Allen Bradley 1761-L20BWB-5A MicroLogix 1000 Programmable Controller

Overview
The Allen Bradley 1761-L20BWB-5A is a compact MicroLogix 1000 programmable logic controller designed for reliable industrial automation in small to mid-level control applications. It provides stable logic processing with integrated I/O, making it suitable for machine control, sequencing, and basic process automation. Its slim and compact design supports efficient installation in space-constrained control panels.

General Information
Part Number: 1761-L20BWB-5A

Manufacturer: Allen-Bradley (Rockwell Automation)

Brand: Allen-Bradley

Country of Origin: United States

Series: MicroLogix 1000

Product Type: Programmable Logic Controller (PLC)

I/O Configuration: Integrated digital input/output

Mounting Type: DIN rail or panel mounting

Programming Software: RSLogix 500 compatible

Controller Architecture: Fixed I/O compact PLC design

Power Specifications
Input Voltage: 120 V AC (model dependent configuration)

Power Consumption: Approximately 20–30 W typical operation

Internal Power Supply: Built-in AC power module

Protection: Over-voltage and short-circuit protection

Inrush Current: Low surge start-up current design

Communication & Interface
Communication Port: RS-232 serial interface

Protocol Support: DF1 communication protocol

Programming Interface: Serial programming connection

Status Indicators: LED indicators for run, fault, and communication status

Expansion Capability: Limited expansion via compatible MicroLogix modules

Environmental
Operating Temperature: 0 to 55 °C

Storage Temperature: −40 to 85 °C

Humidity: 5% to 95% non-condensing

Vibration Resistance: Suitable for industrial environments

Installation Environment: Control cabinet installation required

Dimensions & Weight
Dimensions (H × W × D): 200 × 40 × 80 mm

Weight: 0.798 kg

Reliable control. Consistent performance. Built for industrial demands.