Home › Catalog by product family › CompactLogix 5370 (1769-L)
1769-L18ER-BB1B – CompactLogix L18 512KB Ctlr
1769-L18ER-BB1B is an Allen-Bradley CompactLogix 5370 (1769-L) catalog number. The ratings and the lifecycle status below are as shown on its Rockwell product page, read on 3 November 2026. TDL quotes it as a spare or for a project, and can carry out the installation, configuration and testing on site.
| Catalog number | 1769-L18ER-BB1B |
|---|---|
| Rockwell description | CompactLogix L18 512KB Ctlr |
| Memory | 512 KB |
| Ports | 2 Ethernet ports (DLR) |
| I/O, nodes | Embedded 16 DC inputs (sink) / 16 DC outputs (source); up to 8 expansion modules (POINT Bus); up to 8 EtherNet/IP nodes |
| Type | standard |
| Rockwell lifecycle status | Active — sold and supported (read on 3 November 2026) |
| Product family | CompactLogix 5370 and Compact GuardLogix 5370 controllers (1769-L1/L2/L3) |
Lifecycle status changes over time: confirm the current status on the Rockwell product page or in the Product Compatibility and Download Center before ordering.
About this product family
- CompactLogix 5370 L1 controllers (1769-L16ER/L18ER/L19ER-BB1B) run on 24 V DC only, have 16 embedded DC inputs and 16 DC outputs, and expand with POINT I/O modules.
- CompactLogix 5370 L2 controllers (QBFC1B) combine embedded digital I/O, analog I/O and four high-speed counters with up to four 1769 expansion modules.
- CompactLogix 5370 L3 controllers have dual Ethernet ports with DLR capability and ship with a 1 GB SD card.
Other catalog numbers in this family
1769-L16ER-BB1B 1769-L18ERM-BB1B 1769-L19ER-BB1B 1769-L24ER-QBFC1B 1769-L27ERM-QBFC1B 1769-L30ERM 1769-L33ERM
All 12 catalog numbers in the family table Current replacement parts CompactLogix in TDL Projects
Related services: Lifecycle review and spare parts Rockwell Automation upgrades
Sources
- Rockwell Automation, Rockwell product page 1769-L18ER-BB1B — read on 3 November 2026
- product pages 1769-L16ER-BB1B, 1769-L18ER-BB1B, 1769-L19ER-BB1B
- product pages 1769-L24ER-QBFC1B, 1769-L27ERM-QBFC1B
- product pages 1769-L33ERM, 1769-L36ERM