Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-49
Technical data
electrically isolated Yes
Autosensing (10/100 Mbaud) Yes
Functionality
• PROFINET
Yes
• MPI
No
• PROFIBUS DP
No
• Point-to-point connection
No
Services
• PG/OP communication
Yes
• S7 communication
– Max. configurable interconnections
– Maximum number of instances
Yes (with loadable FBs)
16
32
• Routing
Yes
• PROFINET IO
Yes
• PROFINET CBA
Yes
• Open IE communication
– via TCP/IP
– ISO on TCP
– UDP
Yes
Yes
Yes
PROFINET IO
Number of integrated PROFINET IO controllers 1
Number of PROFINET IO devices that can be
connected
256
Max. user data consistency with PROFINET IO 256 bytes
Update Rate 1 ms to 512 ms
The minimum value is determined by the set
communication portion for PROFINET IO, the
number of IO devices and the amount of
configured user data.
PROFINET CBA
Acyclic transfer Yes
Cyclic transfer Yes
GSD file The latest GSD file is available at:
http://www.automation.siemens.com/csi/gsd
CPU/Programming
Programming language STEP 7 as of V5.3
LAD Yes
FBD Yes
STL Yes
SCL Yes
CFC Yes
GRAPH Yes
HiGraph Yes
Instruction set See the Instruction List
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