Siemens CPU 312 - Page 124

Technical data of CPU 31xC
6.3 CPU 313C
CPU 31xC and CPU 31x, Technical Data
6-12 Manual, 01/2006 Edition, A5E00105475-06
Technical data
• S7 basic communication
– Reserved (default)
– Configurable
Max. 4
4
From 0 to 4
Routing No
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
Functionality
• MPI
Yes
• PROFIBUS DP
No
• PtP communication
No
MPI
Services
• PG/OP communication
Yes
• Routing
No
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication
– As server
– As client
Yes
No (but with CP and loadable FB)
• Transmission rates
Max. 187.5 kbps
Programming
Programming language LAD/FBD/STL
Instruction set see the Instruction List
Nesting levels 8
System functions (SFC) see the Instruction List
System function blocks (SFB) see the Instruction List
User program protection Yes
Integrated I/O
• Default addresses of the integrated
– Digital inputs
– Digital outputs
– Analog inputs
– Analog outputs
124.0 to 126.7
124.0 to 125.7
752 to 761
752 to 755
Integrated functions
Counters 3 channels (see manual Technological Functions )
Frequency counter 3 channels up to Max. 30 kHz (see the
Technological Functions manual)
Pulse outputs 3 channels pulse-width modulation up to Max.
2,5 kHz (see
Technological Functions manual)