Siemens CPU 31 Series Technical Data Manual page 177

Technical data
Diagnostic buffer
•
Communication functions
PG/OP communication
Global data communication
•
•
•
S7 basic communication
•
S7 communication
•
•
•
S5compatible communication
Number of connections
Can be used for
•
•
•
Routing
interfaces
1st interface
Type of interface
Physics
electrically isolated
Interface power supply
(15 to 30 VDC)
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
Number of entries (not configurable)
Number of GD circuits
Number of GD packets
Sender
–
Receiver
–
Size of GD packets
Consistent data
–
User data per job
Consistent data
–
As server
as client
User data per job
Consistent data
–
PG communication
Reserved (default)
–
Configurable
–
OP communication
Reserved (default)
–
Configurable
–
S7-based communication
Reserved (default)
–
Configurable
–
Technical data of CPU 31x
Yes
Max. 100
Yes
Yes
4
Max. 4
Max. 4
Max. 4
Max. 22 bytes
22 bytes
Yes
Max. 76 bytes
76 bytes (for X_SEND or X_RCV)
64 bytes (for X_PUT or X_GET as the server)
Yes
Yes
Yes (via CP and loadable FBs)
Max. 180 (for PUT/GET)
64 bytes
Yes (via CP and loadable FCs)
12
Max. 11
1
1 to 11
Max. 11
1
1 to 11
Max. 8
8
0 to 8
No
Integrated RS485 interface
RS 485
No
Max. 200 mA
7.3 CPU 314
7-11