Modbus Stack

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  • Modbus Stack

    Overview

    Modbus RTU (Remote Terminal Unit) and TCP is an open, serial protocol derived from the Master/Slave architecture. It is a widely accepted protocol due to its ease of use and reliability. Modbus is widely used within Building Management Systems (BMS) and Industrial Automation Systems (IAS).

    Solution

    Softdel offers a ready-to-use Modbus master and slave stack royalty-free. The stack enables faster firmware development of Modbus-enabled field devices. The stack is useful for OEMs who wish to add Modbus support to their field devices.

    We also offer services such as porting of Modbus stack to device platforms, integration with device applications and complete product testing.

    Specifications

    • Stack is developed in ‘C’ language and can be ported to any microcontroller platform

    • Ideal for non-RTOS and can be ported to any RTOS platforms

    • Supports all the major Modbus functions, diagnostic functions, and exception functions

    • Tested with various Modbus testing tools such as Wingpath, Modbus Poll, and Modbus Slave

    • Tested with all the major baud rate (9600, 19200, 38400, 57600 & 115200) and with all parity settings

    • Implementation as per Modbus specification documents

    • Modbus_Application_Protocol_V1_1b3, Modbus_over_serial_line_V1_02

    Memory footprint –

    • Master stack – RAM (3.64 KB), ROM (6.052 KB)

    • Slave stack – RAM (3.5 KB), ROM (11.85 KB)

    Benefits

    Royalty-free

    Readily deployable Modbus RTU Master and Slave Stack on royalty-free basis

    Compatibility

    Developed in C language and can be ported to any Microcontroller platform

    Quick Firmware Development

    Enables faster firmware development of Modbus-enabled field devices

    Support

    Supports all the major Modbus functions, Diagnostic functions & Exception functions

    CASE STUDY // Modbus Stack

    Modbus Interface for a BTU Meter (Energy Meter)

    Client : Leading manufacturer of the ultrasonic, vortex, differential pressure & turbine flow meters and BTU meters

    Modbus Interface for a Water Heater Controller

    Client : Leading US based manufacturer of Water Heaters and Boilers

    Talk to our Modbus protocol expert

    Our Modbus protocol expert is happy to address your requirements and challenges.

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