Personal Computer User Manual

Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
7-31
Technical data
Transmission speed Up to 12 Mbps
Number of DP slaves 124
Address range per DP slave max. 244 bytes
DP slave
(except for DP slave at both interfaces)
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 Integrated RS485 interface
Physics RS 485
electrically isolated Yes
Type of interface Integrated RS485 interface
Interface power supply (15 to 30 VDC) max. 200 mA
Functionality
MPI No
PROFIBUS DP Yes
Point-to-point communication No
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
Address area max. 244 bytes