Siemens SIMATIC S7-1200

Technical specifications
A.7 Specifications for the analog I/O
Easy Book
314 Manual, 03/2014, A5E02486774-AF
Smoothing selection (sample averaging)
Integration time selection
400 Hz (2.5 ms)
60 Hz (16.6 ms)
50 Hz (20 ms)
10 Hz (100 ms)
Weak (4 cycles):
4 samples
CPU
N/A
84
93
340
SB
10.6
59.3
70.8
346
SM
9
52
63
320
Medium (16 cycles):
16 samples
CPU
N/A
221
258
1210
SB
33.0
208
250
1240
SM
32
203
241
1200
Strong (32 cycles):
32 samples
CPU
N/A
424
499
2410
SB
63.0
408
490
2440
SM
61
400
483
2410
Sample rate
CPU
N/A
4.17
5
25
SB
0.156
1.042
1.250
6.250
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)
Sample time
Update time for all channels
4-channel SM
8-channel SM
CPU AI
400 Hz (2.5 ms)
0.625 ms
1
2.5 ms
10 ms
N/A ms
60 Hz (16.6 ms)
4.170 ms
4.17 ms
4.17 ms
4.17 ms
50 Hz (20 ms)
5.000 ms
5 ms
5 ms
5 ms
10 Hz (100 ms)
25.000 ms
25 ms
25 ms
25 ms
1
Sample rate for 8-channel SM is 1.250 ms.
Table A- 42 Sample time and update time for SB
Rejection frequency (Integration time)
Sample time
SB update time
400 Hz (2.5 ms) 0.156 ms 0.156 ms
60 Hz (16.6 ms)
1.042 ms
1.042 ms
50 Hz (20 ms) 1.250 ms 1.25 ms
10 Hz (100 ms)
6.250 ms
6.25 ms