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The 1769-L34ER (Part Number: 1769-L34ER) is a powerful, mid-range controller from the Allen-Bradley CompactLogix 5370 L3 family. Designed to handle more complex machine control and high-performance applications than the L1 or L2 series, this...
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The 1769-L34ER (Part Number: 1769-L34ER) is a powerful, mid-range controller from the Allen-Bradley CompactLogix 5370 L3 family. Designed to handle more complex machine control and high-performance applications than the L1 or L2 series, this controller features 2 MB of user memory and supports high-speed motion control over EtherNet/IP. It is an ideal solution for applications requiring significant I/O expansion and advanced networking capabilities without the footprint of a full ControlLogix system.
The 1769-L34ER is equipped with dual EtherNet/IP ports, allowing for flexible network topologies including Linear, Star, and Device Level Ring (DLR) for increased system uptime. As a battery-less controller, it utilizes a capacitor-based energy storage module to write memory to the included SD card during power loss, significantly reducing long-term maintenance requirements.
| Specification | Details |
|---|---|
| User Memory | 2 Megabytes |
| EtherNet/IP Nodes Supported | Up to 32 nodes |
| Integrated Motion | Supports up to 8 axes of Integrated Motion on EtherNet/IP |
| Local Expansion | Supports up to 16 local 1769 Compact I/O modules |
| I/O Bank Support | Up to 3 expansion banks (requires expansion cables) |
| Power Supply Distance Rating | 4 modules (must be within 4 slots of the power supply) |
| Non-Volatile Storage | 1 GB SD card included (Up to 2 GB supported) |
| Maximum Tasks | 32 tasks; 1,000 programs per task |
| Dimensions | 118 x 52.5 x 115 mm |
| Weight | 0.31 kg |
The 1769-L34ER is a versatile choice for a wide range of industrial applications, including high-speed packaging lines, food and beverage processing, and complex assembly machines. Its ability to manage 8 axes of motion makes it particularly effective for pick-and-place robotics and synchronized conveyor systems.
How many I/O modules can I use with this controller?
The 1769-L34ER supports a maximum of 16 local 1769 Compact I/O modules. However, due to the power supply distance rating, you must ensure modules are placed within 4 slots of a power supply, often necessitating the use of expansion banks and cables.
Can I use this controller for safety applications?
The standard 1769-L34ER is not a safety-rated controller. If your application requires SIL 2 or SIL 3 safety ratings, you should look for the "S" version (e.g., 1769-L34ERS).
