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Modbus RTU/ASCII ActiveX Control

   Standard  Subscription
 Tech Support  30 days  12 months
 Updates  30 days  12 months
 Price (USD)  $399  $549
 Catalog Item  ASMBSERIAL  ASMBSERIAL-S
 Current Version View Revision History
 Availability Immediate Delivery via Internet Download
Download Trial Order Form or Call to order
Product Summary

Our Modbus Master ActiveX Control provides high-performance connectivity to Modbus slave compatible devices and applications. This product supports Modbus RTU, ASCII and Enron Modbus compatible devices via your PC's serial port. 

Use Visual Basic, Visual C++, MS Office, Visual Studio.NET, and many other ActiveX Control Container applications to create HMI/SCADA applications using our runtime-free ActiveX Controls.

Powerful pre-built example applications and example VB source code included in development package.

Key Benefits
  • Synchronous operation added to simplify coding
  • Supports Enron Modbus
  • Does not require Modicon or 3rd party drivers.
  • .NET Compatible
  • Supports the following Modbus functions:
    • 1 - Read Coil Status
    • 2 - Read Input Status
    • 3 - Read Holding Registers
    • 4 - Read Input Registers
    • 5 - Force Single Coil
    • 6 - Preset Single Register
    • 7 - Read Exception Status
    • 8 - Diagnostic test
    • 15 - Force Multiple Coils
    • 16 - Preset Multiple Registers
    • 17 - Report Slave ID
    • 20 - Read General Reference
    • 21 - Write General Reference
    • 22 - Mask Write 4x Registers
    • 23 - Read/Write 4x Registers
    • 100 - Scattered Read
  • Communications configuration via properties. No external configuration application.
  • Supports Modem operation.
  • Supports maximum number of comm ports under windows
  • Multiple executables can share the same comm port.
  • Unsurpassed ease of use.
  • Addressing modes supported: 
    • Generic 0-based
    • Generic 1-based
    • Modicon 984 PLC (1, 10001, 30001, 40001).
  • Data types supported: Integer, Discrete, Long, Float, BCD.
  • Supports 125 word reads, 100 word writes in a single transaction.
  • Easy to install, easy to support.
  • ActiveX control is multi-threaded for high data throughput
  • Powerful example applications and example VB source code included.
  • Very cost-effective.
  • No shipping charges for online delivery.
  • As always, no runtime fees or keys*.
Hardware Compatibility
  • Modbus devices that implement the Modbus functions listed above
  • Enron Modbus compatible devices

Software Compatibility

  • All Microsoft ActiveX Control containers (VB, VC++, VB.NET, C#.NET, MS Office, etc.).
  • VS.NET Windows Forms Applications; all other .NET targets not supported.

Supported Operating Systems

  • Windows 7
  • Windows Vista
  • Windows Server 2003
  • Windows XP
  • Windows 2000
Related Affiliations
The Modbus Organization

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*some restrictions apply, see licensing agreement for details.

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