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Allen Bradley

Allen Bradley PLC-5 1785-L20B Processor Module

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ManufacturerAllen Bradley

Part number1785-L20B

Part Number 1785-L20B

Manufacturer Allen Bradley

Series PLC-5

Type Processor Module

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12-month warranty

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Veteran-owned

CAGE: 9NK75

20KB memory capacity Robust PLC-5 architecture High reliability Supports up to 512 I/O points Efficient instruction processing

Product description

The Allen Bradley 1785-L20B is a PLC-5 processor module, featuring 20KB of memory for program and data storage. This processor is a key component for small to medium-sized automation systems, offering robust control capabilities and reliability essential for industrial applications.

This PLC processor is suitable for a wide range of applications in manufacturing, process control, and material handling. Its compatibility with the PLC-5 platform makes it a viable option for maintaining existing systems or for specific control tasks requiring its capabilities.

Stanlo Automation, a veteran-owned business, supplies surplus Allen Bradley industrial automation parts, including the 1785-L20B processor. We are dedicated to providing quality parts and exceptional service to keep your operations running efficiently.

Technical specifications

Part Number	1785-L20B
Manufacturer	Allen Bradley
Series	PLC-5
Type	Processor Module
Memory	20KB
I/O Capacity	512
Instruction Memory	10KB
Data Memory	10KB

Common applications

Manufacturing automation

Process control

Material handling

Assembly lines

Machine control

Compatible systems

Allen Bradley PLC-5 racks (e.g., 1785-R4, 1785-R8) Allen Bradley PLC-5 I/O modules

Also known as

Allen Bradley PLC-5 CPU AB 1785-L20B PLC-5 Processor 20KB PLC Controller

Replaces / compatible with

The 1785-L20B is a standard processor for the Allen-Bradley PLC-5 family. It can replace other PLC-5 processors with similar memory and I/O capabilities.

Technical note

Expert tip

This processor requires a PLC-5 rack and appropriate power supply for operation.

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Frequently asked questions

What is the memory capacity of the Allen Bradley 1785-L20B PLC-5 processor?

The Allen Bradley 1785-L20B PLC-5 processor module is equipped with 20KB of total memory. This is divided into 10KB for instruction memory (program) and 10KB for data memory.