Secure now: Allen-Bradley 1769-L23E-QB1B CompactLogix Ethernet CPU
Atlantechdrives provides you the 1769-L23E-QB1B, a highly integrated «packaged» controller belonging to the legacy CompactLogix series. This unit is a complete automation solution, combining a Logix5000 processor, a 24V DC power supply, and an embedded bank of 32 digital I/O points into a single robust chassis.
- Memory: 512 KB User Memory
- Embedded I/O: 16 24V DC Inputs / 16 24V DC Outputs
- Communication: 1 EtherNet/IP Port, 1 RS-232 Serial Port
- Expansion: Supports up to 2 local 1769 modules
- Power: Integrated 24V DC Power Supply
Technical Performance: Robust Legacy Control with Integrated Ethernet
Get now the 1769-L23E-QB1B to maintain or expand your existing CompactLogix infrastructure. This controller was engineered to provide the power of the Logix engine in a simplified, all-in-one package for standalone machines. The embedded EtherNet/IP port allows for seamless HMI integration and messaging with other controllers, while the RS-232 port provides support for legacy DF1 and DH-485 protocols. With 512KB of user memory, the L23E handles standard machine sequencing, interlocking, and PID loops with ease. The 16 digital inputs and 16 digital outputs are 24V DC rated, featuring high-quality optical isolation to protect the processor from field transients. When you procure the 1769-L23E-QB1B, you are securing a controller known for its extreme durability in harsh industrial environments with high vibration and thermal fluctuations.
Installation Advice: Wiring for Signal Integrity
When installing the 1769-L23E-QB1B, the wiring of the embedded I/O terminals requires careful attention. Since 32 I/O points are condensed into the front terminal blocks, use high-quality 22 AWG wire to ensure the terminal covers can close properly. Always verify that the 1769-ECR end cap is installed if you are using expansion modules; the L23E supports up to two additional 1769 modules to the right of the main unit. For Ethernet communication, ensure that the IP address is correctly configured via the RSLinx software or the thumbwheel settings if applicable to the revision. Sourcing your 1769-L23E-QB1B from Atlantechdrives ensures you get a unit with a healthy backplane and verified serial/Ethernet ports.
Maintenance and Program Backup
The 1769-L23E-QB1B utilizes the 1769-BA lithium battery for memory retention. Maintenance protocols must include a biennial battery check; if the «BATT» LED turns red, the program is at risk during a power cycle. We recommend backing up the program to the 1769-MEM1 or MEM2 flash module for added security. Sourcing an authentic 1769-L23E-QB1B from Atlantechdrives provides the reliability of original hardware, ensuring that your legacy production lines remain operational without the need for expensive and time-consuming redesigns.
FAQs
Q: Does the 1769-L23E-QB1B support expansion modules?
A: Yes, it supports up to 2 additional 1769 series I/O modules.
Q: Can it be programmed with modern Studio 5000?
A: Yes, it is compatible with RSLogix 5000/Studio 5000 up to Version 20.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
This packaged controller is a versatile standalone solution; for non-isolated relay outputs, consider the 1769-OW16 expansion module.
