Communication
3.4 DPV1
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
3-35
Note
You can also use SFB 52 to SFB 54 for centralized I/O modules. SFBs 52 to 54 can also be
used for PN IO.
Reference
For further information on the blocks mentioned earlier, refer to the reference manual
System Software for S7-300/400: System and Standard Software
, or directly to the
STEP
7Online Help
.
See also
PROFIBUS DP (Page 3-2)