ABB COM600 series 5.0 Technical Reference Manual

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ABB COM600 series 5.0 Technical Reference Manual Manual pdf 51 page image

Modbus TCP slave6.About this section6.1.This section provides reference information about the following issues:• IEC 61850 data modeling• Attributes• Status codes.IEC 61850 data modeling6.2.General information about IEC 61850 data modeling6.2.1.The following sections describe the relationship between the IEC 61850 data modelingand general_about_data_modeling_MSLAN. There is a table for each data class givinga detailed description about the relationship between the Modbus data and IEC 61850data object attributes and services. The tables also describe how the data is presented onthe OPC Server name space.The columns in the tables have the following content types:• Name specifies the OPC item name of the attribute/service.• Type specifies the IEC 61850 type of the attribute.• Value/ Value range specifies the allowed values and ranges of the attribute/service.• Mandatory/Optional specifies whether the attribute is considered as mandatory oroptional according to the IEC 61850 standard.• Modbus information element specifies the Modbus information element relatedto the attribute/service.• OPC data types specify the OPC data type used for the OPC item.Single point status (SPS)6.2.2.OPC data typesProtocol informa-tion elementMandat-ory/OptionalValue/Value rangeTypeNameVT_BOOLMTRUE | FALSEBOOLEANstValVT_I4MQualityqVT_DATEMTimeStampt51COM600 series 5.01MRS758692Slave Protocols (Ethernet) and Applications Technical Refer-ence Manual