Technical data

The basic procedure for communication with the free layer 2 access is
described in Chapter 8.
The job numbers ANR 134 to ANR 186 are available for these layer 2
functions.
3.3.1.3 Fieldbus Management with FMA Services
The FMA services are provided on the CP 5430 TF/CP 5431 FMS for
service and information purposes. The execution of an FMA service
corresponds to that of an FL2 service. The following reading (passive) FMA
services are available to the user on the CP:
➣
FDL_READ_VALUE
➣
LSAP_STATUS
➣
FDL_LIFE_LIST_CREATE_LOCAL
➣
FDL_IDENT
➣
FDL_READ_STATISTIC_CTR
➣
FDL_READ_LAS_STATISTIC_CTR.
To start an FMA service, the job buffer (8 byte "header") must be
transferred to layer 2. The data for the job are then returned in the
confirmation.
The basic procedure for the FMA services using FL2 access is described in
Chapter 12. The special job number ANR 200 is available for these
management functions.
Fundamentals of the Model B8976060/02
Volume 1 3 - 14