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OWP Global Tech One

customerSchneider Electric GmbH, Germany
end customerGlobal Tech | Offshore Wind GmbH, Germany

OWP Global Tech One

Two redundant ipConv gateways connect the PACiS gateways of Schneider Electric to several redundant control systems.
The PACiS information are collected by IEC 60870-5-104, Master and distributed to the wind park management system of Adwen via IEC 60870-5-104, Slave, to the local control system of the offshore wind park Global Tech I via OPC UA 1.02, Server and to the TenneT control system via IEC 60870-5-101, Slave.
In addition to the process data transmitted between the control systems and PACiS, every ipConv gateway generates internal diagnostic messages providing the information about operational and connection states of the ipConv gateways as well as the wind park

Only one of the two ipConv gateways is active at any one time. The redundancy module controls which gateway is active and therefore communicates with the TenneT control system. The gateway's status is monitored and a switchover from active to passive mode is initiated if necessary. Furthermore, any data points can be exchanged between the gateways.
As soon as the communication with the PACiS gateways terminates, the connection to the Adwen WMS will be disconnected in order to ensure the transmission of valid data point states.

Since RS-232 only allows point to point communication, channel switches CS are used in order to switch the transmission line between the gateways automatically.

Background information

Global Tech I is one of the first offshore wind parks which has been built in the German North Sea. 80 wind turbines are able to supply renewable energy for 445,000 households.
(Further information see

Used Products

ipConvipConvUniversal protocol converter for highest degree of flexibility

Used Protocol Stacks

IEC 60870-5-104, MasterIEC 60870-5-104, Slave
IEC 60870-5-101, SlaveIEC 61850, Client
OPC UA 1.02, Server


IPC191I5 19IPC191I5 19" 1UPredecessor model of IPC191I7 19" 1U
This system is discontinued. Deliverable only until the 15th of December 2017!
CSCSChannel switch for coupling of two redundant devices to one communication line
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