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ControlLogix 5560 Controller 1756-L61 (discontinued)
| Rockwell lifecycle status | Discontinued 01/06/2017 (read on 25 September 2026) |
|---|---|
| Replacement | 1756-L81E — TDL proposal |
The Rockwell product page lists the category Functional Replacement but names no catalog number. TDL proposes ControlLogix 5580 sized by memory: 1756-L81E (3 MB), a family with an integrated EtherNet/IP port.
Key data
| Memory | 2 MB |
|---|---|
| I/O memory | 478 KB |
| Memory card | 1784-CF128 CompactFlash 128 MB (optional) |
| Ports | 1 × RS-232 (cable 1756-CP3) |
| Max controller connections | 250 |
| Memory retention on power loss | Battery (series A: 1756-BA1; 1756-BATM or 1756-BATA; series B: 1756-BA2) |
| Generation | ControlLogix 5560 |
| Replacement category | Functional Replacement |
| Migration path | ControlLogix 5580 (TDL proposal by memory size): 1756-L81E (3 MB) |
Lifecycle status changes over time: confirm the current status on the Rockwell product page or in the Product Compatibility and Download Center before ordering.
Related services: Lifecycle review and spare parts Rockwell Automation upgrades ControlLogix in TDL Projects
Other catalog numbers in this family: Legacy ControlLogix (1756)
1756-ENBT 1756-IF6I 1756-IT6I 1756-IR6I 1756-OF6CI 1756-L62 1756-L63 1756-L64 1756-L65 1756-CNB 1756-CNBR 1756-DHRIO 1756-RIO
Sources
- Rockwell Automation, Rockwell product page 1756-L61 — read on 25 September 2026
- Rockwell Automation, 1756-TD001S — p. 3; 11
- Rockwell Automation, 1756-TD001W — p. 17; 19
- Rockwell Automation, 1756-UM001Q — p. 10
- Rockwell Automation, rockwellautomation.com product page