Fast and convenient communication

Oct 13, 2025 by wbrum.org 127 views

SMRX: A Powerful Modbus/RTU Communication Tool for Windows

Overview of SMRX

SMRX is an innovative ActiveX control designed to facilitate seamless communication with Modbus/RTU slave devices connected to your PC's serial port. This user-friendly tool enables you to establish a connection with your Modbus device within minutes, without requiring any extensive coding knowledge. With SMRX, you can effortlessly integrate Modbus/RTU protocol into your Excel, Access, Visual C, Visual Basic, or other compatible applications.

Key Features of SMRX

SMRX offers a range of features that make it an ideal choice for developers and users alike. Some of its key features include:

Easy-to-use ActiveX control: SMRX provides a simple and intuitive interface for communicating with Modbus/RTU slave devices.
Fast and convenient communication: With SMRX, you can establish a connection with your Modbus device within minutes, without requiring any extensive coding knowledge.
Extensive online HTML help files: SMRX includes detailed examples for Excel, Visual Basic, and Visual C, making it easier for users to get started quickly.
Powerful set of properties and methods: SMRX provides a comprehensive set of properties and methods for configuring and communicating with slave devices at run-time.
Automatic command building and response validation: SMRX automatically builds the command, appends a CRC, sends the command out the serial port, and receives and validates the response, making it easier for your program to read and write simple 16-bit data values.

How SMRX Works

SMRX is designed to be easy to use, even for users with limited programming experience. Here's a step-by-step overview of how SMRX works:

Container application embedding: Any container application that can embed ActiveX controls can use SMRX.
Design-time access: At design time, you can access your Modbus device from SMRX's test property page, making start-up and troubleshooting a snap.
Run-time configuration: At run-time, you can configure SMRX using its powerful set of properties and methods.
Talking to slave devices: Talking to a Modbus/RTU slave is as simple as calling a function with the necessary arguments.
Automatic command building and response validation: SMRX automatically builds the command, appends a CRC, sends the command out the serial port, and receives and validates the response.

Example Use Cases

SMRX is a versatile tool that can be used in a variety of scenarios. Here are a few example use cases:

Industrial automation: SMRX can be used to communicate with Modbus/RTU slave devices in industrial automation systems, such as PLCs and sensors.
Building automation: SMRX can be used to communicate with Modbus/RTU slave devices in building automation systems, such as HVAC and lighting control systems.
Data acquisition: SMRX can be used to communicate with Modbus/RTU slave devices in data acquisition systems, such as weather stations and environmental monitoring systems.

Benefits of Using SMRX

SMRX offers a range of benefits that make it an ideal choice for developers and users alike. Some of the benefits of using SMRX include:

Easy-to-use interface: SMRX provides a simple and intuitive interface for communicating with Modbus/RTU slave devices.
Fast and convenient communication: With SMRX, you can establish a connection with your Modbus device within minutes, without requiring any extensive coding knowledge.
Extensive online HTML help files: SMRX includes detailed examples for Excel, Visual Basic, and Visual C, making it easier for users to get started quickly.
Powerful set of properties and methods: SMRX provides a comprehensive set of properties and methods for configuring and communicating with slave devices at run-time.

Conclusion

SMRX is a powerful Modbus/RTU communication tool that offers a range of features and benefits. With its easy-to-use interface, fast and convenient communication, and extensive online HTML help files, SMRX is an ideal choice for developers and users alike. Whether you're working on an industrial automation project, a building automation project, or a data acquisition project, SMRX is a versatile tool that can help you get the job done quickly and efficiently.
SMRX: Frequently Asked Questions

Q: What is SMRX and what does it do?

A: SMRX is an ActiveX control that provides a fast and convenient way to communicate with Modbus/RTU slave devices connected to your PC's serial port. It allows you to establish a connection with your Modbus device within minutes, without requiring any extensive coding knowledge.

Q: What are the system requirements for SMRX?

A: SMRX requires a Windows-based system with a serial port and a compatible container application that can embed ActiveX controls.

Q: What are the benefits of using SMRX?

A: SMRX offers a range of benefits, including an easy-to-use interface, fast and convenient communication, and extensive online HTML help files. It also provides a powerful set of properties and methods for configuring and communicating with slave devices at run-time.

Q: How do I get started with SMRX?

A: To get started with SMRX, you can follow these steps:

Download and install SMRX from the official website.
Embed SMRX into your container application.
Configure SMRX using its powerful set of properties and methods.
Establish a connection with your Modbus device using SMRX.

Q: What are the different types of Modbus/RTU slave devices that SMRX can communicate with?

A: SMRX can communicate with a wide range of Modbus/RTU slave devices, including PLCs, sensors, and other industrial automation devices.

Q: Can SMRX be used in industrial automation projects?

A: Yes, SMRX can be used in industrial automation projects to communicate with Modbus/RTU slave devices such as PLCs, sensors, and other industrial automation devices.

Q: Can SMRX be used in building automation projects?

A: Yes, SMRX can be used in building automation projects to communicate with Modbus/RTU slave devices such as HVAC and lighting control systems.

Q: Can SMRX be used in data acquisition projects?

A: Yes, SMRX can be used in data acquisition projects to communicate with Modbus/RTU slave devices such as weather stations and environmental monitoring systems.

Q: What kind of support does SMRX offer?

A: SMRX offers extensive online HTML help files, as well as technical support from the development team.

Q: Can I customize SMRX to meet my specific needs?

A: Yes, SMRX provides a powerful set of properties and methods that can be customized to meet your specific needs.

Q: Is SMRX compatible with other programming languages?

A: Yes, SMRX is compatible with a wide range of programming languages, including Visual Basic, Visual C, and Excel.

Q: Can I use SMRX in a commercial project?

A: Yes, SMRX can be used in commercial projects, but you must obtain a commercial license from the development team.

Q: What are the licensing options for SMRX?

A: SMRX offers a range of licensing options, including a free trial version, a commercial license, and a custom license.

Q: How do I purchase a commercial license for SMRX?

A: To purchase a commercial license for SMRX, you can contact the development team through their official website or by email.

Q: What is the cost of a commercial license for SMRX?

A: The cost of a commercial license for SMRX varies depending on the specific license and the number of users. You can contact the development team for a quote.

Q: Can I get a refund if I'm not satisfied with SMRX?

A: Yes, SMRX offers a 30-day money-back guarantee. If you're not satisfied with SMRX, you can contact the development team for a refund.