Siemens SIMATIC ET 200S Operating Instructions Manual page 173

Limit-Value Monitoring
The following value ranges are permitted for limit-value monitoring:
Encoder type
5-V encoders
Possible Measuring Ranges with Error Indication
Frequency f
Function of the Digital Input
For the "Function DI" parameter, select one of the following functions for the digital input:
● Input
● HW gate (see section "Gate Functions in Measurement Modes (Page 185)")
Technological Functions
Operating Instructions, 06/2010, A5E00124867-07
Low limit f
0 to 499,999,999 × 10
0.1 Hz
1 Hz
10 Hz
100 Hz
1 000 Hz
10 000 Hz
100 000 Hz
500 000 Hz
High limit f
u
Hz f
-3
Absolute error
1Count5V
3.7 Measurement Modes
o
+1 to 500,000,000 × 10
-3
u
±0.001 Hz
±0.001 Hz
±0.003 Hz
±0.02 Hz
±0.18 Hz
±1.8 Hz
±18 Hz
±90 Hz
Hz
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