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