Siemens Simatic S7-300 Technical Data Manual page 203

Technical data
Routing
•
•
CBA (at 50 % communication load)
•
•
•
•
•
Remote interconnections with acyclical transmission
Scan rate: Minimum scan interval
Number of incoming interconnections
Number of outgoing interconnections
Remote interconnections with cyclical transmission
Scan rate: Minimum scan interval
Number of incoming interconnections
Number of outgoing interconnections
HMI interconnections via PROFINET (acyclic)
HMI interconnections
Number of HMI variables
Sum of all interconnections
Interfaces
1st interface
Type of interface
Physics
electrically isolated
Interface power supply
(15 to 30 VDC)
Functionality
•
•
•
•
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
Interface X1 configured as
MPI
–
DP master
–
DP slave (active)
–
Interface X2 configured as
PROFINET
–
Maximum data length for arrays and
structures between two partners
Acyclic PROFINET interconnections
–
Cyclic PROFINET interconnections
–
Local interconnections
–
Number of coupled PROFIBUS devices
Total of all master/slave connections
Number of device-internal and PROFIBUS
interconnections
Number of remote interconnecting partners
MPI
PROFIBUS DP
Point-to-point communication
PROFINET
Technical data of CPU 31x
Yes
Max. 10
Max. 24
Max. 14
Max. 24
1400 bytes
450 bytes
Slave-dependent
16
1000
500
32
500 ms
100
100
10 ms
200
200
500 ms
200
4000 bytes input/4000 bytes output
Integrated RS485 interface
RS 485
Yes
max. 200 mA
Yes
Yes
No
No
7.7 CPU 317-2 PN/DP
7-37