Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 204)

Technical data of CPU 31x
7.7 CPU 317-2 PN/DP
CPU 31xC and CPU 31x, Technical data
7-38
Manual, Edition 08/2004, A5E00105475-05
Technical data
MPI
Services
• PG/OP communication Yes
• Routing Yes
• Global data communication Yes
• S7 basic communication Yes
• S7 communication
–
As server
– As client
Yes
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
Transmission speed Up to 12 Mbps
Number of DP slaves 124
DP slave
Services
• Routing Yes (only if interface is active)
• Global data communication No
• S7 basic communication No
• S7 communication No
• Direct data exchange Yes
• Transmission rates Up to 12 Mbps
• Automatic baud rate search Yes (only if interface is passive)
• Intermediate memory 244 bytes I / 244 bytes O
• Address areas max. 32 with max. 32 bytes each
• DPV1 No
2nd interface
Type of interface PROFINET
Physics Ethernet
electrically isolated Yes
Autosensing (10/100 Mbps) Yes