• Key Features
  • Standard Features
  • Advanced Features
  • Device Support
  • Protocols / Networks
  • Videos & App Notes
  • Help Files & Release Notes
  • Technical Blog
  • Additional Resources

DNP3 Client Serial Key Features Include

  • Maximum Number of Channels & Devices: 
    • Channels - 1024
    • Devices per Channel - 1024
    • COM Port Range - 1 to 999
    • NOTE: Practical channel/device limits will vary depending on your available system resources and communications architecture
  • DNP 3.0 in Level 3 implementation
  • Extensive object support - see TOP Server DNP Client Serial Driver help file for full details
  • Communication with multiple DNP outstation devices
  • Support for secure authentication (SAv2)
  • Event buffering and playback support
  • Supports Ethernet Encapsulation for using Ethernet-to-Serial converter
  • Automatic Tag Database generation for plug and play ease of use


Standard DNP3 Client Serial Features Include

DNP3 Client Serial Advanced Features Include

  • Support for secure authentication (SAv2)
  • Unsolicited messaging
  • Analog deadband configuration
  • Automatic Tag Generation support for Channel and Device Configuration, Authentication Statistics, Data Set, Device Attribute, and File Control
  • WITS data sets support
  • Secure DNP3 Support (Configurable User Authentication, Aggressive Mode support, User Key Management, Auto-generated internal Authentication Statistics tags)
  • DNP Specific Internal Tags
  • Timestamping from the device
  • File transfer functions
  • Playback Data Set snapshot data
  • Setting to ignore forced flags when setting quality
  • Support for disabling time synchronization
  • Channel Serialization (Virtual Channels allow multi-protocol support on the same communication channel)
  • Supports Ethernet Encapsulation via Ethernet/Serial converters, Ethernet Device or Terminal servers

DNP3 Client Serial Supported Devices (Don't See Your Device Listed?  Contact Us)

  • Devices supporting the DNP3 Serial protocol (acting as servers)

Supported Protocols / Networks

  • Protocols
    • DNP3 (Distributed Network Protocol)
  • Networks
    • Serial RS-232
    • Serial RS-422
    • Serial RS-485
    • Ethernet Encapsulated Serial - for using Ethernet/Serial convertors, Device Servers, or Terminal server hardware from a variety of suppliers.

Videos / Guides / App Notes to Help You Get Started

To insure you get the most from your investment in  TOP Server®, we provide a variety of application notes/guides and how-to videos, since we know that sometimes it helps to see someone showing you how to do things.

Driver Help Files / Release Notes

Use the below links to access TOP Server release history and driver help documentation.

Access use cases, how-tos and more

Real-world use cases, step-by-step how-to's and video tutorials - our blog contains useful resources and information to help you get connected.

Understanding DNP3 Polling Behavior Blog Post

TOP Server Specific Blog Posts

Overall Software Toolbox Blog Posts

Subscribe to Blog

Additional Useful Resources

Access additional TOP Server related information below not covered in other sections:

Get Started Now

The demo is the full product once licensed. Once a client application connects to the  TOP Server, the TOP Server runtime will operate for 2 hours at a time. At the end of the 2 hour demo period, the demo timer must be reset by restarting the TOP Server runtime service.

Connect with Us

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+1-704-849-2773 (Global)