A.6.4
Step response of the analog inputs
Table A- 88
Step response (ms), 0 to full-scale measured at 95%
Smoothing selection (sample averaging)
None (1 cycle): No averaging
Weak (4 cycles): 4 samples
Medium (16 cycles): 16 samples
Strong (32 cycles): 32 samples
Sample time
4 channels
8 channels
A.6.5
Sample time and update times for the analog inputs
Table A- 89
Sample time and update time
Rejection frequency
(Integration time)
400 Hz (2.5 ms)
60 Hz (16.6 ms)
50 Hz (20 ms)
10 Hz (100 ms)
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
Noise reduction/rejection frequency (Integration time selection)
400 Hz (2.5 ms)
4 ms
9 ms
32 ms
61 ms
0.625 ms
1.25 ms
Sample time
4-channel SM: 0.625 ms
8-channel SM: 1.250 ms
4.170 ms
5.000 ms
25.000 ms
A.6 Analog signal modules (SMs)
60 Hz (16.6 ms)
50 Hz (20 ms)
18 ms
52 ms
203 ms
400 ms
4.17 ms
5 ms
4.17 ms
5 ms
Update time for all channels
4-channel SM
2.5 ms
4.17 ms
5 ms
25 ms
553BTechnical specifications
10 Hz (100 ms)
22 ms
100 ms
63 ms
320 ms
241 ms
1200 ms
483 ms
2410 ms
25 ms
25 ms
8-channel SM
10 ms
4.17 ms
5 ms
25 ms
707