Siemens SIMATIC S7-300 CPU Data: CPU 315-T-2 DP - Page 93

Technical data
8.2 CPU 315T-2 DP
Technical data
• User data per job
Max. 76 bytes
Consistent data 76 bytes (for X_SEND or X_RCV)
76 bytes (for X_PUT or X_GET as the server)
S7 communication Yes
• As server
Yes
• As client
Yes (via CP and loadable FBs)
• User data per job
Max. 180 bytes (with PUT/GET)
Consistent data 64 byte (as the server)
S5compatible communication Yes (via CP and loadable FCs)
Number of connections 16
Can be used for
• PG communication
Reserved (default) 1
Configurable 1 to 15
• OP communication
Reserved (default) 1
Configurable 1 to 15
• S7-based communication
Yes
Reserved (default) 12
Configurable 0 to 12
Routing Yes (depending on the version of the firmware
product (CPU)):
Version 2.3 and earlier: 4
Version 2.4 and later: 8
Interfaces
1st interface (X1)
Type of interface Integrated RS485 interface
Physics RS 485
Isolated Yes
Interface power supply
(15 to 30 VDC)
Max. 200 mA
• Functionality
• MPI
Yes
• PROFIBUS DP
Yes
• PROFIBUS DP (DRIVE)
No
• Point-to-point connection
No
MPI
Services
• PG/OP communication
Yes
• Routing
Yes
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication
Yes
S7-300 CPU Data: CPU 315T-2 DP
Manual, 12/2005, A5E00427933-02
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