This page turns the SCADA and substation gateway into a concrete design checklist, showing where it sits between IEDs and control centres, how to choose architectures, protocols, security and IC families, and how real projects upgrade legacy RTUs and feeder networks without. This page turns the SCADA and substation gateway into a concrete design checklist, showing where it sits between IEDs and control centres, how to choose architectures, protocols, security and IC families, and how real projects upgrade legacy RTUs and feeder networks without. We understand that within Schneider Electric's ecostruxure architecture, there are three tiers: the first tier consists of interconnected devices, the second tier is edge control, and the third tier is analytics and services. Enable modern substation control. The design and implementation of intelligent gateway is a complex and meticulous process, involving hardware design, software design, data processing algorithms, security and privacy protection, and system integration and testing. The following is a detailed introduction to the design and. Schneider Electric, a leading provider of digital transformation for energy management and automation, presents a new generation of its Smart Panels with integrated, encrypted ZigBee-based communication.