Procure now: Allen-Bradley 1769-L24ER-QB1B CompactLogix 5370 L2 Processor
Atlantechdrives provides you the 1769-L24ER-QB1B, a highly integrated and cost-effective packaged controller from the CompactLogix 5370 L2 family. This unit is designed for mid-range automation applications, combining the power of the Logix5000 engine with embedded digital I/O and high-speed communication capabilities in a single DIN-rail mounted assembly.
- Memory: 750 KB User Memory
- Embedded I/O: 16 Digital DC Inputs / 16 Digital DC Outputs
- Communication: Dual EtherNet/IP ports, 1 USB Port
- Expansion: Supports up to 4 local 1769 I/O modules
- Topology: Supports Device Level Ring (DLR), Linear, and Star
Technical Performance: Streamlined Automation in a Packaged Design
Order now the 1769-L24ER-QB1B to benefit from a modern control architecture that eliminates the need for a separate power supply and chassis. This processor features dual EtherNet/IP ports with an integrated switch, allowing for resilient Device Level Ring (DLR) configurations that maintain system uptime even in the event of a cable failure. With 750KB of user memory, it provides ample overhead for complex logic routines, advanced math instructions, and extensive tag databases. The 1769-L24ER-QB1B is engineered to handle up to 8 Ethernet nodes, making it ideal for distributed I/O systems and HMI integration. The embedded 16 inputs and 16 outputs are 24V DC rated, utilizing high-speed optical isolation to protect the internal logic bus from industrial transients and electrical noise.
Installation Advice: Power Budget and Expansion Banks
When installing the 1769-L24ER-QB1B, it is critical to note that it supports up to 4 additional 1769 series expansion modules to the right of the CPU. However, unlike modular processors, the L24ER has a built-in 24V DC power supply. You must ensure that the total current draw of your expansion modules does not exceed the capacity of the integrated supply (refer to the 1769 power budget calculator). Always ground the DIN rail to a central copper bus bar to ensure signal integrity for the embedded high-speed inputs. Sourcing your 1769-L24ER-QB1B from Atlantechdrives ensures you get a unit with factory-tested backplane connections and verified Ethernet ports.
Maintenance and Lifecycle Reliability
The 1769-L24ER-QB1B uses a battery-less design for non-volatile memory backup, utilizing internal energy storage to write the program to flash during a power loss. Maintenance protocols should focus on firmware consistency and thermal management. Ensure the cabinet airflow keeps the module within its 0-60°C operating range to prevent clock drift. Choosing an authentic 1769-L24ER-QB1B from Atlantechdrives guarantees the hardware reliability required for 24/7 continuous manufacturing.
FAQs
Q: Can the 1769-L24ER-QB1B control motion?
A: It supports motion instructions, but for synchronized multi-axis servo control over Ethernet, the L24ERM or L27ERM models are recommended.
Q: Is the terminal block removable?
A: Yes, it utilizes the 1769-RTBN18 terminal blocks for easy wiring and maintenance.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
To ensure stable system power for this CompactLogix controller, it is essential to install the 1769-PA4 power supply.
The L24ER-QB1B supports up to 4 expansion modules; integrate high-density DC sensing with a 1769-IQ32 digital input card.
