Home › Manufacturers › Allen Bradley › 1785-L30B

Allen Bradley

Allen Bradley PLC-5/30 1785-L30B Standard Processor Controller

Allen Bradley PLC-5/30 controller with 32K memory and versatile communication.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerAllen Bradley

Part number1785-L30B

Manufacturer Allen Bradley

Series PLC-5

Model 1785-L30B

Type Standard Processor Controller

Get a price for 1785-L30B

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

32K words user memory Dual DH+/Remote I/O ports Configurable serial port Supports up to 1024 I/O devices Battery-backed SRAM PLC-5 architecture

Product description

The Allen-Bradley 1785-L30B is a PLC-5/30 standard processor controller, a robust component in industrial automation. It features 32K words of user memory, capable of handling complex control logic and data. With two DH+/Remote I/O combination ports configurable as adapter or scanner, and a serial port supporting RS-232, 423, and 422A, it offers versatile communication capabilities.

This controller is designed for demanding manufacturing and process control applications, supporting up to 1024 I/O devices (any mix or 1024 in + 1024 out). Its reliability and extensive I/O support make it suitable for industries such as automotive, food and beverage, and pharmaceuticals requiring dependable automation solutions.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Allen-Bradley 1785-L30B. We are committed to supplying quality industrial automation components. Secure your critical automation parts from Stanlo Automation.

Technical specifications

Manufacturer	Allen Bradley
Series	PLC-5
Model	1785-L30B
Type	Standard Processor Controller
Memory	32K words SRAM
Communication Ports	2x DH+/Remote I/O (Adapter/Scanner), 1x Serial (RS-232/423/422A)
Max I/O	1024 (any mix) or 1024 In / 1024 Out

Common applications

Manufacturing automation

Process control

Assembly lines

Packaging machinery

Material handling

Food and beverage automation

Automotive manufacturing

Compatible systems

PLC-5 family chassis Remote I/O racks SLC 500, ControlLogix, MicroLogix (via network connections)

Also known as

Allen Bradley PLC-5/30 processor 1785-L30B controller PLC-5 32K controller

Replaces / compatible with

The 1785-L30B is a part of the PLC-5 family and can replace earlier PLC-5 processors with similar I/O and communication requirements.

Technical note

Expert tip

The 1785-L30B requires a battery for memory backup; ensure a compatible battery (e.g., 1770-XYC) is installed and functional.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What communication protocols does the Allen Bradley 1785-L30B controller support?

The Allen Bradley 1785-L30B controller supports Data Highway Plus (DH+), Remote I/O, and serial communication protocols including RS-232, RS-423, and RS-422A.