Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 131)

Technical data of CPU 31xC
6.5 CPU 314C-2 PtP and CPU 314C-2 DP
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-21
6.5 CPU 314C-2 PtP and CPU 314C-2 DP
Technical data
Table 6-6 Technical data of CPU 314C-2 PtP and CPU 314C-2 DP
Technical data
CPU 314C-2 PtP CPU 314C-2 DP
CPU and version CPU 314C-2 PtP CPU 314C-2 DP
Order number 6ES7 314-6BF01-0AB0 6ES7 314-6CF01-0AB0
• Hardware version 01 01
• Firmware version V2.0.0 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)
STEP 7 as of V 5.2 + SP 1
(please use previous CPU for STEP 7
V 5.1 + SP 3 or later)
Memory CPU 314C-2 PtP CPU 314C-2 DP
RAM
• Integrated 48 KB
• 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 CPU 314C-2 PtP CPU 314C-2 DP
Processing times of
• Bit operations Min. 0.1 μs
• Word instructions Min. 0.2 μs
• Fixed-point arithmetic Min. 2 μs
• Floating-point arithmetic Min. 6 μs
Timers/counters and their retentivity CPU 314C-2 PtP CPU 314C-2 DP
S7 counters 256
• Retentive memory 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 memory Configurable
• Default Not retentive
• Timer range 10 ms to 9990 s
IEC Timers Yes
• Type SFB
• Number unlimited (limited only by RAM size)