What is Modbus?
December 1, 2021
Projects can be difficult to manage, especially when you are working on several at the same time or you have...
Liberate your data
The OAS Universal Data Connector gives you unparalleled access to your industrial operations and enterprise data for connectivity, monitoring, analytics, and delivery. Connect directly to PLCs, OPC servers, files, databases, and IoT platforms to create world-class SCADA systems or industrial automation solutions.
Unparalleled connectivity between PLCs, Devices, Databases, and Custom Apps
The OAS Platform offers data transport from any data source to any destination, while enabling data logging, data transformations, alarms and notifications, and cross-platform integration using SDKs for Windows, Linux, and Web applications. OAS is truly an unlimited IoT Gateway for industrial automation.
Direct, native connection to Allen Bradley and Siemens PLCs, OPC DA, OPC UA, Modbus and other devices.
High-speed data logging and import using open format database engines and CSV files
Connect and move data between cloud-based IoT services such as AWS, Azure, and MQTT brokers and clients
Log system events to open database engines, and trigger notifications via email, SMS, and voice
SDKs and tools to visualize real time and historical data, Trends and Alarms, and build HMIs for Windows (Winforms and WPF) as well as Web clients on any device
Unlimited integration with external sources using tools for .NET (Full Framework, Standard, and Core) as well as Web and REST API clients.
Read and write data in real time with high speed PLC and device protocol connectors.
Allen Bradley PLCs supported:
ControlLogix, CompactLogix, GuardLogix, and Micro800
Classic PLCs such as MicroLogix, SLC 500, and PLC-5
Siemens PLCs supported:
S7-200, S7-300, S7-400, S7-1200, and S7-1500
Modbus support:
Modbus TCP, Modbus RTU, and Modbus ASCII for Master and Slave communications
Other supported devices and protocols:
OPTO-22, MTConnect, and OPC UA, OPC DA
Additionally, the OAS Platform can act as an OPC server for any OPC client.
High-speed data logging to open database engines including:MSSQL Server and SQL Azure
Oracle, mySQL,
MongoDB, MariaDB,
PostgreSQL, Cassandra,
SQLite, InfluxDB,
Amazon Aurora and Amazon RDS,
MS Access (Windows only),
CSV Files
Databases can also be used as a source of inbound data using the Recipe Feature from any supported database engine
MS Access (Windows only),
CSV Files
Databases can also be used as a source of inbound data using the Recipe Feature from any supported database engine
Move data to and from popular cloud-based IoT services for adding real time data to your IoT analytics pipeline.
Supported IoT services include:
AWS IoT Gateway
Azure IoT Data Hub
Additionally, using the MQTT Connector you can:
Send data updates to any MQTT broker as an MQTT Client,
or publish updates to any client using the OAS MQTT Broker.
Log historical Alarm data to any supported data destination available for data logging such as open database engines including MSSQL, Oracle, mySQL, MariaDB, MongoDB, PostgreSQL, SQLite, and CSV files.
Receive Alarm Notifications via:
Email, SMS, Voice
based on highly configurable parameters on each data point.
Visualization of live and historical data, as well as live and historical Trends and Alarms in WinForms and WPF applications, and deliver visualization in any web browser and any web platform. OAS provides SDKs and tools for web, mobile, and desktop application development using data from any OAS server. Additionally, the OAS REST API can be used on any platform for programmatic data access and server configuration. Learn more about the benefits of an open platform for visualization.
The OAS Platform also ships with a built-in Web HMI Dashboard for rapid no-code visualization in any web browser on any device.
.NET Data ConnectorA set of .NET Core assemblies, allowing for custom application and integration projects for both reading and writing data, as well as full programmatic configuration of OAS installations.OAS REST API
The REST API can be used with any programming language on any platform for data access and OAS server configuration.Universal Driver Interface (UDI)
An SDK which allows you to build custom integrated drivers for proprietary or non-standard protocols or integration with external services. Integrations using the UDI can then be configured in the OAS Configuration application just like all native built-in drivers.
Infinitely Flexible Secure Networking
Built upon a Distributed Network Architecture that enables advanced Edge Computing, reliability, and performance for IIoT, the OAS Platform can be deployed in infinite configurations to meet your needs. Interconnect OAS servers for load balancing, failover, data aggregation from remote clients, and more.
Basic Networking
Network clients, either over LAN, WAN, or Internet can communicate directly with an OAS Platform server.
Live Data Cloud
Move data between OAS Platform servers, aggregate data, and secure source data over dynamic IP addresses
Thousands of customers worldwide trust OAS, including
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