IEC 61850 gateway to streamline power substation networks

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By Nick Flaherty

Moxa has launched an IEC 61850 gateway to simplify system integration and communication security for power substations.

The MGate 5119 Series substation gateway provides DNP3/IEC 101/IEC 104/Modbus-to-IEC 61850 protocol conversions as well as functions to simplify configuration and troubleshooting. Security features based on the IEC 62443 and NERC CIP standards and a protocol encryption function help to enhance communication security.

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When retrofitting substation automation systems, connecting legacy power devices such as a protective relay or remote terminal unit to the network raises security concerns. The MGate 5119 Series IEC 61850 gateway’s design is based on IEC 62443 and NERC CIP standards, providing security embedded functions to ensure that devices are connected securely. The gateway also provides a data encryption function for protocol communication, enhancing cybersecurity for critical communications between power SCADA systems and substation gateways.

For more modern substations, streamlining a variety of legacy power devices with minimal cost and efforts is crucial. The MGate 5119 Series IEC 61850 gateway not only converts Modbus, DNP3, and IEC 60870-5-101/104 protocols to IEC 61850 MMS but also supports time synchronization functions to provide data with a consistent time stamp.

The gateway also has a function to generate a substation configuration language (SCL) file, saving time on initial deployment. To reduce efforts for daily maintenance, the MGate 5119 Series supports comprehensive troubleshooting tools that can diagnose protocol status and capture traffic to find the root cause if a communication error occurs.

Enabling communication for power substations requires reliable gateways to endure harsh operating conditions so the gateway has 2 kV serial port isolation, compliance with IEC 61850-3/IEEE 1613, and a -40 to 75°C wide operating temperature range to ensure reliable communications and operations as well as a five year warranty.

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