Analog Inputs; Step Response Of The Built-In Analog Inputs Of The Cpu - Siemens S7-1200 System Manual

Technical specifications
A.4 CPU 1214C
A.4.4

Analog inputs

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