The 1769-L19ER-BB1B is a compact Logix L1 controller for small-to-mid-size industrial automation. It combines CPU, built-in 24V DC power supply, and integrated digital I/O in a DIN-rail-mounted form factor, eliminating the need for batteries by using maintenance-free energy storage. Expansion is via the 1734 POINT I/O system, with dual-port Ethernet for DLR or linear topologies, making it ideal for localized machine control.
| Item | Specification |
|---|---|
| Catalog Number | 1769-L19ER-BB1B |
| User Memory | 1 MB (volatile) |
| On-Board I/O | 16 × 24 V DC inputs / 16 × 24 V DC outputs |
| Ethernet Ports | 2 × EtherNet/IP (DLR and linear topologies) |
| Network Capacity | Up to 8 EtherNet/IP nodes |
| Expansion | Up to 6 local 1734 POINT I/O modules |
| Programming Port | 1 × USB 1.1 (high-speed) |
| Non-Volatile Storage | 1 GB SD card (1784-SD1 included) |
| Power Supply | Integrated 24 V DC input |
| Module Width | 100 mm |
| Operating Temperature | 0–60 °C |
| Programming Environment | Studio 5000 Logix Designer / RSLogix 5000 |
| Data Integrity | Maintenance-free energy storage (no battery) |
| Tasks Supported | 32 tasks, 100 programs per task |
Battery-free design: uses internal capacitors for RTC and SD memory transfer
Supports dual-port Ethernet for star, linear, or redundant ring networks
Local expansion limited to 1734 POINT I/O; 1769 Compact I/O is not supported
Supports 32 tasks with up to 100 programs per task, despite compact size
BB1B and BB2B are functionally interchangeable in most Studio 5000 projects
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