Siemens CPU 312C User Manual

Technical data of CPU 31x
7.2 CPU 312
CPU 31xC and CPU 31x, Technical Data
7-6 Manual, 01/2006 Edition, A5E00105475-06
Technical data
Force 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
PG/OP communication Yes
Global data communication Yes
• Number of GD circuits
4
• Number of GD packets
– Sender
– Receiver
Max. 4
Max. 4
Max. 4
• 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
• As server
Yes
• User data per job
– Consistent data
Max. 180 bytes (with PUT/GET)
64 bytes
S5compatible communication Yes (via CP and loadable FCs)
Number of connections Max. 6
Can be used for
• PG communication
– Reserved (default)
– Configurable
Max. 5
1
From 1 to 5
• OP communication
– Reserved (default)
– Configurable
Max. 5
1
From 1 to 5
• S7-based communication
– Reserved (default)
– Configurable
Max. 2
2
from 0 to 2
Routing No
interfaces
1st interface
Type of interface Integrated RS485 interface
Physics RS 485
electrically isolated No

Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English