Railway Medium Voltage SubstationMiddle East
- Project start: Sept. 2012
- Project completion: May 2013
- iGrid products involved: iGW-B1
- Number of RTUs/MV substations: 11 units
- Voltage level: 20 kV
- Number of data points: Up to 450 I/O points/substation
- Protocols: IEC60870‑5–101/104, Modbus RTU
The end customer of this project is responsible for ground and underground railway transportation. They are expanding their metro lines gradually and use a Siemens SCADA System to monitor and control all stations.
The system was using the IEC 101 protocol to gather the data, but is now using the iGW to convert from IEC 101 to IEC104 in order to expand the SCADA system in an easy way, using high technology switches and SDH equipment via Ethernet. The installed iGrid devices are used to monitor and control low power substations (380 Voltage grid) in one of the metro lines via IEC 104 through the existing control center.
The installed gateway by iGrid (iGW) reads the data from a SIEMENS PLC via IEC 101 protocol, maps it to IEC104, and sends it to the existing SCADA Control Center.
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