Product Overview
The Allen-Bradley 1769-L30ER is a CompactLogix packaged controller from the 5370 family, designed as a Programmable Automation Controller (PAC) for small to medium automation applications. This processor module integrates 1MB memory, dual Ethernet communication ports, and an USB port, enabling efficient control and data exchange in compact systems. By centralizing logic and networking, the controller reduces hardware costs and simplifies wiring, offering a cost-effective solution for machine builders and system integrators.
Technical Specifications Breakdown
Key parameters for the 1769-L30ER are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Brand | Allen-Bradley |
| Part Number | 1769-L30ER |
| Product Line | CompactLogix |
| Product Type | Programmable Automation Controller |
| Module Type | Processor Module |
| Communication | Ethernet |
| Communication Ports | Two (2) Ethernet I/P; 1 USB |
| No. of Ethernet Nodes | 16 |
| Memory | 1 MB |
| Max I/O Modules | 8 Modules |
| Max I/O Banks | 3 banks |
| Shipping Weight | 4 pounds |
| Power Supply Distance Rating | 4 |
| Shipping Dimensions | 11 x 8 x 6 inches |
| Series | A and B |
| Programming Cable | RJ45 connector per IEC 60603-7 |
| Replacement Terminal Block | 1769-RTBN18 |
| Battery | 1747-BA |
| Wire Type | Copper-90 degrees Celsius |
| Vibration (Operating) | 10 to 500 Hz, 5G, 0.030 in. peak-to-peak |
| Wire Size (Solid) | 22 to 14 AWG |
| Operating Temperature | 0° to +60°C (+32° to +140°F) |
| Wire Size (Stranded) | 22 to 16 AWG |
| Mounting | DIN Rail; Panel Mounting |
| Certification | cULH (Class I, Division 2) |
| UPC | 10885630101276 |
| Non-Volatile Memory | 1784-SD1 card (1 GB shipped); 1784-SD2 card (2 GB optional) |
Industry Applications
The 1MB memory supports medium-sized programs, while the 16 Ethernet nodes enable connection to HMIs, SCADA, and drives—lowering total cost of ownership by eliminating separate switches in small networks.
Installation & Setup Guidance
Mount the module on a DIN rail or panel, ensuring 50 mm (2 inches) clearance on all sides for airflow. Install within 4 modules of a compatible power supply (1769-PA2, PB2, PA4, or PB4). Use copper wire rated for 90°C, solid 22-14 AWG or stranded 22-16 AWG. Assign IP address via BOOTP-DHCP utility. The dual Ethernet ports support linear, ring, or star topologies.
Maintenance & Reliability
Inspect the battery (1747-BA) periodically and replace if the BAT LED indicates low charge. Keep the SD card (1784-SD1) inserted for non-volatile program storage. Operate within 0° to +60°C to avoid overheating. The cULH Class I Division 2 certification allows use in hazardous locations, reducing costly enclosure requirements.
Compatibility & Integration
The controller works with up to 8 Compact I/O modules and 3 expansion banks, using the 1769-RTBN18 terminal block. The dual Ethernet ports act as an embedded switch, supporting Device Level Ring (DLR) for fault-tolerant networks—minimizing downtime and repair costs.
Selection Guide & Purchasing Advice
Choose the 1769-L30ER for applications needing moderate memory and dual Ethernet without a separate switch. AutoDCSTech stocks this model with fast shipping. Verify lifecycle status before ordering.
Troubleshooting & Common Issues
If the OK LED is off, check power supply distance (must be within 4 modules). If communication fails, verify Ethernet cable (Cat5/Cat6 with RJ45) and IP address assignment. If BAT LED is on, replace battery (1747-BA).
Availability & Condition at AutoDCSTech
| Part Number | 1769-L30ER |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
