Siemens Simatic S7-300 Technical Data Manual page 183

Technical data
Functionality
•
•
•
MPI
Services
•
•
•
•
•
•
2nd interface
Type of interface
Physics
electrically isolated
Type of interface
Interface power supply (15 to 30 VDC)
Functionality
MPI
PROFIBUS DP
Point-to-point communication
DP master
Services
•
•
•
•
•
•
•
•
Transmission speed
Number of DP slaves per station
Address area
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
MPI
PROFIBUS DP
Point-to-point communication
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
Technical data of CPU 31x
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No (but via CP and loadable FBs)
187.5 kbps
Integrated RS485 interface
RS 485
Yes
Integrated RS485 interface
max. 200 mA
No
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Up to 12 Mbps
124
max. 244 bytes
7.4 CPU 315-2 DP
7-17