Get now: Allen-Bradley 1769-L35E CompactLogix Ethernet CPU
Atlantechdrives provides you the 1769-L35E, one of the most popular and reliable legacy Ethernet controllers in the Allen-Bradley CompactLogix family. This modular processor is the workhorse of the 1769-L3x series, offering a robust 1.5 MB of memory and integrated EtherNet/IP for modern connectivity in a chassis-less design.
- Memory: 1.5 MB User Memory
- Communication: 1 EtherNet/IP Port, 1 RS-232 Port
- I/O Limit: 30 local 1769 modules
- Power Supply Distance: 4 modules rating
- Software: RSLogix 5000 / Studio 5000 (up to V20)
Technical Performance: Reliable Modular Connectivity
Secure now the 1769-L35E to benefit from its versatile networking capabilities. The embedded 10/100 Mbps EtherNet/IP port supports HMI connectivity, peer-to-peer messaging between controllers, and distributed I/O control via 1769-AENTR adapters. The 1769-L35E utilizes the Logix5000 engine, which allows for tag-based programming and the execution of complex motion and process instructions. With 1.5 MB of memory, it bridges the gap between small machinery and large plant-wide systems, making it a favorite for OEMs in the packaging, pharmaceutical, and material handling sectors. When you order the 1769-L35E, you are securing a controller known for its long lifecycle and ease of integration into existing Rockwell Automation environments.
Installation Advice: Calculating the Power Budget
A critical technical detail for the 1769-L35E is the «Power Supply Distance Rating.» This processor has a rating of 4, which means it cannot be more than four slots away from the 1769-PA2 or PB2 power supply. Furthermore, ensure the 1769-ECR end cap is installed; without it, the internal bus will not complete its circuit and the CPU will stay in a fault state. Sourcing your 1769-L35E from Atlantechdrives ensures you get a unit with a clean, unoxidized backplane connector for maximum bus speed.
Maintenance and Long-Term Uptime
The 1769-L35E uses the 1769-BA battery for volatile memory retention. In high-temperature environments, battery life can be reduced; always check the «BATT» LED during monthly PMs. For added reliability, we recommend using the CompactFlash non-volatile memory cards (1769-MEM1) to store a backup of your logic. Sourcing an authentic 1769-L35E from Atlantechdrives ensures the highest hardware quality for your legacy machine maintenance.
FAQs
Q: What is the maximum firmware version for 1769-L35E?
A: It supports up to version 20 of RSLogix 5000 / Studio 5000.
Q: Can I use the serial port and Ethernet port at the same time?
A: Yes, both ports are independent and can be used for different communication tasks simultaneously.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
The 1769-L35E provides reliable Ethernet/IP connectivity for modular systems; for stable backplane power, we recommend the 1769-PA4 power supply.
