Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 User Manual
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