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

Modbus Plus Key Features Include

  • Maximum Number of Channels & Devices: 
    • SA85 / PCI-85 Cards or USB Adapter TSXUSBMBP Revision 2 - (Max of 4 Cards per PC)
      • Channels - 8 per Card (32 Possible)
      • Devices - 8192
    • Hilscher CIF Max of 4 Cards per PC)
      • Channels - 1 per Card (4 Possible)
      • Devices - 8192
    • Note: Hilscher and SA85/PCI-85 cards cannot co-exist in the same computer. 
  • Supports multiple access paths per SA85 or PCI-85 Interface Card or USB Adapter TSXUSBMBP Revision 2
  • Automatic Tag Database Generation (from Concept or ProWORX)
  • Supports Word Order and Byte Order Swapping
  • Supports accessing Holding Register memory as string data with HiLo/LoHi byte ordering
  • All data types and arrays are supported

Standard Modbus Plus Features Include

  • Modbus Function Codes Supported: (Blog post - demystifying Modbus Function Codes)
    • Decimal - 01, 02, 03 ,04, 05, 06, 16
    • Hexadecimal - 01, 02, 03 ,04, 05, 06, 10
  • Full Address Range Support: 0xxxx - Output Coils, 1xxxx - Input Coils, 3xxxx - Internal Registers, 4xxxx - Holding Registers
  • Decimal or Hex Addressing Support
  • Supports all memory types and data types such as Float, Long Word, and BCD
  • String Data Type support for Internal Registers
  • String Block Read Support
  • Base Modbus device model supports 32-Bit Data Types as Two Registers
  • Automatic Tag Database Generation using CSV Import
  • Tag configuration supports dynamic tags from your client application


Modbus Plus Driver Advanced Features Include

  • Adjustable Address Base ( 0 or 1 ) - (SA85 Cards Only)
  • Selectable Function Code for Single Address Writes
  • Word Order Swapping for Float and Long Data Types
  • Byte Order Swapping on all 16 bit and 32 bit values
  • User Definable Read Block Sizes
  • Holding register memory access as string data (HiLo or LoHi byte order)
  • Ethernet Encapsulation Support
  • Unsolicited Mode (SA85 Cards Only)
  • Auto Device Demotion Support to optimize communication with responsive devices
  • Automatic Tag Database Generation (from Concept or ProWORX)
  • Multiple channels per SA85 Interface Card maximizes communications throughput

Modbus Plus Supported Devices

  • USB Modbus Plus Adapter TSXUSBMBP Revision 2 (if you have TSXUSBMBP Revision 1, it appears as a COM: port and is supported by the Modbus RTU driver in the TOP Server Modbus Suite
  • AT-984 Programmable Controller Board
  • Modbus Plus Interface Cards Supported:
    • SA85-PCI/PCI-85 
    • SA85 (-002 and -001) PC Interface Cards
    • Modbus Plus ISA PC Adapter Card
      • Schneider part#: AM-SA85-030
    • Modbus Plus PCI PC Adapter Card
      • Schneider part#: 416 NHM 300 30
    • Modbus Plus Type II PCMCIA Card
      • Schneider part#: 416 NHM 212 30
    • Modbus Plus Type III PCMCIA Card
      • Schneider part#: 416 NHM 212 33
    • Modbus Plus Type III PnP PCMCIA Card
      • Schneider part#:  416 NHM 212 34
    • Hilscher CIF Card (Requires Hilscher Sycon software)

For full details on models and networks supported visit the Modbus Suite Supported Devices page and consult the driver help file.  Contact us for any device support questions

Modbus Plus Supported Protocols / Networks

  • Modbus Plus Protocol

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.

Modbus Specific Blog Posts

TOP Server Specific Blog Posts

Overall Software Toolbox Blog Posts

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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.

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