Siemens CPU 315-2 PN/DP - Page 182

Technical data of CPU 31x
7.4 CPU 315-2 DP
CPU 31xC and CPU 31x, Technical Data
7-16 Manual, 01/2006 Edition, A5E00105475-06
Technical data
Diagnostic buffer Yes
• Number of entries (not configurable)
Max. 100
Communication functions
PG/OP communication Yes
Global data communication Yes
• Number of GD circuits
8
• Number of GD packets
– Sender
– Receiver
Max. 8
Max. 8
Max. 8
• Size of GD packets
– Consistent data
Max. 22 bytes
22 bytes
S7 basic communication Yes
• User data per job
– Consistent data
Max. 76 bytes
76 bytes (for X_SEND or X_RCV)
64 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
– Consistent data
Max. 180 bytes (with PUT/GET)
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)
– Configurable
Max. 15
1
1 to 15
• OP communication
– Reserved (default)
– Configurable
Max. 15
1
1 to 15
• S7-based communication
– Reserved (default)
– Configurable
Max. 12
12
0 to 12
Routing Yes (Max. 4)
interfaces
1st interface
Type of interface Integrated RS485 interface
Physics RS 485
electrically isolated No
Interface power supply
(15 to 30 VDC)
Max. 200 mA