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Allen Bradley 1785-L40B PLC-5 Controller with CC I/O

Allen Bradley 1785-L40B PLC-5 Controller.

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ManufacturerAllen Bradley

Part number1785-L40B-CC

Processor PLC-5

Memory 16KB

Communication CC I/O (DH+ / ControlNet)

Backplane Type 1785 Series

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12-month warranty

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Veteran-owned

CAGE: 9NK75

16KB memory PLC-5 processor CC I/O support High reliability Robust construction Diagnostic LEDs

Product description

The Allen Bradley 1785-L40B is a PLC-5 controller, a robust and reliable programmable logic controller known for its powerful capabilities in industrial automation. This specific model features 16KB of memory and supports CC I/O (ControlNet/Data Highway Plus) communication, making it suitable for demanding control applications.

As a legacy product, the 1785-L40B has been a workhorse in various industries, including automotive, food and beverage, and manufacturing. Its durability and extensive functionality continue to be valued in many operational environments.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Allen Bradley 1785-L40B. We offer a reliable source for hard-to-find components to keep your older systems running.

Technical specifications

Processor	PLC-5
Memory	16KB
Communication	CC I/O (DH+ / ControlNet)
Backplane Type	1785 Series
Voltage	5V DC
Status Indicators	Yes

Common applications

Process control

Manufacturing automation

Material handling

Water/wastewater treatment

Power generation

Automotive assembly

Compatible systems

PLC-5 Chassis Data Highway Plus (DH+) ControlNet RSLogix 5000 (for configuration of some aspects)

Also known as

1785 L40B CC Allen Bradley PLC 5 PLC-5 Controller 16KB PLC-5

Replaces / compatible with

The 1785-L40B-CC is a PLC-5 controller that can replace other PLC-5 processors with similar specifications or memory. It is designed for the PLC-5 chassis system.

Technical note

Expert tip

The 1785-L40B-CC requires a PLC-5 chassis and a compatible power supply. Ensure all modules are properly seated and communication cables are securely connected.

What happens next?

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Frequently asked questions

What is the memory capacity of the Allen Bradley 1785-L40B-CC controller?

The Allen Bradley 1785-L40B-CC controller is equipped with 16KB of memory. This memory stores the user program, data, and configuration for the PLC.