Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 196)

Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical data
7-30
Manual, Edition 08/2004, A5E00105475-05
Technical data
Number of connections
32
can be used for
• PG communication
–
Reserved (default)
– Configurable
Max. 31
1
1 to 31
• OP communication
–
Reserved (default)
– Configurable
Max. 31
1
1 to 31
• S7-based communication
–
Reserved (default)
– Configurable
Max. 30
0
0 to 30
Routing Yes (max. 8)
Interfaces
1st interface
Type of interface
Integrated RS485 interface
Physics RS 485
electrically isolated Yes
Interface power supply
(15 to 30 VDC)
max. 200 mA
Functionality
• MPI Yes
• PROFIBUS DP Yes
• Point-to-point communication No
MPI
Services
• PG/OP communication Yes
• Routing Yes
• Global data communication Yes
• S7 basic communication Yes
• S7 communication
–
As server
– As client
Yes
No (but via CP and loadable FBs)
• Transmission rates Max. 12 Mbps
DP master
Services
• PG/OP communication Yes
• Routing Yes
• Global data communication No
• S7 basic communication No
• S7 communication No
• Constant bus cycle time Yes
• SYNC/FREEZE Yes
• DPV1 Yes