Technical data of CPU 31x
7.7 CPU 317-2 PN/DP
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06
7-33
7.7 7.7 CPU 317-2 PN/DP
Technical Data
Table 7-8 Technical data for the CPU 317-2 PN/DP
Technical Data
CPU and version
Order number 6ES7317-2EJ10-0AB0
• 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
512 KB
• Expandable
No
Capacity of the retentive memory for retentive
data blocks
256 KB
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 operations
0.05 μs
• Word instructions
0.2 μs
• Fixed-point arithmetic
0.2 μs
• Floating-point arithmetic
1.0 μs
Timers/counters and their retentivity
S7 counters 512
• Retentive memory
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 512
• Retentive memory
Configurable
• Default
Not retentive
• Timer range
10 ms to 9990 s