Allen-Bradley CompactLogix 1769-L30ER-NSE Dual Ethernet PLC

Overview
The 1769-L30ER-NSE is a CompactLogix processor module by Allen-Bradley featuring dual Ethernet ports with Device Level Ring (DLR) support for redundant network configurations. Designed for reliable and high-speed control in CompactLogix systems, it integrates serial communication capabilities and expandable memory for versatile industrial applications.

Technical Specifications

• Brand & Model: Allen-Bradley 1769-L30ER-NSE

• Product Type: CompactLogix Processor Module

• Product Line: CompactLogix

• Module Type: Processor/Controller

• Memory: 1 MB

• Communication Interfaces: Dual Ethernet with DLR, Serial port

• Supported Series: A and B

• Replacement Terminal Block: 1769-RTBN18

• Wire Type: Copper rated 90°C

• Solid Wire Size: 22–14 AWG

• Stranded Wire Size: 22–16 AWG

• Weight: 12 lbs (5.44 kg)

• Mounting Options: Panel and DIN Rail

Features

• Dual Ethernet ports with Device Level Ring (DLR) for network redundancy

• High-reliability processor module for CompactLogix 5370 L1 systems

• Compatible with A and B series modules

• Easy wiring and robust terminal blocks for industrial applications

Applications
Ideal for CompactLogix automation systems, machine control, and industrial networks requiring dual Ethernet connectivity with DLR redundancy.

FAQ

Q: What is DLR on the 1769-L30ER-NSE?
A: Device Level Ring provides redundant Ethernet communication, allowing continued operation if one network path fails.

Q: Which wire sizes are compatible?
A: Solid wires 22–14 AWG, stranded wires 22–16 AWG, copper rated 90°C.

Q: Can it replace earlier CompactLogix modules?
A: Yes, compatible with A and B series modules.