TOP ServerIndustrial Connectivity Made Simple.
Connect PLCs, controllers, RTUs, and industrial equipment to SCADA, HMI, historians, and enterprise applications with TOP Server. Access industrial data through OPC UA, OPC DA, AVEVA SuiteLink, and an extensive library of device drivers.
How TOP Server Works
Connect industrial equipment, configure communication, and make device data available to the applications that need it.
Select Your Driver
Choose the appropriate driver for the equipment and protocol. Different drivers cover different manufacturers and protocols.
Configure Your Devices
Configure channel, device settings, addressing, and supported data items. Available options depend on the driver.
Access Industrial Data
Retrieve and, where supported, write device data. Polling and update behavior vary by driver and equipment.
Connect Your Applications
Expose data through OPC UA, OPC DA, AVEVA SuiteLink, or another supported industrial interface.
Find the Right TOP Server Driver for Your Industry
Explore popular TOP Server drivers used across different industries. Select your industry to see common connectivity options, or browse our complete driver catalog to find the right solution for your equipment.
Popular TOP Server Drivers
Explore some of our most commonly used industrial connectivity options.
Popular Drivers for Data Centers
Common connectivity options for data center infrastructure, monitoring, and automation.
Popular Drivers for Oil & Gas
Common connectivity options for flow computers, RTUs, controllers, and field equipment.
Popular Drivers for Food & Beverage
Common connectivity options for production equipment, controllers, and manufacturing systems.
Popular Drivers for Water & Wastewater
Common connectivity options for pumps, controllers, RTUs, and treatment infrastructure.
Popular Drivers for Automotive
Common connectivity options for manufacturing equipment, controllers, robots, and assembly systems.
Search Results Across All Drivers
No Matching Drivers Found
Try another manufacturer, device model, or protocol, or browse our complete driver directory.
Browse All Drivers- Common equipment
- Communication methods
- Relevant suite
Don't See the Driver You Need?
These are just a few popular drivers used in your industry. TOP Server supports many more manufacturers, devices, and protocols. Explore our complete driver catalog to find the right connectivity option.
Looking for More Connectivity Options?
Search results are drawn from our available TOP Server driver database. Explore the complete driver catalog to review additional products and connectivity options.
Connect Your Industrial Devices to SCADA, HMI, and More
Make industrial data available to compatible applications through TOP Server's supported OPC and native communication interfaces.
OPC UA
Standards-based data exchange with interoperability and security features.
OPC UA
Standards-based data exchange with interoperability and security features.
TOP Server can expose configured device data to compatible OPC UA clients. Security policies, certificates, and endpoint settings should be selected for the deployment.
View technical resourceOPC DA
OPC Classic Data Access compatibility for established applications.
OPC DA
OPC Classic Data Access compatibility for established applications.
OPC DA supports compatible Windows-based OPC Classic clients. DCOM configuration and network architecture remain important for remote connections.
View technical resourceAVEVA SuiteLink
Native connectivity with compatible AVEVA applications.
AVEVA SuiteLink
Native connectivity with compatible AVEVA applications.
SuiteLink provides a native interface for supported AVEVA software. Confirm application version and licensing requirements for your environment.
View technical resourceOPC Alarms & Events
Supported alarm and event interfaces for compatible applications.
OPC Alarms & Events
Supported alarm and event interfaces for compatible applications.
Alarm and event functionality depends on the selected driver, plug-in, and client requirements. Review the relevant product documentation before specifying a solution.
View technical resourceHistorical Data Access
OPC HDA where supported by the appropriate product or add-on.
Historical Data Access
OPC HDA where supported by the appropriate product or add-on.
Historical access can be used with documented TOP Server history options. It should not be assumed to be included with every driver or suite.
View technical resourceLegacy & Specialized Interfaces
Documented DDE, FastDDE, iFIX, and specialized interfaces.
Legacy & Specialized Interfaces
Documented DDE, FastDDE, iFIX, and specialized interfaces.
Legacy and specialized interfaces remain available for compatible systems. Availability and configuration requirements vary by interface and software version.
View technical resourcePowerful Tools for Reliable Industrial Connectivity
Configure, secure, validate, and maintain industrial communication with tools designed for device connectivity.
Security & User Management
Protect industrial communications with configurable user permissions, OPC UA security, certificate management, and supported authentication options.
Security & User Management
Protect industrial communications with configurable user permissions, OPC UA security, certificate management, and supported authentication options.
The integrated User Manager supports users, groups, and permissions for controlling access to server functions. OPC UA certificate handling and supported security policies protect compatible client connections. Newer V7 functionality adds supported Active Directory integration; authentication and security options remain version-specific.
View technical resourceRedundancy & Reliability
Improve availability with supported communication-path, device, and server redundancy architectures.
Redundancy & Reliability
Improve availability with supported communication-path, device, and server redundancy architectures.
