Siemens Simatic S7-300 Technical Data Manual page 204

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