Sample Time And Update Times For The Analog Inputs - Siemens SIMATIC S7-1200 Manual

Technical specifications
A.7 Specifications for the analog I/O
Smoothing selection (sample averaging)
Weak (4 cycles): CPU
4 samples
SB
SM
Medium (16 cycles): CPU
16 samples
SB
SM
Strong (32 cycles): CPU
32 samples
SB
SM
Sample rate CPU
SB
A.7.4

Sample time and update times for the analog inputs

Table A- 41 Sample time and update time for SM and CPU
Rejection frequency
(Integration time)
400 Hz (2.5 ms)
60 Hz (16.6 ms)
50 Hz (20 ms)
10 Hz (100 ms)
Sample rate for 8-channel SM is 1.250 ms.
1
Table A- 42 Sample time and update time for SB
Rejection frequency (Integration time)
400 Hz (2.5 ms)
60 Hz (16.6 ms)
50 Hz (20 ms)
10 Hz (100 ms)
314
400 Hz (2.5 ms)
N/A
10.6
9
N/A
33.0
32
N/A
63.0
61
N/A
0.156
Sample time
4-channel SM
0.625 ms
1
4.170 ms
5.000 ms
25.000 ms
Sample time
0.156 ms
1.042 ms
1.250 ms
6.250 ms
Integration time selection
60 Hz (16.6 ms)
84
59.3
52
221
208
203
424
408
400
4.17
1.042
Update time for all channels
8-channel SM
2.5 ms 10 ms
4.17 ms 4.17 ms
5 ms 5 ms
25 ms 25 ms
50 Hz (20 ms) 10 Hz (100 ms)
93 340
70.8 346
63 320
258 1210
250 1240
241 1200
499 2410
490 2440
483 2410
5 25
1.250 6.250
CPU AI
N/A ms
4.17 ms
5 ms
25 ms
SB update time
0.156 ms
1.042 ms
1.25 ms
6.25 ms
Manual, 03/2014, A5E02486774-AF
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