Network communication redundancy can provide an alternate path to equipment, device redundancy can switch between primary and standby devices, and server redundancy can address a TOP Server host failure. These approaches solve different failure scenarios and may require additional licensing, products, or architecture.
View technical resourceConfiguration & Scalability
Configure and maintain industrial communications efficiently with tag generation, bulk configuration tools, aliases, and supported APIs.
Configuration & Scalability
Configure and maintain industrial communications efficiently with tag generation, bulk configuration tools, aliases, and supported APIs.
Automatic tag generation where supported, CSV import/export, and alias mapping reduce repetitive configuration work. The documented Configuration API and runtime configuration options support managed changes, while driver-specific settings preserve control over each communication path.
View technical resourceTesting & Diagnostics
Troubleshoot communication issues faster with built-in diagnostics, event logging, and the OPC Quick Client.
Testing & Diagnostics
Troubleshoot communication issues faster with built-in diagnostics, event logging, and the OPC Quick Client.
Use OPC Quick Client to verify tag values and data quality independently of the final SCADA or HMI. Communications Diagnostics and OPC Diagnostics help confirm device and client activity, while the Event Log and Application Report Utility help identify errors and collect diagnostic information.
View technical resourceFlexible Communication & Polling
Optimize device communication with configurable scan rates, polling behavior, timeouts, and driver-specific settings.
Flexible Communication & Polling
Optimize device communication with configurable scan rates, polling behavior, timeouts, and driver-specific settings.
Configure polling, timing, channels, and timeouts to balance application update requirements with network conditions and device capabilities. Available optimization settings and their practical limits vary by driver and equipment.
View technical resourceAdvanced Data Features
Extend TOP Server with optional tag calculations, data linking, database logging, and historical data capabilities.
Advanced Data Features
Extend TOP Server with optional tag calculations, data linking, database logging, and historical data capabilities.
Advanced Tags supports documented calculations, Link Tags can link data within supported configurations, ODBC DataLogger writes selected data to compatible databases, and Local Historian supports local history use cases. OPC client drivers connect to supported OPC sources. These capabilities may be optional or separately licensed.
View technical resourceExplore More Technical Capabilities
Running an Older Version of TOP Server?
Newer TOP Server versions include security improvements, updated platform compatibility, and additional functionality. Review your current version and upgrade requirements to determine the appropriate path forward.
Choose Connectivity Around Your Equipment and Industry
TOP Server is available through individual drivers and industry-focused suites. Confirm included drivers, optional features, license type, term, and support or maintenance coverage before purchasing.
Manufacturing Suite
Broad industrial connectivity for manufacturers using PLCs and equipment from multiple vendors.
- Allen-Bradley, Siemens, and other common controller families
- Modbus and common industrial protocols
- OPC UA, OPC DA, and SuiteLink interfaces
Annual subscription; upgrades and support are included while active.
Advanced Manufacturing Suite
Complete TOP Server driver coverage for manufacturing environments, with additional data features.
- Includes all TOP Server drivers
- DNP3, BACnet, IEC, SNMP, and Triconex connectivity
- Link Tags and ODBC DataLogger functionality
Annual subscription; upgrades and support are included while active.
Oil & Gas Suite
Real-time connectivity for documented oil and gas controllers, RTUs, meters, and field equipment.
- Fisher ROC and ROC+ connectivity
- ABB Totalflow, Enron Modbus, Lufkin, and Weatherford
- Supported flow computer and RTU drivers
Power & Utility Suite
Connectivity for supported utility protocols, RTUs, outstations, and intelligent electronic devices.
- DNP3 client connectivity
- IEC 60870-5 and IEC 61850 options
- Modbus TCP, RTU, and ASCII
IT & Infrastructure Suite
Connectivity for supported network, infrastructure, monitoring, and Modbus equipment.
- SNMP and Ping monitoring
- System Monitor for local server metrics
- Modbus, CID, and UCON drivers
Building Automation Suite
Connectivity for compatible building systems, facility equipment, and HVAC applications.
- BACnet/IP connectivity
- Modbus TCP, RTU, and ASCII
- System Monitor, CID, and UCON drivers
Recurring renewal is required for continued licensed operation under the applicable subscription terms.
A one-time license to use the covered version; support, maintenance, upgrades, and other entitlements are governed by the agreement.
Need a Specific Driver Instead of a Full Suite?
TOP Server is available through individual drivers and industry-focused suites. Find the connectivity option that matches your equipment and licensing requirements.
Why Engineers Choose TOP Server
A practical industrial connectivity layer built around documented drivers, standard interfaces, and configuration tools.
Broad Industrial Connectivity
Choose documented drivers for many common controller, RTU, protocol, and equipment families.
Learn moreOPC Interoperability
Use OPC UA and OPC DA with compatible industrial client applications.
Learn moreNative AVEVA Connectivity
Connect compatible AVEVA applications through the documented SuiteLink interface.
