Open Automation Software
Moving Data From Anywhere to Anywhere

Allen Bradley IoT Data Historian
AB ControlLogix Data Logging for SQL Server, Oracle,
Access, mySQL, and CSV Files


Everything you need to build world-class SCADA, HMI, .NET, and Web Applications quickly. Without touching a line of code!

AB Data Logab_controllogix


AB Logix: ControlLogix, CompactLogix, GuardLogix, and Micro800
AB Classic: MicroLogix, SLC 500, and PLC-5



Hard disk and database icon isolated on white background


Data Logging Types:

  • Continuous: Log continuously as fast as 100 nanoseconds.
  • Event Driven: Log one record based on trigger.
  • Data Change: Log a record for each value change.
  • Snapshot: Go back in time to record data prior to an event.
  • Time of Day: Log one record at a specific time each day.

Store and Forward:

No data loss on network failure or database fault.

100 Nanosecond Resolution:

Unique data handling of data from controller buffer to record values as fast as the controller can process values.

Open Format:

Data is logged to databases in an open format to access directly from any third party reporting system.

Log data to SQL Server, Oracle, Access, mySQL, Azure SQL, and CSV files.

Automated Setup:

Utilize One Click Allen Bradley together with One Click Database to automatically setup logging of all data from the controller.

Or utilize programmatic setup of Tags and Data Logging with a .NET application.

Edge Computing with OAS Distributed Network Architecture

Cost-effective Licensing

OAS licensing is based on three simple factors:

  1. The number of tags you need to connect to
  2. The number of OAS products needed to connect your data sources
  3. Whether you need a networked or stand-alone system

You can deploy unlimited client applications for each Distributed Network Architecture enabled server.

Stand Alone systems
start at
Networked unlimited user systems
start at

Allen Bradley Data Historian

Data Historian Videos

ControlLogix Data Logging

Quick demonstration of logging high speed data from an Allen Bradely ControlLogix processor to SQL Server.

Setup Data Logging

How to setup Data Logging Groups for Continuous, Event, Data Change, and Snapshot recording. Refer to One Click Database above to automate the setup.

One Click Allen Bradley

How to automatically import Allen Bradley variables to Open Automation Software.

One Click Database

Automatically setup data logging to SQL Server of all data from Kepware OPC Server in one step.

Data Historian Features

10 Things Your Data Historian Should Do
How to implement OAS Data Logging automated features for local and networked data logging.

Data Buffering

How to setup data logging so there is no data loss on a network or database engine failure.

One Click Allen Bradley

How to automatically import Allen Bradley variables to Open Automation Software.

OAS Introduction

OAS Introduction

Introduction to Open Automation Software. IoT / SCADA / HMI software for .NET, web, and Big Data.

OAS IoT Software

Overview of IoT software products by Open Automation Software.

IIoT Software with Edge Computing Distributed Network Architecture

Connect Data Sources

Make virtually limitless connections from a huge range of data sources with OAS Universal Data Connector feature.

Universal Data Connector

Move Data

Move data quickly and securely and in an open format using our innovative Distributed Network Architecture.

Distributed Network Architecture

Create Applications

Create powerful .NET, web and cross-platform mobile HMI applications. Access OAS data from anywhere and from any device.

Application Development