Step Response Of The Analog Inputs; Sample Time And Update Times For The Analog Inputs; Measurement Ranges Of The Analog Inputs For Voltage And Current (Sb And Sm) - Siemens S7-1200 System Manual

Technical specifications
A.8 Analog signal modules (SMs)
A.8.4

Step response of the analog inputs

Table A- 157 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 AI x 13 bits
•
8 AI x 13 bits
•
4 AI4 x 16 bits
•
A.8.5

Sample time and update times for the analog inputs

Table A- 158 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)
A.8.6

Measurement ranges of the analog inputs for voltage and current (SB and SM)

Table A- 159 Analog input representation for voltage (SB and SM)
System
Decimal Hexadecimal
32767 7FFF
32512 7F00
32511 7EFF
27649 6C01
27648 6C00
20736 5100
1 1
916
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
•
0.417 ms
•
Sample time
4-channel SM: 0.625 ms
•
8-channel SM: 1.250 ms
•
4.170 ms
5.000 ms
25.000 ms
Voltage Measuring Range
±10 V ±5 V
11.851 V 5.926 V
11.759 V 5.879 V
10 V 5 V
7.5 V 3.75 V
361.7 μV 180.8 μV
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
• •
0.397 ms 0.400 ms
• •
Module update time for all channels
4-channel SM
0.625 ms
4.17 ms
5 ms
25 ms
±2.5 V ±1.25 V
2.963 V 1.481 V
2.940 V 1.470 V
2.5 V 1.250 V
1.875 V 0.938 V
90.4 μV 45.2 μV
System Manual, 03/2014, A5E02486680-AG
10 Hz (100 ms)
22 ms 100 ms
63 ms 320 ms
241 ms 1200 ms
483 ms 2410 ms
25 ms
•
25 ms
•
0.400 ms
•
8-channel SM
1.250 ms
4.17 ms
5 ms
25 ms
Overflow
Overshoot range
Rated range
S7-1200 Programmable controller