553BTechnical specifications
A.3 CPU 1212C
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
677
Technical data
Description
Smoothing
None, Weak, Medium, or Strong
See the table for step response (ms) for the analog inputs of the CPU
(Page 677).
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.3.3.1
Step response of the built-in analog inputs of the CPU
Table A- 34 Step Response (ms), 0V to 10V measured at 95%
Rejection frequency (Integration time)
Smoothing selection (sample averaging)
60 Hz
50 Hz
10 Hz
None (1 cycle): No averaging
63 ms
65 ms
130 ms
Weak (4 cycles): 4 samples
84 ms
93 ms
340 ms
Medium (16 cycles): 16 samples
221 ms
258 ms
1210 ms
Strong (32 cycles): 32 samples
424 ms
499 ms
2410 ms
Sample time
4.17 ms
5 ms
25 ms
A.3.3.2
Sample time for the built-in analog ports of the CPU
Table A- 35 Sample time for built-in analog inputs of the CPU
Rejection frequency(Integration time selection)
Sample time
60 Hz(16.6 ms)
4.17 ms
50 Hz (20 ms)
5 ms
10 Hz (100 ms)
25 ms