Siemens SIMATIC ET 200S Operating Instructions Manual page 168

1Count5V/500kHz
3.7 Measurement Modes
Limit-Value Monitoring
The following value ranges are permitted for limit-value monitoring:
Low limit f
0 to 499,999,999 Hz*10
Possible Measuring Ranges with Error Indication
Integration time
See also
Gate Functions in Measurement Modes (Page 182)
Behavior of the Outputs in Measurement Modes (Page 183)
Assignment of the Feedback and Control Interfaces for the Measurement Modes (Page 185)
168
u
-3
f ± absolute error
min
10 s
1 s
0.1 s
0.01 s
High limit f
f +1 to 500,000,000 Hz*10
u
0.1 Hz ± 0.001 Hz
1 Hz ± 0.001 Hz
10 Hz ± 0.002 Hz
100 Hz ± 0.013 Hz
Operating Instructions, 02/2007, A5E00124867-05
o
-3
f ± absolute error
max
500 000 Hz ± 90 Hz
500 000 Hz ± 55 Hz
500 000 Hz ± 52 Hz
500 000 Hz ± 63 Hz
Technological Functions