Moxa Introduces Protocol Gateways to Connect Modbus Devices to PROFINET or PROFIBUS Networks Effortlessly

Moxa

February 13, 2018

Manufacturers Automation Inc announced that Moxa has launched the world’s first rack-mounted Layer 2/Layer 3 managed switches, PT-G7828/G7728, that comply with IEC 61850-3 Edition 2 Class 2 and IEEE 1613 Class 2. The switches’ 28 ports all support full Gigabit hardware time-stamping as defined in IEEE 1588v2. In addition, the switches offer selectable RJ45/SFP/PoE+ interfaces and dual LV/HV power modules to ensure suitability for a variety of applications.

The IEC 61850-3 Edition 2 has been developed over many years based on feedback from deployments in substations. Adherence to this latest standard ensures that devices are rugged enough to be deployed in the harsh environments of substations. In addition, compliance with Class 2 of the Edition 2 standard ensures that if the device is subjected to high levels of EMI, shock, or vibrations, data will still be successfully transmitted.

Utility Timing Synchronization

All ports support hardware time-stamping synchronization that has been defined in the IEEE 1588v2 standard, which ensures that the PT-G7828/G7728 switches deliver time-aligned data transmission. In order to ensure interoperability for the PTP function across products from different vendors, Moxa’s products have been verified by the UCAIug Interoperability Test. Furthermore, to meet the time accuracy requirement in power system applications, the devices support the IEEE C37.238 power profile.

Hot-Swappable Maintenance and a Modular Design

The PT-G7828/G7728 switches were built to simplify complex network integration and scalability. In order to achieve this, they have a unique modular architecture including 4 fixed Gigabit ports, 6 quad-port Gigabit module slots, and 2 power module slots to ensure sufficient flexibility for a variety of applications. The hot swappable function supports easy maintenance by allowing power and media modules to be replaced without having to shut down the system or impacting other communications that pass through the switch.

GOOSE Monitoring to Facilitate Preventive Maintenance

To speed up troubleshooting, the PT-G7828/G7728 can act as an event recorder to perform GOOSE monitoring and inspect all GOOSE messages between IEDs. The switches can also keep the power SCADA or NMS systems informed on the communication status of GOOSE messages. The GOOSE monitoring feature allows possible problems to be identified at an early stage and also allows operators to know exactly where these problems are occurring. These features accelerate problem detection and help to prevent failures and loss of communications in the future.

Features

  • Up to 28-port Full GbE RJ45/SFP/PoE+ modules
  • Up to 28-port IEEE 1588v2 hardware time-stamping
  • Supports IEEE C37.238 power profile
  • PTP sync LEDs for fast PTP network troubleshooting
  • Hot-swappable power and media modules
  • IEC 61850-3 Edition 2 Class 2 and IEEE 1613 Class 2 compliance
  • Build-in MMS server based on IEC 61850-90-4 data modeling
  • GOOSE monitoring for easy troubleshooting

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