Automation - Products


Remote Terminal Units (RTU) – JEDDTECH can supply and install RTU and make it communicate with an existing master station or control center using IEC-61850, DNP 3.0, Modbus RTU or other proprietary protocol. JEDDTECH can also upgrade and expand your existing RTU to meet your new requirements. JEDDTECH can supply you with the most sophisticated, multi-function and expensive RTU used in large high voltage substations or the most simple, low point count, and budget RTU for your simple applications.


SMS RTU – JEDDTECH has designed and developed a Short Message Service (SMS) Remote Terminal Unit using components imported from abroad . Designated as the J200 SMS RTU, it is programmed to suit the control requirement of the clients by utilizing the SMS services of cellular phone companies as the communication medium. J200 is ideal for unmanned, remotely situated circuit breakers or motorized disconnect, capacitor banks, relay stations or small substations. The J200 SMS RTU performance is field proven. It has been operating since the year 2007 without nay breakdown or maintenance. Many are installed in substations of Transco (now NGCP) in the Visayas Grid.


Human Machine Interface (HMI)

Programmable Logic Controller (PLC)

Programmable Automation Controller (PAC)



Annunciator with serial interface to SCADA System



Annunciator as part of a transformer control panel




GPS Clock/ Network Time Server

Digital Displays