Technical data

12.3.2 FDL_READ_VALUE_Confirmation
In the FDL_READ_VALUE confirmation, the values for the header and bus
parameters are stored 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 requested:
FDL_READ_VALUE=0B
H
link_status 3rd byte: format KH, OK or error message
(refer to Table 12.4)
service_class/
SAP number/
rem_add_station/
rem_add_segment
4th-7th byte: irrelevant
Bus parameter
block
from 8th byte: (refer to Table 12.5)
The storage of the block data in a DB by HDB RECEIVE is described in
detail in Section 12.9.1.
The parameter link_status of the confirmation indicates the success or
failure of the previous FMA request.
Service and Diagnostics using FMA Functions B8976060/02
Volume 1 12 - 14