Allen-Bradley 1769-L16ER-BB1B CompactLogix Controller
Configured for high-speed motion, embedded I/O handling, and deterministic field network integration in Ethernet/IP automation architectures, the Allen-Bradley 1769-L16ER-BB1B (1769-L16ER-BB1B CompactLogix Controller) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
| Part Number / Catalog Model | Embedded Digital Inputs | Embedded Digital Outputs | Communication Capability | Memory Architecture |
|---|---|---|---|---|
| 1769-L16ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 384 KB Internal / 1 GB SD Card Included |
| 1769-L18ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 512 KB Internal / 1 GB SD Card Included |
| 1769-L19ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 1 MB Internal / 1 GB SD Card Included |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-L16ER-BB1B |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.65 lbs (0.75 kg) |
| Dimensions | Standard CompactLogix 1769 L1 Form Factor |
| Operating Temp | -20 to 60 deg C (-4 to 140 deg F) |
| Power Consumption | 1 A at 5 VDC backplane current draw |
| Input Supply Voltage | 24 VDC ONLY |
| On-Board Memory | 384 KB Internal (0.375 MB) |
| Non-Volatile Memory | 1 GB Secure Digital (SD) Card Included |
| Embedded Digital Inputs | 16 Points (24 VDC Sinking) |
| Embedded Digital Outputs | 16 Points (24 VDC Sourcing) |
| Expansion Capacity | Up to 6 POINT I/O (1734) expansion modules supported |
| Communication Interfaces | 2 EtherNet/IP Ports (Device Level Ring / DLR), 1 USB Port |
| Active TCP Connections | 4 (Type S) |
| Status Visuals | LED Status Indicators |
| Mounting Type | DIN Rail / Panel Mount |
Deterministic Ethernet/IP Networks and Firmware Synchronization
The 1769-L16ER-BB1B controller features dual-port Ethernet functionality configured to support Device Level Ring (DLR) network topologies, guaranteeing fault-tolerant loop recovery and backplane bus communication velocity across distributed industrial nodes. Firm physical and logic separation between task-driven execution loops maintains high-speed application scanning, while firmware flash compatibility enables seamless deployment of CIP safety, motion scaling, and direct controller-to-controller data routing without CPU bandwidth degradation.
Frequently Asked Questions
Q: How many expansion modules can be directly added to the 1769-L16ER-BB1B assembly?
A: The controller supports a maximum of up to 6 POINT I/O (1734 series) expansion modules connected locally along its backplane connector interface.
Q: What network topology does the dual Ethernet port architecture support?
A: The embedded dual Ethernet ports support Device Level Ring (DLR), linear, and star topologies for redundant network pathways.
Q: Is non-volatile data backup supported on this module?
A: Yes. The 1769-L16ER-BB1B includes a 1 GB SD card for non-volatile storage of user programs, firmware images, and system tag values.
Field Installation Guidelines
- Mount the unit on a standard 35 mm DIN rail or secure it to an enclosure backplate using appropriate mounting hardware, ensuring proper earthing connections to functional ground.
- Confirm that the input power wiring supplies a clean 24 VDC power source before energizing the controller terminal connections.
- Observe correct polarity when wiring the 16 sinking digital inputs and 16 sourcing digital outputs to prevent field component or input stage damage.
- Maintain proper cable routing by separating low-voltage Ethernet signal cables from heavy AC power cables and variable frequency drive output conduits.
- Secure the removable expansion end cap or POINT I/O expansion modules tightly to maintain 1734/1769 backplane bus continuity before running application logic.
Allen-Bradley 1769-L16ER-BB1B CompactLogix Controller
Allen-Bradley 1769-L16ER-BB1B CompactLogix Controller
Configured for high-speed motion, embedded I/O handling, and deterministic field network integration in Ethernet/IP automation architectures, the Allen-Bradley 1769-L16ER-BB1B (1769-L16ER-BB1B CompactLogix Controller) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
| Part Number / Catalog Model | Embedded Digital Inputs | Embedded Digital Outputs | Communication Capability | Memory Architecture |
|---|---|---|---|---|
| 1769-L16ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 384 KB Internal / 1 GB SD Card Included |
| 1769-L18ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 512 KB Internal / 1 GB SD Card Included |
| 1769-L19ER-BB1B | 16 Point 24 VDC (Sink) | 16 Point 24 VDC (Source) | Dual-Port EtherNet/IP (DLR), USB | 1 MB Internal / 1 GB SD Card Included |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-L16ER-BB1B |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.65 lbs (0.75 kg) |
| Dimensions | Standard CompactLogix 1769 L1 Form Factor |
| Operating Temp | -20 to 60 deg C (-4 to 140 deg F) |
| Power Consumption | 1 A at 5 VDC backplane current draw |
| Input Supply Voltage | 24 VDC ONLY |
| On-Board Memory | 384 KB Internal (0.375 MB) |
| Non-Volatile Memory | 1 GB Secure Digital (SD) Card Included |
| Embedded Digital Inputs | 16 Points (24 VDC Sinking) |
| Embedded Digital Outputs | 16 Points (24 VDC Sourcing) |
| Expansion Capacity | Up to 6 POINT I/O (1734) expansion modules supported |
| Communication Interfaces | 2 EtherNet/IP Ports (Device Level Ring / DLR), 1 USB Port |
| Active TCP Connections | 4 (Type S) |
| Status Visuals | LED Status Indicators |
| Mounting Type | DIN Rail / Panel Mount |
Deterministic Ethernet/IP Networks and Firmware Synchronization
The 1769-L16ER-BB1B controller features dual-port Ethernet functionality configured to support Device Level Ring (DLR) network topologies, guaranteeing fault-tolerant loop recovery and backplane bus communication velocity across distributed industrial nodes. Firm physical and logic separation between task-driven execution loops maintains high-speed application scanning, while firmware flash compatibility enables seamless deployment of CIP safety, motion scaling, and direct controller-to-controller data routing without CPU bandwidth degradation.
Frequently Asked Questions
Q: How many expansion modules can be directly added to the 1769-L16ER-BB1B assembly?
A: The controller supports a maximum of up to 6 POINT I/O (1734 series) expansion modules connected locally along its backplane connector interface.
Q: What network topology does the dual Ethernet port architecture support?
A: The embedded dual Ethernet ports support Device Level Ring (DLR), linear, and star topologies for redundant network pathways.
Q: Is non-volatile data backup supported on this module?
A: Yes. The 1769-L16ER-BB1B includes a 1 GB SD card for non-volatile storage of user programs, firmware images, and system tag values.
Field Installation Guidelines
- Mount the unit on a standard 35 mm DIN rail or secure it to an enclosure backplate using appropriate mounting hardware, ensuring proper earthing connections to functional ground.
- Confirm that the input power wiring supplies a clean 24 VDC power source before energizing the controller terminal connections.
- Observe correct polarity when wiring the 16 sinking digital inputs and 16 sourcing digital outputs to prevent field component or input stage damage.
- Maintain proper cable routing by separating low-voltage Ethernet signal cables from heavy AC power cables and variable frequency drive output conduits.
- Secure the removable expansion end cap or POINT I/O expansion modules tightly to maintain 1734/1769 backplane bus continuity before running application logic.
