Siemens SIMATIC S7-300 Manual page 93

Technical data
•
Consistent data
S7 communication
•
•
•
Consistent data
S5compatible communication
Number of connections
Can be used for
•
Reserved (default)
Configurable
•
Reserved (default)
Configurable
•
Reserved (default)
Configurable
Routing
Interfaces
1st interface (X1)
Type of interface
Physics
Isolated
Interface power supply
(15 to 30 VDC)
•
•
•
•
•
MPI
Services
•
•
•
•
•
S7-300 CPU Data: CPU 315T-2 DP
Manual, 12/2005, A5E00427933-02
User data per job
As server
As client
User data per job
PG communication
OP communication
S7-based communication
Functionality
MPI
PROFIBUS DP
PROFIBUS DP (DRIVE)
Point-to-point connection
PG/OP communication
Routing
Global data communication
S7 basic communication
S7 communication
Max. 76 bytes
76 bytes (for X_SEND or X_RCV)
76 bytes (for X_PUT or X_GET as the server)
Yes
Yes
Yes (via CP and loadable FBs)
Max. 180 bytes (with PUT/GET)
64 byte (as the server)
Yes (via CP and loadable FCs)
16
1
1 to 15
1
1 to 15
Yes
12
0 to 12
Yes (depending on the version of the firmware
product (CPU)):
Version 2.3 and earlier: 4
Version 2.4 and later: 8
Integrated RS485 interface
RS 485
Yes
Max. 200 mA
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Technical data
8.2 CPU 315T-2 DP
8-7