The Allen-Bradley 1785-L40E is a PLC-5/40E Ethernet/IP controller. It provides embedded TCP/IP communication capabilities, enabling communication with other Ethernet PLC-5 processors and host computers. This controller is part of the PLC-5 family from Rockwell Automation.

Technical Specifications

Processor:

The 1785-L40E uses a 68020 microprocessor.

Memory:

It comes with 256K of battery-backed RAM, expandable to 2MB.

I/O Ports:

• One dedicated 15-pin, Ethernet/IP port with TCP/IP protocol.
• Two Data Highway Plus (DH+)/Remote I/O (Adaptor or Scan) ports for the Allen-Bradley Data Highway (DH+) network.
• One RS-232-C, 422-A, and 423-A serial communication port.

Communication:

Supports Ethernet/IP, Data Highway Plus (DH+), RS-232-C, 422-A, and 423-A.

Power Requirements:

The 1785-L40E requires 24 VDC.

Operating Temperature:

It operates within a range of 0 to 60°C (32 to 140°F).

Dimensions:

The controller measures 8.5 inches (216 mm) x 6.3 inches (160 mm) x 3.5 inches (89 mm).

Additional Features

High-Speed Communication:

The 1785-L40E supports high-speed communication over Ethernet/IP. This makes it ideal for applications requiring fast data transfer rates.

Scalability:

You can expand the 1785-L40E to 2MB of memory, making it suitable for various applications.

Rugged Construction:

Designed for harsh environments, the 1785-L40E has a NEMA 4/IP66 rating.

Applications

Manufacturing:

Use the 1785-L40E to control manufacturing processes, including assembly lines, packaging machines, and conveyor systems.

Building Automation:

The 1785-L40E can control HVAC systems, lighting systems, and security systems.

Food and Beverage:

This controller can manage food and beverage processing equipment, such as mixers, cookers, and fillers.

Oil and Gas:

Control oil and gas production equipment like pumps, valves, and compressors with the 1785-L40E.