Personal Computer User Manual
Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical data
7-30 Manual, Edition 08/2004, A5E00105475-05
Technical data
Number of connections 32
can be used for
• PG communication
– Reserved (default)
– Configurable
Max. 31
1
1 to 31
• OP communication
– Reserved (default)
– Configurable
Max. 31
1
1 to 31
• S7-based communication
– Reserved (default)
– Configurable
Max. 30
0
0 to 30
Routing Yes (max. 8)
Interfaces
1st interface
Type of interface Integrated RS485 interface
Physics RS 485
electrically isolated Yes
Interface power supply
(15 to 30 VDC)
max. 200 mA
Functionality
• MPI
Yes
• PROFIBUS DP
Yes
• Point-to-point communication
No
MPI
Services
• PG/OP communication
Yes
• Routing
Yes
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication
– As server
– As client
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