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Service and Diagnostics using FMA Functions 12.6.2 B8976060/02 FDL_IDENT Confirmation The values for the header and station Ident parameters are stored in the FDL_IDENT confirmation as follows: com_class 0. byte: format KH, service request to layer 2 here: FDL confirmation =01H user_id 1st byte: ID assigned with FDL request (optional) service_code 2nd byte: format KH, type of service provided: FDL_IDENT=1CH link_status 3rd byte: format KH, OK or error message (refer to Table 12.10) service_class/ SAP number 4th-5th byte: irrelevant rem_add_station 6th byte: format: KH: Number of the station: (0 .. 126) rem_add_segment 7th byte: irrelevant Ident bytes 8th byte: LE1 (length byte 1) 9th byte: LE2 (length byte 2) 10th byte: LE3 (length byte 3) 11th byte: LE4 (length byte 4) 12th byte: hardware version (12+LE1) byte: controller PROFIBUS interface module (12+LE1+LE2) byte: vendor name (12+LE1+LE2+LE3) byte: software release max. 200th byte The storage of the status data in a DB by the HDB RECEIVE is illustrated in detail in the example (Section 12.9.5). Volume 1 12 - 26
