About Us

Atop, founded over 25 years ago in Taiwan, designs, customizes, and manufactures industrial networking equipment and pick-to-light systems. Atop specializes in Industrial Automation products such as Industrial Ethernet Switches, Specialized switches for Power/Railway industries, Fieldbus (Modbus) Gateways, Wireless Servers and Gateways, Media Convertors, and Serial Device Servers.

As an ISO-9001-certified manufacturer, Atop is well-received by industrial leading companies. Their DIN Rail and railway products have passed a worldwide array of safety and operational regulations, such as EMC for heavy industrial use and railway applications, IEC 618503 for substation application, UL certification, and IP30 and IP67 ratings – along with many more field related certificates of various countries and markets.

Atop has a wide range of Unified Protocol Gateways that provide protocol conversion between all protocols thus ensuring smooth communication between legacy devices and newer generation devices. The Protocol Gateways are highly reliable and fault tolerant. They allow seamless conversion between Ethernet and serial devices communicating on different protocols that are popular in power plant sub-stations. Standards include Modbus, Profibus, IEC 61850, IEC 60870 – 5 – 104, IEC 60870 – 5 – 101, IEC 60870 – 5 – 103 and DNP3.

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