Technical data of CPU 31x
7.5 CPU 315-2 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-19
7.5 7.5 CPU 315-2 PN/DP
Technical data
Table 7-6 Technical data for the CPU 315-2 PN/DP
Technical data
CPU and version
Order no. [MLFB] 6ES7315-2EG10-0AB0
• Hardware version
01
• Firmware version
V 2.3.0
• Associated programming package
STEP 7 as of V 5.3 + SP 1
Memory
Work memory
• Work memory
128 Kbytes
• Expandable
No
Capacity of the retentive memory for retentive
data blocks
128 Kbytes
Load memory Plugged in with MMC (Max. 8 MB)
Buffering Guaranteed by MMC (maintenance-free)
Data storage life on the MMC
(following final programming)
At least 10 years
Execution times
Processing times of
• Bit instructions
0.1 μs
• Word instructions
0.2 μs
• Integer maths
2 μs
• Floating-point maths
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 work memory)
S7 timers 256
• Retentive address areas
Configurable
• Default
Not retentive
• Timer range
10 ms to 9990 s
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