Technical data of CPU 31x 
  7.4 CPU 315-2 DP 
CPU 31xC and CPU 31x, Technical Data 
Manual, 01/2006 Edition, A5E00105475-06 
7-13 
7.4  7.4 CPU 315-2 DP 
Technical data 
Table 7-5  Technical data for the CPU 315-2 DP 
Technical data 
CPU and version 
Order no. [MLFB]  6ES7315-2AG10-0AB0 
•  Hardware version 
01 
•  Firmware version 
V 2.0.0 
•  Associated programming package 
STEP 7 as of V 5.1 + SP 4 
Memory 
Work memory   
•  Integrated 
128 Kbytes 
•  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 instructions 
Min. 0.1 μs 
•  Word instructions 
Min. 0.2 μs 
•  Integer maths 
Min. 2.0 μs 
•  Floating-point maths 
Min. 3 μs 
Timers/counters and their retentive address areas 
S7 counters  256 
•  Retentive address areas 
Configurable 
•  Default 
From C0 to C7 
•  Counting range 
0 to 999 
IEC Counters  Yes 
•  Type 
SFB 
•  Number 
unlimited (limited only by RAM size) 
S7 timers  256 
•  Retentive address areas 
Configurable 
•  Default 
Not retentive 
•  Timer range 
10 ms to 9990 s 
IEC timers  Yes  
•  Type 
SFB 
•  Number 
unlimited (limited only by RAM size)