1769-L30ERM 1769-L30-1 1769-L30-2 1769-L30-4

The Allen Bradley 1769-L30 is a CompactLogix 5370 L3 series programmable automation controller (PAC) designed for mid-range industrial applications requiring higher memory capacity, advanced Ethernet communication, and flexible I/O expansion. It delivers a strong balance between performance and scalability, making it suitable for complex machine control, process automation, and connected factory systems.

This controller is part of the CompactLogix family, widely used in OEM machinery and industrial plants where deterministic control, Ethernet/IP networking, and modular expansion are essential.

Technical Specifications

Specification Item	Details
Manufacturer	Allen Bradley (Rockwell Automation)
Model Number	1769-L30
Product Family	CompactLogix 5370 L3
Controller Type	Programmable Automation Controller (PAC)
User Memory	Approx. 1 MB
Communication Ports	Dual EtherNet/IP ports (integrated switch)
Ethernet Topology	Linear, star, Device Level Ring (DLR)
Ethernet Nodes	Up to 16 devices
TCP/IP Connections	Up to 120
I/O Capacity	Up to 8 Compact I/O modules (1769 series)
Expansion Banks	Supports multiple expansion banks (system dependent)
Programming Software	Studio 5000 Logix Designer
Data Storage	SD card support (for project storage/firmware)
Task Capacity	Multiple tasks and programs supported
Real-Time Clock	Yes (battery-backed depending on configuration)
Power Supply	24V DC system power
Isolation	Industrial Ethernet and system isolation
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 85°C
Mounting Type	DIN rail / panel mount
Dimensions	Approx. 118 × 105 × 87 mm
Weight	Approx. 0.6–0.8 kg

Recommended Related Models

Related Model	Function
1769-L30ER	Enhanced Ethernet CompactLogix controller
1769-L24ER-QB1B	Mid-range integrated I/O controller
1769-L23E-QBFC1B	CompactLogix with embedded I/O
1769-IQ16	Digital input module
1769-OB16	Digital output module
1769-IF8	Analog input module

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Model	Category
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1783 Ethernet Switches	Industrial networking
1606 Power Supplies	Industrial DC power systems

Industrial Applications

The 1769-L30 is widely used in industrial environments requiring mid-level PLC performance with strong networking and scalable I/O architecture.

Typical applications include:

OEM machine automation systems
Packaging and labeling equipment
Conveyor and material handling systems
Process control systems
Pump and motor control stations
HVAC and building automation systems
Production line coordination systems
Industrial communication-based control networks

Its dual Ethernet architecture and expanded memory make it suitable for more complex control strategies and connected industrial systems.

Key Advantages

High Memory Capacity for Complex Logic

Provides approximately 1 MB of user memory, enabling advanced control logic, data handling, and multi-task execution.

Dual EtherNet/IP Communication

Integrated dual Ethernet ports support Device Level Ring (DLR) for resilient industrial networking and simplified switch-less architectures.

Scalable Modular Expansion

Supports multiple Compact I/O modules, allowing flexible system growth without replacing the controller.

Industrial Networking Flexibility

Supports modern EtherNet/IP communication used in SCADA, HMI, remote I/O, and industrial integration systems.

Reliable Compact Architecture

Designed for long-term industrial operation with strong diagnostics and stable real-time control performance.

Technical FAQs

1. What is the 1769-L30 used for?

It is used as a CompactLogix PLC for controlling industrial machines and medium-complexity automation systems.

2. What is its memory size?

It provides approximately 1 MB of user memory.

3. Does it support Ethernet communication?

Yes. It includes dual EtherNet/IP ports with built-in switching capability.

4. What is DLR in this controller?

DLR (Device Level Ring) allows Ethernet network redundancy for improved reliability.

5. How many I/O modules can it support?

It supports up to 8 Compact I/O modules depending on system configuration.

6. What software is used for programming?

It is programmed using Studio 5000 Logix Designer.

7. Is it suitable for OEM machines?

Yes. It is widely used in OEM automation systems due to its balance of performance and scalability.

8. Does it support remote monitoring?

Yes. Ethernet/IP connectivity enables integration with HMI and SCADA systems.

9. What power supply does it require?

It operates on a 24V DC industrial power system.

10. Why is the 1769-L30 widely used?

Because it offers a strong combination of memory capacity, dual Ethernet networking, and scalable Compact I/O support in a mid-range industrial controller platform.

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