Technical data

12.6.2 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 =01
H
user_id 1st byte: ID assigned with FDL request
(optional)
service_code 2nd byte: format KH, type of service provided:
FDL_IDENT=1C
H
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).
Service and Diagnostics using FMA Functions B8976060/02
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