Home › Manufacturers › Allen Bradley › 1761-L20BWB

Allen Bradley

Allen Bradley 1761-L20BWB MicroLogix 1500 PLC

Allen Bradley 1761-L20BWB MicroLogix 1500 PLC with 20 I/O.

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

In Stock — Ready to Ship

ManufacturerAllen Bradley

Part number1761-L20BWB

Product Type PLC

Series MicroLogix 1500

I/O Points 20 (12 In, 8 Out)

Memory 10KB (Program & Data)

Get a price for 1761-L20BWB

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

Compact size 20 integrated I/O points 10KB memory Battery backup support DF1 communication protocol Easy to program

Product description

The Allen Bradley 1761-L20BWB is a compact programmable logic controller (PLC) from the MicroLogix 1500 series. It features 20 built-in I/O points (12 digital inputs, 8 digital outputs), 10KB of memory for program and data, and supports battery backup for retaining data during power outages. This model is known for its small footprint and ease of use, making it suitable for standalone applications.

This PLC is widely used in various industrial automation applications, including machine control, process automation, and building automation systems. Its versatility and Allen-Bradley reliability make it a popular choice for small to medium-sized automation projects across different industries such as manufacturing, food and beverage, and packaging.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the 1761-L20BWB. We specialize in providing reliable and cost-effective access to industrial automation components, ensuring minimal downtime for your critical systems.

Technical specifications

Product Type	PLC
Series	MicroLogix 1500
I/O Points	20 (12 In, 8 Out)
Memory	10KB (Program & Data)
Power Supply	Internal
Communication Ports	RS-232 (for programming)

Common applications

Machine Control

Process Automation

Building Automation

OEM Machines

Small Industrial Systems

Compatible systems

Requires 24VDC power supply Programmable via RS-232 using DF1 protocol

Also known as

1761L20BWB Allen Bradley MicroLogix 1500 MicroLogix 20 I/O PLC 1761 Series PLC

Replaces / compatible with

Replaces older or discontinued PLCs in applications requiring 20 I/O points and DF1 communication.

Technical note

Expert tip

This PLC requires an external 24VDC power supply and a compatible serial cable (like 1761-CBLPM02) for programming.

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 are the key specifications of the Allen Bradley 1761-L20BWB PLC?

The 1761-L20BWB is a MicroLogix 1500 PLC with 20 I/O points (12 digital inputs, 8 digital outputs), 10KB of memory, and an RS-232 serial port for programming. It supports battery backup to retain program and data.