Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-31
Technical Data
Number of DP slaves 124
Address range per DP slave Max. 244 bytes
DP master
(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 Mbaud
• Automatic baud rate search
Yes (only if interface is passive)
• Transfer 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 connection 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 rates Up to 12 Mbaud
Number of DP slaves 124
Address area Max. 244 bytes
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