Technical data of CPU 31x
7.5 CPU 315-2 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-25
Technical data
2nd interface
Type of interface PROFINET
Physics Ethernet
electrically isolated Yes
Autosensing (10/100 Mbps) Yes
Functionality
• PROFINET
Yes
• MPI
No
• PROFIBUS DP
No
• Point-to-point connection
No
Services
• PG communication
Yes
• OP communication
Yes
• S7 communication
– Max. configurable interconnections
– Maximum number of instances
Yes (with loadable FBs)
14
32
• Routing
Yes
• PROFINET IO
Yes
• PROFINET CBA
Yes
PROFINET IO
Number of integrated PROFINET IO controllers 1
Number of connectable PROFINET IO devices 128
Max. user data consistency with PROFINET IO 256 bytes
Update Time 1 ms to 512 ms
The minimum value is determined by the set
communication portion for PROFINET IO, the
number of IO devices and the amount of
configured user data.
Routing Yes
S7 protocol functions
• PG functions
Yes
• OP functions
Yes
• Open IE communication via TCP/IP
Yes
GSD file The latest GSD file is available at:
http://www.automation.siemens.com/csi/gsd
Programming
Programming language LAD/FBD/STL
Instruction set See the Instruction List
Nesting levels 8
System functions (SFC) See the Instruction List
System function blocks (SFB) See the Instruction List
User program protection Yes
Dimensions
Mounting dimensions W x H x D (mm) 80 x 125 x 130