Product Description
The Allen-Bradley 1769-L33ER CompactLogix 5370 controller is a cost-effective, modular solution for medium-sized applications, offering Logix platform capabilities and greater expansion than micro controllers. It features a 2 MB user memory (expandable with an optional 1-2 GB non-volatile memory card), supports 16 I/O modules across three I/O banks, and includes a built-in dual Ethernet port (10/100 Mbps with auto-negotiation) for communication with up to 32 Ethernet I/P nodes like HMIs, SCADA systems, and databases. A USB port provides an alternative communication interface for configuration and troubleshooting. The controller draws 560 mA at 5VDC, dissipates a maximum of 4.5 Watts, and can be DIN rail or panel mounted. It weighs 0.31 kg, has an open-style enclosure, operates between 0-60C, and supports power supplies like the 1769-PA4, PA2, and PB4. It also supports DeviceNet communication via optional 1769-SDN scanner module.
Is Your Device Showing These Signs?
The Allen Bradley 1769-L33ER CompactLogix controller commonly experiences issues such as corrupted firmware requiring a forced firmware update via BootP or a serial connection. Power supply failures cause intermittent operation or complete system shutdown, necessitating power supply replacement. Communication problems on the EtherNet/IP network stem from incorrect IP address configurations, faulty Ethernet cables, or a malfunctioning embedded Ethernet port; verify network settings and cabling. Memory corruption leads to program faults and unpredictable behavior; a memory clear and program reload is required. Finally, backplane connectivity issues between the controller and I/O modules result in I/O errors; reseat the modules and inspect the backplane connectors.
Technical specifications
The Allen-Bradley 1769-L33ER CompactLogix 5370 controller is a modular, cost-effective solution for medium-sized applications. It offers 2 MB of user memory (expandable), supports 16 I/O modules, and has a built-in dual Ethernet port for communication with up to 32 Ethernet/IP nodes. It also includes a USB port for configuration and troubleshooting. The controller has specific power, mounting, and environmental specifications, and supports DeviceNet communication via an optional module.
Our Repair Process for the
1769-L33ER
Our repair process for the Allen Bradley 1769-L33ER CompactLogix controller begins with a thorough diagnostic assessment to pinpoint the failure. For corrupted firmware, a forced firmware update is performed via BootP or serial connection. Power supply failures are resolved with a direct power supply replacement. Communication problems on the EtherNet/IP network require verification of IP address configurations, inspection of Ethernet cables, and testing of the embedded Ethernet port; corrections or replacements are implemented as needed. Memory corruption necessitates a complete memory clear followed by a program reload. Backplane connectivity issues are addressed by reseating the I/O modules and inspecting the backplane connectors for damage or debris, with cleaning or component replacement performed to ensure proper contact.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.