Learn moreConfiguration & Diagnostics
Configure communication and validate data with built-in testing and diagnostic tools.
Learn moreSecurity & Reliability
Apply version-appropriate access, certificate, and resilience options to the architecture.
Learn moreFlexible Licensing
Select individual drivers or suites and confirm the current subscription or perpetual option.
Learn moreTrusted for Real Industrial Connectivity Challenges
I can't say enough good things about your company. It's nice to do business with people who are dedicated to their products and their customers.
TOP Server is a key part of all of our systems because it works the way you expect it to and the Software Toolbox team's support and add-in products help us maximize our client's results.
Technical Resources & Documentation
Evaluate TOP Server, browse authoritative driver details, and use focused technical guidance for your configuration.
Download TOP Server
Evaluate connectivity with your equipment.
Download Free TrialExplore Device Drivers
Find drivers by manufacturer and protocol.
Browse DriversTechnical Documentation
Open configuration and troubleshooting resources.
Browse DocumentationContact a Technical Specialist
Discuss equipment, interfaces, and licensing.
Ask a Technical SpecialistTechnical Documentation Library
Getting Started
OPC Connectivity
Device Drivers
Configuration
Testing & Diagnostics
Security & Reliability
TOP Server Frequently Asked Questions
Concise answers about industrial device connectivity, OPC interfaces, diagnostics, evaluation, and licensing.
What is TOP Server?
TOP Server is industrial communication software that connects supported PLCs, controllers, RTUs, and other equipment to compatible industrial applications through device drivers and interfaces such as OPC UA, OPC DA, and AVEVA SuiteLink.
What is TOP Server used for?
It is used to acquire industrial device data and make configured items available to SCADA, HMI, historian, MES, and other compatible software. Write access is available where supported by the selected driver, device, and configuration.
How does TOP Server communicate with industrial equipment?
TOP Server uses a selected device driver and its supported communication method. Channel, device, addressing, timing, and data-item settings depend on the manufacturer, protocol, and equipment.
How is TOP Server different from an OPC client?
TOP Server usually acts as the industrial OPC server: it communicates with devices and exposes data. An OPC client connects to that server to browse, read, subscribe to, or where permitted write data.
Does TOP Server support OPC UA and OPC DA?
TOP Server supports OPC UA and OPC DA interfaces for compatible client applications. OPC UA security and OPC Classic DCOM requirements should be configured for the deployment.
Can TOP Server connect Allen-Bradley and Siemens PLCs?
TOP Server provides documented driver families for supported Allen-Bradley and Siemens equipment. Confirm the exact controller, firmware, network, and required driver on the authoritative driver page.
Can TOP Server connect Modbus devices?
Yes, documented options include Modbus TCP, RTU, ASCII, and related implementations. Select the driver that matches the device role and transport.
Can TOP Server connect to AVEVA applications?
TOP Server provides native AVEVA SuiteLink connectivity for compatible AVEVA applications, as well as OPC interfaces. Confirm version and interface requirements for the target application.
Can one TOP Server project connect equipment from multiple manufacturers?
Yes. A project can use multiple licensed driver families so mixed-vendor equipment can be configured in one server environment.
How is OPC UA secured?
Compatible OPC UA clients and TOP Server can use security policies, certificates, trusted application management, and configured users and permissions. The exact options depend on TOP Server version and deployment.
Can TOP Server generate tags automatically?
Some drivers support automatic tag generation or import from a device or project. Support and behavior are driver-specific.
What redundancy options are available?
Documented options address communication-path, device-level, and server-level redundancy. They solve different availability needs and may have separate architecture or licensing requirements.
What tools help troubleshoot communication?
Useful tools include OPC Quick Client, Communications Diagnostics, OPC Diagnostics, the Event Log, and Application Report Utility. Available diagnostics can vary by driver and version.
Can TOP Server log data to a database?
ODBC DataLogger and other history options are available for documented use cases and may be optional or separately licensed.
Can I buy an individual driver?
Many drivers can be purchased individually, while some are suite-only. The driver catalog and product page identify the applicable purchasing options.
What is the difference between subscription and perpetual licensing?
A subscription license requires recurring renewal for continued licensed operation. A perpetual license is a one-time license to use the covered version, while support, maintenance, upgrades, and other entitlements are governed by the applicable agreement. Available models vary by product.
Can I evaluate TOP Server before purchasing?
A TOP Server trial is available so you can test relevant drivers and interfaces with your equipment and application before choosing a license.
How should I upgrade an older TOP Server version?
Review your installed version, operating-system and application compatibility, project backup, licensing, and upgrade guidance before making changes. Software Toolbox provides version-specific upgrade guidance.
Ready to Connect Your Industrial Systems?
Find the right TOP Server driver, evaluate connectivity with your equipment, or work with our team to identify the best configuration for your application.