Siemens Simatic S7-300 - Page 190

Technical data of CPU 31x
7.5 CPU 315-2 PN/DP
CPU 31xC and CPU 31x, Technical data
7-24 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