Product Overview
When your control system demands reliable, high-performance processing, the Allen-Bradley 1769-L35E CompactLogix Controller delivers. As a Programmable Automation Controller (PAC), the 1769-L35E is engineered for medium-sized control requirements in process and factory automation. With 1.5 MB of embedded memory, one Ethernet port, and one RS-232 communication port, this controller provides the connectivity and processing power your applications require.
Part of the CompactLogix series from Rockwell Automation, the Allen-Bradley 1769-L35E supports up to 30 Compact I/O modules and up to 3 expansion banks. It is designed to integrate seamlessly into existing systems, offering a scalable solution for growing automation needs.
Technical Specifications
The Allen-Bradley 1769-L35E offers a robust set of specifications tailored for demanding industrial environments. Below are the key parameters:
| Specification |
Value |
| User Memory |
1.5 MB |
| Non-Volatile Memory |
1784-CF128 |
| Communication Ports |
1 RS232; 1 Ethernet |
| Supported Protocols |
DH485; DF1; ASCII; EtherNet |
| Maximum I/O Modules |
30 Modules |
| Maximum I/O Banks |
3 Banks |
| Power Supply Distance Rating |
4 |
| Battery |
1769-BA |
| Programming Cable |
1747-CP3 / 1756-CP3 |
| Frequency |
10 to 500 Hertz |
| Mounting Torque |
1.1 to 1.8 N-m |
| Ethernet Communication Cable |
Cat5 / Cat6 |
| Vibration (Operating) |
10 to 500 Hz, 5G, 0.030 in. peak-to-peak |
| Operating Temperature |
0° to +60°C (+32° to +140°F) |
| Mounting |
DIN Rail; Panel Mounting |
Industry Applications
The Allen-Bradley 1769-L35E excels in a variety of industrial settings. In a packaging line, this controller coordinates multiple stations, managing up to 30 I/O modules to ensure precise timing and synchronization. For a water treatment facility, the 1769-L35E handles process control with its Ethernet/IP communication, enabling remote monitoring and data acquisition. In a material handling system, the controller supports 100 connections, allowing seamless integration with conveyors, sorters, and robotic arms.
Installation & Setup Guidance
Mounting the Allen-Bradley 1769-L35E is straightforward. You can use a DIN rail or panel mount, both with specific shock ratings (20 G for DIN rail, 30 G for panel). Ensure the mounting torque does not exceed 1.8 N-m to avoid damaging the unit. For Ethernet communication, use a standard Cat5 or Cat6 cable, limiting the length to 100 meters. The RS-232 port uses a standard 9-pin DB9 connector; the cable length should not exceed 15.2 meters. When wiring, use copper wire with a temperature rating of 90°C, and select the appropriate wire size: 22 to 14 AWG for solid, 22 to 16 AWG for stranded.
Maintenance & Reliability
To ensure long-term reliability, regularly inspect the 1769-L35E for dust accumulation and ensure the operating temperature stays within 0° to +60°C. The replaceable battery (1769-BA) should be checked annually; a low battery indicator will alert you when replacement is needed. The controller's vibration tolerance of 5 G at 10-500 Hz minimizes downtime in high-vibration environments. By following these simple steps, you extend the service life of your controller and reduce unexpected failures.
Compatibility & Integration
The Allen-Bradley 1769-L35E integrates easily with existing CompactLogix systems. It supports programming in Ladder, Function Block, Statement List, Structured Text, and Sequence Function Chart, complying with IEC-61131-3. For revisions 21.00 and later, use Studio 5000 Logix Designer. The controller supports up to 8 tasks and 100 connections, with 32 CIP connections on EtherNet/IP. The 1769-L35E works with a variety of power supplies, including the 1769-PA4.
Buying Guide
Before purchasing the Allen-Bradley 1769-L35E, verify your system's compatibility and required accessories. Ensure you have the programming cable (1747-CP3 or 1756-CP3) and the correct non-volatile memory (1784-CF128) if needed. PLC Source PRO offers genuine Allen-Bradley 1769-L35E controllers with reliable support. Order today to keep your automation running smoothly.