controller

• User Memory: The controller features 750 KB of user memory for application programs and data.

• Communication Ports: It includes two (2) EtherNet/IP ports supporting Device Level Ring (DLR) network topology, one (1) USB 2.0 port for local programming and configuration, and one (1) RS-232 serial port.

• Embedded I/O: This is a key feature of the packaged controller. It contains:

  • Sixteen (16) 24V DC Digital Inputs

  • Sixteen (16) 24V DC Sourcing Digital Outputs

  • Four (4) Analog Voltage Inputs

• Power Supply: The controller operates on 24V DC power.

• I/O Expansion: It supports the addition of up to four (4) local 1769 Compact I/O expansion modules, allowing the system to be scaled beyond the embedded I/O.

• Network Capacity: It supports up to eight (8) EtherNet/IP nodes and can handle up to 120 TCP connections.

• Programming Software: Programmed using Studio 5000 Logix Designer software.

Product Advantages

• Integrated Design: The packaged controller design combines the CPU, memory, power supply, and I/O into a single unit, significantly reducing panel space, wiring complexity, and overall system cost for smaller applications.

• EtherNet/IP Connectivity: The dual EtherNet/IP ports with DLR capability provide robust, high-speed networking for communication with HMI, drives, and other controllers, while DLR ensures network resiliency against single-point failure.

• High Performance: Part of the Logix family, it provides excellent execution speed for both logic and motion control tasks.

• Scalability: Although compact, the ability to add up to four expansion I/O modules (1769 series) allows for flexibility to accommodate future needs within the local chassis.

• SD Card Support: Includes a built-in SD card slot for optional non-volatile storage, which is useful for data logging, recipe management, and restoring the application program.

Important Considerations (Precautions)

• Power Requirements: The controller requires a 24V DC power supply. Ensure the voltage is stable and within the specified tolerance. Proper fusing and circuit protection are mandatory.

• Environmental Limits: The controller must be installed within an enclosure that provides adequate protection against dust, moisture, and temperature extremes, according to the manufacturer's environmental specifications.

• I/O Limits: The expansion capability is limited to four local 1769 I/O modules. For applications requiring more I/O, a higher-end CompactLogix or ControlLogix system should be considered.

• Programming Software: The controller requires the latest versions of the Studio 5000 Logix Designer software for configuration and programming. Compatibility should be checked before starting development.

• Wiring Practices: Follow best practices for industrial control wiring, including proper grounding, shielding, and segregation of power and signal wiring to minimize electrical noise interference.

Product Applications

The 1769-L24ER-QB1B controller is ideally suited for small to medium-sized machine control and automation tasks that require integrated motion control, high-speed Ethernet connectivity, and a combination of digital and analog I/O.

• Standalone Machines: Used as the primary controller for machines like automated assembly stations, packaging machines, simple material handling systems, and pump control stations.

• Building Automation: Managing HVAC systems, access control, and lighting systems in commercial buildings.

• Process Skids: Implementing control logic for small process skids, mixing tanks, or filtration units in food and beverage or chemical industries.

• SCADA/DCS Integration: Used as a remote terminal unit (RTU) to collect data from field devices and communicate it back to a central supervisory system via EtherNet/IP.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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