Allen-Bradley 5069-L310ER CompactLogix 5380 PLC
1MB EtherNet/IP Motion Controller, Series A
Mid-Range Control Without Mid-Range Compromises
The transition from entry-level PLCs to a full ControlLogix rack involves significant cost, cabinet space, and engineering time. For many machine control applications, this step isn't necessary.
The Allen-Bradley 5069-L310ER is a CompactLogix 5380 controller that bridges this gap—delivering the processing power, network architecture, and I/O capacity required for mid-range machine and process automation, in a DIN rail-mounted package that fits realistic budgets.
- Series A unit with 1MB of user memory
- Quad-core processor for enhanced performance
- Dual 1Gb EtherNet/IP ports and one USB port
- Supports up to 8 local 5069 Compact I/O modules and 24 EtherNet/IP nodes
- Programming exclusively through Studio 5000 Logix Designer
Technical Specifications
| Parameter | Value |
|---|
| Part Number | 5069-L310ER |
| Series | A |
| Family | CompactLogix 5380 |
| User Memory | 1 MB |
| Processor | Quad Core |
| EtherNet/IP Ports | 2 × 1 Gb |
| USB Port | 1 × Type B 2.0 Full-Speed |
| Communication | EtherNet/IP, USB |
| EtherNet/IP Nodes | Up to 24 |
| Local I/O Modules | Up to 8 (5069 Compact I/O) |
| Motion Axes | 0 |
| Tasks | 32 (up to 1,000 programs per task) |
| MOD Power Supply | 18-32V DC |
| SA Power Supply | 0-32V DC / 0-240V AC, 47-63Hz |
| ATEX/IECEx Max | 125V AC |
| Ethernet Isolation | 300V continuous; no isolation between ENET ports |
| Network Topologies | Linear, Star, Device Level Ring (DLR) |
| Ethernet Speed | 10 / 100 / 1,000 Mbps (full-duplex) |
| Non-Volatile Memory | 2GB SD card (1784-SD2, shipped) |
| Height | 123mm (4.84") |
| Depth | 136.81mm (5.39") |
| Operating Temperature | 0-60°C (32-140°F) |
| Storage Temperature | -40-85°C (-40-185°F) |
| Relative Humidity | 5-95% (non-condensing) |
| Programming Software | Studio 5000 Logix Designer |
Dual 1Gb EtherNet/IP Ports Capabilities
Single-port controllers force a compromise: running I/O network and HMI/SCADA traffic on the same segment or adding an unmanaged switch with topology constraints.
The 5069-L310ER's dual 1Gb ports eliminate this compromise. One port can manage the machine I/O network while the other connects to the plant Ethernet backbone. Alternatively, both ports can be used in a Device Level Ring (DLR) topology for fault-tolerant network redundancy, ensuring continued operation even with a single cable break.
The isolation specification is critical: 300V continuous isolation between Ethernet ports and controller internals, but no isolation between the two Ethernet ports. This electrical continuity is standard for DLR-capable controllers and important for panel grounding and cable routing planning.
Quad-Core Processing and Task Execution
The quad-core processor in the 5380 generation represents a significant improvement over single-core architectures in earlier CompactLogix families.
This results in faster scan times, better handling of multiple simultaneous tasks, and increased capacity for motion control, data logging, and communication-intensive applications without scan time degradation.
The controller supports 32 tasks with up to 1,000 programs per task—providing organizational flexibility for complex machines with multiple functional modes, recipe management, and coordinated multi-zone control without requiring a ControlLogix chassis.
5069 Compact I/O Compatibility
The 5069-L310ER uses the 5069 Compact I/O module family—not the older 1769 modules from previous CompactLogix generations.
The 5069 modules feature high-speed backplane communications, smaller form factor per point, and enhanced security features including digitally-signed firmware, controller-based change detection, and role-based access control for routines and Add-On Instructions.
The controller supports up to 8 local 5069 modules directly, with additional I/O available via distributed modules over the EtherNet/IP network—up to 24 nodes total.
Power Supply Flexibility
The MOD power (controller module supply) requires 18-32V DC—compatible with standard 24V DC panel supplies.
The SA power (I/O module supply) accepts both DC (0-32V) and AC (0-240V at 47-63Hz), providing flexibility for powering field devices with different voltage requirements from the same I/O chassis.
For ATEX/IECEx installations, the SA supply is limited to 125V AC maximum—an important consideration during panel design for hazardous area installations.
Frequently Asked Questions
What programming software is required for the 5069-L310ER?
The 5069-L310ER is exclusively programmed using Studio 5000 Logix Designer. The older RSLogix 5000 software is not compatible with the CompactLogix 5380 platform. Verify your programming environment is current before upgrading from older CompactLogix systems.
How many I/O modules and EtherNet/IP nodes does this controller support?
The 5069-L310ER supports up to 8 local 5069 Compact I/O modules on the backplane and up to 24 EtherNet/IP nodes across the network. Nodes include remote I/O adapters, drives, HMIs, and other EtherNet/IP devices connected to either Ethernet port.
Can this controller handle motion control axes?
The 5069-L310ER is rated for 0 motion axes—it does not support integrated motion control. For applications requiring CIP Motion axis control, the 5069-L320ER or higher-capacity 5380 controllers with motion capability are appropriate selections within the same product family.
What network topologies does the dual EtherNet/IP support?
The two Ethernet ports support Linear, Star, and Device Level Ring (DLR) topologies. DLR provides network fault tolerance—if a single cable break occurs anywhere on the ring, traffic automatically reroutes and the I/O network continues operating. This is a significant reliability advantage for applications where unplanned downtime is costly.
Is the 5069-L310ER backward compatible with 1769 CompactLogix I/O modules?
No. The 5069-L310ER uses 5069 Compact I/O modules exclusively—it is not compatible with the 1769 I/O modules used in earlier CompactLogix 1769-L3x controllers. When migrating from a legacy CompactLogix system, the I/O modules must be replaced alongside the controller.
The Allen-Bradley 5069-L310ER is a Rockwell Automation CompactLogix 5380 controller. Verify software version, I/O module compatibility, and network topology requirements before installation.
![5069-L310ER AB CompactLogix 1MB Enet Motion Controller Se
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