1769-L30ERM | Allen-Bradley CompactLogix 5370 Controller Supplier

1769-L30ERM Product Overview

When a production line demands precise motion control and reliable communication, the 1769-L30ERM from Allen-Bradley delivers. This CompactLogix 5370 controller integrates 1 MB of user memory, dual EtherNet/IP ports, and a USB port for programming. It supports up to eight local Compact I/O modules and three expansion banks, making it a scalable choice for mid-size automation systems.

Key Features and Technical Specifications

• Manufacturer: Rockwell Automation / Allen-Bradley
• Part Number: 1769-L30ERM
• Product Line: CompactLogix
• Product Type: Programmable Automation Controller
• Module Type: Processor Module
• Communication: Ethernet with 2 EtherNet/IP ports and 1 USB port
• Motion Control: Integrated over EtherNet/IP, supporting up to 4 axes
• Memory: 1 MB user memory; non-volatile memory via 1784-SD1 card (1 GB included)
• Maximum I/O Modules Supported: 8 modules
• Maximum I/O Banks Supported: 3 banks
• Power Dissipation: 4.5 Watts
• Operating Temperature: 0° to +60°C (+32° to +140°F)
• Vibration: Operating 10 to 500 Hz, 5G, 0.030 in. peak-to-peak
• Shipping Weight: 3 lbs.
• Shipping Dimensions: 11 x 8 x 6 in.
• Series: A and B
• Power Supply Distance Rating: 4
• Replacement Terminal Block: 1769-RTBN18
• Wire Type: Copper, 90°C; Solid 22-14 AWG, Stranded 22-16 AWG
• Programming Languages: Relay Ladder, Structured Text, Function Block, SFC

A distinctive feature is the integrated motion control for up to four axes over EtherNet/IP. This eliminates the need for separate motion modules, reducing wiring and cabinet space.

Applications and Use Cases

This controller excels in packaging, material handling, and assembly lines where coordinated motion and real-time data exchange are critical. For example, a conveyor system with multiple servo drives can be synchronized using the 1769-L30ERM's built-in motion capabilities. Its dual Ethernet ports support linear, ring, or star topologies, enabling flexible network design.

Installation and Setup

Mount the 1769-L30ERM on a DIN rail or panel using the provided slots. Connect I/O modules to the right side, respecting the power supply distance rating of 4. Use copper wire rated for 90°C, with solid 22-14 AWG or stranded 22-16 AWG for field wiring. For programming, connect via USB or Ethernet and use Studio 5000 Logix Designer (version 21.xx or later).

Maintenance and Reliability

From a maintenance engineer's perspective, the 1769-L30ERM offers high reliability with a rugged design rated for 0° to +60°C and vibration up to 5G. Periodically inspect the terminal block (replacement part 1769-RTBN18) and ensure the non-volatile memory card (1784-SD1) is seated properly. The low power dissipation of 4.5 W minimizes heat buildup in the cabinet.

Compatibility and Integration

The 1769-L30ERM integrates seamlessly with CompactLogix I/O modules and supports EtherNet/IP networks. It can communicate with drives, sensors, and other automation devices using standard Ethernet protocols. The dual ports allow device-level ring (DLR) topology for network redundancy.

Frequently Asked Questions

Q: What is the maximum number of I/O modules the 1769-L30ERM supports?

A: It supports up to eight local Compact I/O modules and three expansion banks.

Q: Does the 1769-L30ERM include motion control?

A: Yes, it supports integrated motion control for up to four axes over EtherNet/IP.

Q: What programming languages can I use with this controller?

A: It supports Relay Ladder, Structured Text, Function Block, and SFC (Sequential Function Chart).

Q: What is the operating temperature range?

A: The operating temperature is 0° to +60°C (+32° to +140°F).

Q: What non-volatile memory options are available?

A: The controller ships with a 1784-SD1 card providing 1 GB of non-volatile memory. A 1784-SD2 card with 2 GB is available separately.

Product Support and Availability

The 1769-L30ERM is a current product from Allen-Bradley. It is in stock and ready to ship from Petro Auto Tech. For lifecycle status and ordering assistance, contact our team.