Technical data of CPU 31xC   
6.3 CPU 313C 
  CPU 31xC and CPU 31x, Technical Data 
6-8  Manual, 01/2006 Edition, A5E00105475-06 
Reference 
In Chapter 
Specifications of the integrated I/O
 you can find 
•  the specifications of integrated I/Os under 
Digital inputs of CPUs 31xC
 and 
Digital outputs 
of CPUs 31xC
. 
•  the block diagrams of the integrated I/Os under 
Arrangement and usage of integrated 
I/Os
. 
6.3  6.3 CPU 313C 
Technical data 
Table 6-4  Technical data of CPU 313C 
Technical data 
CPU and version 
Order no. [MLFB]  6ES7 313-5BE01-0AB0 
•  Hardware version 
01 
•  Firmware version 
V2.0.0 
•  Associated programming package 
STEP 7 as of V 5.2 + SP 1 
(please use previous CPU for STEP 7 V 5.1 + SP 
3 or later) 
Memory 
Work memory   
•  Integrated 
32KB 
•  Expandable 
No 
Load memory  Plugged in with MMC (Max. 8 MB) 
Data storage life on the MMC  
(following final programming) 
At least 10 years 
Buffering  Guaranteed by MMC (maintenance-free) 
Execution times 
Processing times of   
•  Bit operations 
Min. 0.1 μs 
•  Word instructions 
Min. 0.2 μs 
•  Fixed-point arithmatic 
Min. 2 μs 
•  Floating-point arithmatic 
Min. 3 μs 
Timers/counters and their retentive address areas 
S7 counters  256 
•  Retentive address areas 
Configurable 
•  Default 
From C 0 to C 7 
•  Counting range 
0 to 999