Programming FCs (Functions) and FBs for S7 Ethernet CPs
173
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
5.5 Numeric Data / Resource Requirements of the FCs

Notice

Please note the version information of the blocks. Blocks with other versions have

different resource requirements.

Table 5-6 Information for FCs with an S7-400
NAME Version FC no. Load
memory
bytes
Work
memory
bytes
MC7
Bytes
Local data
Bytes
AG_SEND 1.1 5 732 576 540 20
AG_RECV 1.1 6 656 522 486 20
AG_LOCK 1.0 7 272 200 164 6
AG_UNLOCK 1.0 8 256 186 150 6
AG_LSEND 3.0 50 1044 846 810 52
AG_LRECV 3.0 60 1190 992 956 58
Table 5-7 Information for FCs with an S7-300
NAME Version FC no. Load
memory
bytes
Work
memory
bytes
MC7
Bytes
Local data
Bytes
AG_SEND 4.1 5 1916 1610 1574 50
AG_RECV 4.5 6 1408 1174 1138 40
AG_LOCK 4.0 7 748 636 600 34
AG_UNLOCK 4.0 8 712 604 568 32