Siemens CPU 312C - Page 213

Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-47
Technical data
MPI
Services
• PG/OP communication
Yes
• Routing
Yes
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication, as server
Yes
• S7 communication, as client
No (but via CP and loadable FBs)
• Transmission rates
Max. 12 Mbits/s
DP master
Services
• PG/OP communication
Yes
• Routing
Yes
• Global data communication
No
• S7 basic communication
No
• S7 communication
No
• Constant bus cycle time support
Yes
• SYNC/FREEZE
Yes
• DPV1
Yes
Transmission rate Max. 12 Mbits/s
Number of DP slaves Max. 124
Address area
• Inputs, Max.
244 Kbytes
• Outputs, Max.
244 Kbytes
DP slave (except for DP slave at both DP interfaces)
Services
• PG/OP communication
Yes
• Routing
Yes (only if interface is active)
• Global data communication
No
• S7 basic communication
No
• S7 communication
No
• Direct data exchange
Yes
• DPV1
No
Transmission rates Up to 12 Mbits/s
Automatic baud rate search Yes (only if interface is passive)
Intermediate memory
• Inputs
244 bytes
• Outputs
244 bytes
Address areas Max. 32
User data per addresss area Max. 32 bytes