Monitoring Your Data
With OAS Alarm Logging and Notification, you can capture events on each data point, log to open formats for historical analysis and archiving, and trigger real time notifications. Each notification can be sent via one or more methods, including email, SMS text messages, and voice mail.
a server-based, highly-scalable, network platform that enables the transport and transformation of your data
Data HistorianAchieve fault-tolerant logging, zero data loss, and multi-destination storage with our high-performance Store and Forward technology.
Visualization ToolsBuild Visualizations, User Interfaces, and server configuration interfaces for .NET, web technologies, native iOS and Android mobile apps
Device & Data ConnectorsThe OAS Platform provides rapid communications and connectivity to a wide variety of PLCs, devices, and databases.
IoT ConnectorsConnect to cloud-base IoT gateways such as AWS, Azure IoT Hub, Azure Event Hubs, Kafka, and more.
Alarm Logging & NotificationCapture events on each data point, log to open formats for historical analysis and archiving, and trigger real time notifications
SDKs & APIsExplore a wide variety of Developer Tools and APIs to allow you to create applications and system integrations to execute in any environment.
Networking FeaturesOpen Automation Software implements edge computing with a Distributed Network Architecture.
Download a fully functional trial of Open Automation SoftwareKey Features & Benefits
Industry 4.0 Data Sources
Modbus, Allen Bradley PLCs, Siemens S7 Controllers, OPC UA, OPC DA, MQTT, Sparkplug B, MTConnect, AWS IoT Core, Kafka, .NET, REST Clients, and Databases
Real Time Notification
Take action as soon as possible when data falls out of range. Notify users of alarm activity to virtually any client destination, via email, SMS, and voice.
Log Alarms to Open DBs
Track alarm states over time for offline review and predictive analytics. Log to MS SQL Server, Oracle DB, mySQL, SQL Azure, MongoDB, MariaDB, PostgreSQL, SQLite, Amazon Aurora, Amazon RDS, and CSV files.
Alarm Visualization
Built in interactive components allow you to create HMIs with live and historical alarms, on any platform including desktop apps, web applications, and mobile apps.
Monitor Any Source of Data
OAS supports a large library of Industry 4.0 data sources including Allen Bradley and Siemens PLCs, Modbus and MTConnect devices, OPC UA and DA Servers and Clients, Databases, applications, and more. Once connected, data from any source can be monitored, triggering Alarms for logging, notification, and visualization.
Custom Alarm Behaviors
Alarms can be enabled to monitor both analog and digital signals with fixed, adjustable, and tracking alarm limits. Alarm limits can be defined for high high, high, low, low low, rate of change, and digital alarms. Further customize your alarm conditions with a dead band, and even automate the tracking of alarm conditions to disable or enable them based on time of day or any other value within the system. OPC UA and OPC Alarm and Events can also be a source of alarms along with all OAS IIoT data sources.

Alarm Visualization
Alarm .NET
The OAS Alarm .NET product provides real-time alarming for WinForm and WPF applications. The interactive control allows users to visualize, filter, and manage real time and historical alarms.
Web Alarm
The OAS Web Alarm product allows you to display real time and historical alarms in an interactive table, viewable on any device with a web browser.
Open UIEngine
Enabled by the Web Alarm product, the Open UIEngine includes a robust interactive alarm viewer for real time and historical alarms.
Common Use Cases
Email or Text Production or Asset Status
Create a string calculation tag containing all status information that can be sent based on time or event.
Summarize Alarm States
Use the Tags tab of an Alarm Notification group to define OAS Tags that can contain status information.
How many alarms are currently active.
How many alarms have occurred in the last 24 hours.
One or more alarms is currently active and not acknowledged.
Alarm Escalation
Utilize the Tags tab in alarm notification groups to escalate unacknowledged alarm conditions over time. For more details, view the Alarm Escalation video. Learn more ..
Learn how thousands of customers are using the OAS Product Platform around the globe to achieve truly open industrial automation
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Support
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30+ Years
Experience
Product efficacy, market testing, and reliability
Used in 10K+
Data Servers
OAS is used in thousands of businesses worldwide
OAS Platform Features
Cross-Platform Support
The OAS Platform supports multiple operating systems and deployment options including Windows, Linux, Docker Containers, and can even run on low footprint devices such as a Raspberry PI 4.
Networking
OAS is an edge solution that offers flexible networking options for standalone installations, multi-tenant data aggregation, and even secure unidirectional data transport.
Programmatic Setup
Utilize our .NET SDK or REST API for flexible and automated setup, ensuring full integration with your asset management software. You can also import and export CSV files, which helps you work with Excel and third-party applications.
Calculations, Time On, Counts, and Totals
Merge data from various controllers and additional data sources while performing real-time computations and logic processing, all without the need for coding. Monitor the duration of activities for specific points and the frequency of their transitions over a defined period. Aggregate analog values both daily and over the entire timeline.
See How We Compare
The initial cost of OAS is far less than our competitors – but the savings don’t stop there. We work with OEMS and System Integrators to provide perpetual licenses with quantity discounts with flexible tag pricing and unlimited client connections.