Leading US based manufacturer of Gas Fired, Condensing and Electric Water Heaters and Boilers.

Industry Segment

Smart Buildings

Technology & Domain Challenge / Requirements
  • Client had designed a new series of Water Heaters and wished to provide Modbus TCP and RTU interface to network it with other equipment in the system.
  • Product also required Wi-Fi support to enable IoT application development, especially Remote Monitoring and Predictive Maintenance.
Industry IoT Trend
Increased Deployment of smart devices to control building operations

Modbus Interface:

  • Softdel used its it’s ready Modbus stack and ported it to the Freescale based MCU platform
  • Softdel provided native interface for Modbus RTU and Modbus TCP (Slave configuration)

Touch-screen Application:

  • Softdel developed embedded application for the Control Module which included Touchscreen driverOther Key Module0s:
  • Currently, Softdel is working on providing Wi-Fi interface using Ayla Design Kit
  • UL testing for EMI/EMC, environmental and safety


  • The new set of features like Modbus and Wi-Fi Interface as well as Touchscreen Interface helped customer to gain competitive edge in its target market.