SIL 2 controller with expanded safety memory
Allen-Bradley 5069-L310ERS2 Compact GuardLogix 5380 SIL 2 Safety Controller
1 MB standard memory, 0.5 MB safety memory and 24 EtherNet/IP nodes.
Product Description
Combining conventional machine logic with a certified safety task, the Allen-Bradley 5069-L310ERS2 allocates 1 MB to standard control and 0.5 MB to safety content.
Its local bank accepts eight Compact 5000 I/O modules, and the EtherNet/IP configuration can include up to 24 nodes. Dual embedded ports support the network arrangements used across CompactLogix 5380 systems.
A 5069-L310ERS2 project should keep device ownership, safety connections and standard communications explicit so commissioning changes do not blur the boundary between control and protection.
Technical Specifications
| Technical Item | 5069-L310ERS2 |
|---|---|
| Brand | Allen-Bradley |
| Product Type | Compact GuardLogix 5380 SIL 2 controller |
| Brand Country | United States |
| Standard Memory | 1 MB |
| Safety Memory | 0.5 MB |
| Local I/O Modules | 8 maximum |
| EtherNet/IP Nodes | 24 maximum |
| Safety Rating | SIL 2; PLd; Category 3 |
| Ethernet Ports | 2 × 10/100/1000 Mb/s |
| USB Port | USB 2.0 Type B; 12 Mb/s |
| MOD Power | 18…32 V DC SELV/PELV; 475 mA maximum |
| Thermal Dissipation | 30.9 BTU/hr maximum |
| Relative Humidity | 5…95%, noncondensing |
Standard and Safety Project Integration
Develop both control domains in one Logix project
- Standard tasks handle machine sequencing while the safety task owns validated protective logic.
- Use mapped or permitted tag exchange deliberately and prevent standard routines from becoming an undocumented safety dependency.
- Safety signatures identify a validated safety application state and must be managed whenever protected content changes.
- Allocate code and tags against the separate 1 MB standard and 0.5 MB safety capacities.
Controller System Layout
Place controller, local I/O and remote safety devices on defined paths
- The system diagram separates the local Compact 5000 bank from EtherNet/IP-connected HMIs, drives and I/O adapters.
- Keep the local row within eight modules and the total configured network within 24 nodes.
- Choose linear, DLR or Dual-IP topology based on failure recovery and traffic separation requirements.
- Document every safety I/O path so replacement and troubleshooting preserve the validated architecture.
Frequently Asked Questions
Why can 5069-L310ERS2 run standard logic while the safety task remains faulted?
Standard and safety execution are supervised separately, so a safety fault can inhibit the protective application without stopping every standard routine. Diagnose the safety status and place the machine in a safe condition before attempting a reset.
Can 5069-L310ERS2 safety tags be changed from an HMI like ordinary setpoints?
Only design-approved, permitted interactions should be exposed, and they must not bypass the validated safety function. Treat safety-related operator input as part of the risk assessment and validation rather than ordinary process data.
What must be preserved when replacing 5069-L310ERS2?
Record firmware, project revision, safety network numbers, ownership and the valid safety signature. After replacement, follow the controlled download and verification procedure and test the complete safety function.
Why does 5069-L310ERS2 report a safety I/O connection mismatch?
Compare the configured device catalog, revision, electronic keying, safety network identity and connection parameters with the installed module. A standard I/O connection can appear healthy while the safety connection is rejected.
Can the USB port of 5069-L310ERS2 remain connected to a service computer?
The USB 2.0 Type-B port is intended for temporary local programming, not permanent production communication. Remove the cable after attended maintenance and use the Ethernet design for normal operation.
How should growth be planned around the 24-node limit of 5069-L310ERS2?
Reserve node capacity for anticipated safety adapters, drives, remote I/O and supervisory devices before commissioning. A later device addition may require architecture changes even when memory remains available.
Dedicated Account Management
Moore Automation
One contact from enquiry through order communication
Moore Automation assigns an account manager to maintain continuity across product details, quotations and progress updates. Buyers do not need to restart the same model discussion at each commercial step.
Send the complete part number and quantity so the requested variant remains clear from enquiry through quotation.
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