Siemens SIMATIC S7-400H System Manual page 360
Fault-tolerant systems
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Also See for SIMATIC S7-400H:
- System manual (376 pages) ,
- Manual (337 pages) ,
- Manual (10 pages)
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S7-400 cycle and response times
19.2 Calculating the cycle time
Portion
F
In the PNIO area for the integrated PROFINET interface
Read/write for each byte/word/double word
G
Per submodule with 32 bytes of consistent data for the
integrated PROFINET interface
In the case of I/O inserted into the central controller or expansion device,
*)
the specified value contains the execution time of the I/O module
The module data is updated with the minimum number of accesses.
(example: 8 bytes result in 2 double word accesses; 16 bytes in 4 double word accesses.)
Measured with IM460-3 and IM461-3 at a link length of 100 m
**)
Measured with modules with 1 byte of user data, e.g. DI 16.
***)
Table 19- 4
Portion of the process image transfer time, CPU 414-5H
Portion
K
Base load
A
In the central controller
*)
Read/write byte/word/double word
B
In the expansion unit with local link
*)
Read/write byte/word/double word
C
In the expansion unit with remote link
*)**)
Read/write byte/word/double word
D1
In the DP area for the integrated DP interface
Read byte/word/double word
D2
In the DP area for the external DP interfaces
***)
Read/write byte/word/double word
E1
Consistent data in the process image for the integrated DP
interface
Read/write data
E2
Consistent data in the process image for the external DP
interface (CP 443–5 extended)
Read
write
F
In the PNIO area for the integrated PROFINET interface
Read/write for each byte/word/double word
G
Per submodule with 32 bytes of consistent data for the
integrated PROFINET interface
In the case of I/O inserted into the central controller or expansion device,
*)
the specified value contains the execution time of the I/O module
The module data is updated with the minimum number of accesses.
(example: 8 bytes result in 2 double word accesses; 16 bytes in 4 double word accesses.)
Measured with IM460-3 and IM461-3 at a link length of 100 m
**)
Measured with modules with 1 byte of user data, e.g. DI 16.
***)
360
CPU 412–5H
stand-alone mode
4 µs
28 µs
CPU 414–5H
stand-alone mode
8 µs
8.5 µs
23 µs
47 µs
0.5 µs
5.2 µs
15 µs
130 µs
65 µs
3 µs
15 µs
System Manual, 03/2012, A5E00267695-11
CPU 412–5H
redundant
40 µs
70 µs
CPU 414–5H
redundant
9 µs
25 µs
40 µs
64 µs
21.5 µs
24.6 µs
45 µs
170 µs
100 µs
25 µs
45 µs
S7-400H
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