Siemens CPU 312 - Page 136

Technical data of CPU 31xC
6.5 CPU 314C-2 PtP and CPU 314C-2 DP
CPU 31xC and CPU 31x, Technical Data
6-24 Manual, 01/2006 Edition, A5E00105475-06
Technical data
CPU 314C-2 PtP CPU 314C-2 DP
Forcing Yes
• Variables
Inputs, outputs
• Number of variables
Max. 10
Block status Yes
Single step Yes
Breakpoints 2
Diagnostic buffer Yes
• Number of entries (not configurable)
Max. 100
Communication functions CPU 314C-2 PtP CPU 314C-2 DP
PG/OP communication Yes
Global data communication Yes
• Number of GD circuits
4
• Number of GD packets
– Sending stations
– Receiving stations
Max. 4
Max. 4
Max. 4
• Length 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
• As server
Yes
• as client
Yes (via CP and loadable FBs)
• User data per job
– Consistent data
Max. 180 bytes (with PUT/GET)
64 bytes
S5-compatible communication Yes (via CP and loadable FCs)
Number of connections Max. 12
can be used for
• PG communication
– Reserved (default)
– Configurable
Max. 11
1
From 1 to 11
• OP communication
– Reserved (default)
– Configurable
Max. 11
1
From 1 to 11
• S7-based communication
– Reserved (default)
– Configurable
Max. 8
8
from 0 to 8
Routing No Max. 4