1769-L16ER-BB1B Allen-Bradley CompactLogix Controller

1769-L16ER-BB1B Allen-Bradley CompactLogix 5370 L1 PLC Processors

1769-L16ER-BB1B Allen-Bradley CompactLogix 5370 L1 PLC Processors

Availability: 99 left in stock

Allen-Bradley 1769-L16ER-BB1B CompactLogix 5370 L1 Controller The Allen-Bradley 1769-L16ER-BB1B, also cataloged as the 1769-L16ER-BB1B CompactLogix 5370 L1 Controller, operates as...

SKU: 1769-L16ER-BB1B

Manufacturer: Allen Bradley
Product No.: 1769-L16ER-BB1B
Product Type: PLC Processors
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-L16ER-BB1B CompactLogix 5370 L1 Controller

The Allen-Bradley 1769-L16ER-BB1B, also cataloged as the 1769-L16ER-BB1B CompactLogix 5370 L1 Controller, operates as a dedicated hardware component for deterministic logic execution and real-time machine control within distributed Ethernet/IP network environments. It provides direct physical processing of 16 embedded sinking inputs and 16 sourcing outputs while maintaining dual-port Ethernet connectivity for redundant ring topologies.

Suffix Breakdown & Model Matrix

The 1769-L16ER-BB1B base catalog number encapsulates specific platform attributes defined by Rockwell Automation engineering standards:

1769: Represents the Compact platform hardware chassis family.
L1: Denotes the CompactLogix 5370 L1 controller tier, utilizing integrated I/O blocks.
6E: Designates 384 KB of user memory capacity.
R: Indicates built-in dual-port Ethernet support with Device Level Ring (DLR) capabilities.
BB1: Specifies the embedded digital I/O configuration (16 DC inputs / 16 DC outputs).
B: Represents the controller series revision code.

Hardware Specifications

Parameter	Specification
Model	1769-L16ER-BB1B
Brand	Allen-Bradley / Rockwell Automation
Origin	USA
Weight	0.45 kg
Dimensions	118 mm x 101 mm x 87 mm
Operating Temp	-20 to +60 deg C
Power Consumption	400 mA at 24 VDC
User Memory	384 KB (0.375 MB)
Embedded Digital Inputs	16 Sink Inputs (24 VDC)
Embedded Digital Outputs	16 Source Outputs (24 VDC)
Communication Ports	2 Ethernet (DLR supported), 1 USB
Storage Media	1GB SD Card (Removable non-volatile)
Expansion Capacity	Supports up to 6 1734 POINT I/O modules
Enclosure Type	Open Style DIN Rail / Panel Mount

Backplane Bus Communication & Deterministic Networks

The controller interfaces internally with local expansion blocks and external nodes through deterministic Ethernet/IP and backplane bus communication velocity frameworks. Dual-port integration facilitates Device Level Ring (DLR) fault-tolerant architectures, eliminating single-point network failures across distributed machine cells. Furthermore, rigorous I/O density scaling allows firmware flash compatibility and real-time tag updates across connected 1734 POINT I/O expansion racks without inducing packet latency or scan jitter.

Frequently Asked Questions

Q: Can the 1769-L16ER-BB1B controller utilize standard 1769 Compact I/O expansion modules?

A: No. The L1 5370 controller architecture exclusively supports 1734 POINT I/O expansion modules attached to its right-hand communication interface, rather than traditional 1769 rack-mounted modules.

Q: What is the firmware recovery and storage behavior when the internal SD card is removed?

A: The included 1GB industrial SD card stores non-volatile user program projects, tag data backups, and operating firmware. Removing the card during active execution without a proper software save command risks memory corruption, requiring a firmware re-flash via the front-panel USB port.

Q: Does this controller support hot-swapping of local embedded field wiring terminals?

A: No. The integrated terminal blocks on the base unit do not feature hot-swap removal capabilities. Power must be entirely isolated from the 24 VDC input/output terminals before servicing field wiring.

Field Installation Guidelines

Mount the controller securely onto a grounded 35 mm DIN rail or fasten it directly to a conductive subpanel using M4 mounting screws to ensure low-impedance earth grounding. Maintain a minimum clearance of 50 mm above and below the enclosure housing to allow adequate thermal convection across the operational temperature range. Connect the 24 VDC external power source to the dedicated terminal header, ensuring proper polarity to prevent internal fuse tripping. Route Ethernet communication cables through shielded industrial conduits separated by at least 150 mm from high-voltage motor power leads and Variable Frequency Drives (VFDs) to mitigate electromagnetic interference (EMI). Verify that all wire strippings and terminal screw torque settings comply with Rockwell Automation tightening specifications to prevent loose contact resistances.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.