Siemens S7-1200 - Analog Inputs; Step Response of the Built-In Analog Inputs of the CPU

Technical specifications
A.4 CPU 1214C
S7-1200 Programmable controller
862 System Manual, 03/2014, A5E02486680-AG
A.4.4
Analog inputs
Table A- 56 Analog inputs
Technical data
Description
Number of inputs
2
Type
Voltage (single-ended)
Full-scale range
0 to 10 V
Full-scale range (data word)
0 to 27648
Overshoot range
10.001 to 11.759 V
Overshoot range (data word)
27649 to 32511
Overflow range
11.760 to 11.852 V
Overflow range (data word)
32512 to 32767
Resolution
10 bits
Maximum withstand voltage
35 VDC
Smoothing None, Weak, Medium, or Strong
See the table for step response (ms) for the analog inputs of the CPU
(Page 862).
Noise rejection
10, 50, or 60 Hz
Impedance
≥100 KΩ
Isolation (field side to logic)
None
Accuracy (25 °C / 0 to 55 °C)
3.0% / 3.5% of full-scale
Cable length (meters)
100 m, shielded twisted pair
A.4.4.1
Step response of the built-in analog inputs of the CPU
Table A- 57 Step Response (ms), 0 V to 10 V measured at 95%
Smoothing selection (sample averaging)
Rejection frequency (Integration time)
60 Hz
50 Hz
10 Hz
None (1 cycle): No averaging 50 ms 50 ms 100 ms
Weak (4 cycles): 4 samples
60ms
70 ms
200 ms
Medium (16 cycles): 16 samples
200 ms
240 ms
1150 ms
Strong (32 cycles): 32 samples
400 ms
480 ms
2300 ms
Sample time
4.17 ms
5 ms
25 ms