Siemens SIMATIC C7-613 - Page 77

Integration into the User Program
4-21
C7-613 Control System
A5E00138934-03
Table 4-3 Parameters of the “HMI API” FB, continued
Parameter DescriptionMemory
Area
Data TypeDeclaration
RETVAL OUTPUT INT M, D, L, A Return value; provides information
about possible errors and the
status of the HMI functions. The
return values are described in
Appendix B.1
ADDINFO OUTPUT INT M, D, L, A Supplementary information for the
return value (RETVAL). The
supplementary information is
described in Appendix B.1
KEYS INOUT DWORD M, D, L Keyboard image (refer to Section
4.5.2)
JOB_ID INOUT INT M, D, L Job compartment,
job number
(Parameter can only be specified
indirectly, refer to Section 4.5.3)
0 = Last job executed
JOB_PAR1 INOUT INT M, D, L Job compartment
Parameter 1
(parameter can only be specified
indirectly; see Section 4.5.3)
JOB_PAR2 INOUT INT M, D, L Job compartment
Parameter 2
(parameter can only be specified
indirectly; see Section 4.5.3)
JOB_PAR3 INOUT INT M, D, L Job compartment
Parameter 3
(parameter can only be specified
indirectly; see Section 4.5.3)