Siemens SIMATIC ET 200S Operating Instructions Manual page 178

1Count5V/500kHz
3.7 Measurement Modes
Limit-Value Monitoring
The following value ranges are permitted for limit-value monitoring:
1 μs resolution
Low limit T
0 to 119 999 999 µs
1/16 µs resolution
Low limit T
0 to 1 919 999 999 µs
Possible Measuring Ranges with Error Indication
1 µs resolution
Integration time
1/16 µs resolution
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)
178
u
u
T ± absolute error
min
100 s
10 s
1 s
0.1 s
0.01 s
T ± absolute error
min
100 s
10 s
1 s
0.1 s
0.01 s
High limit T
T +1 to 120 000 000 µs
u
High limit T
T +1 to 1 920 000 000 µs
u
1 µs* (10 ± 0)
1 µs* (10 ± 0)
1 µs* (10 ± 0)
1 µs* (10 ± 0)
1 µs* (10 ± 0)
1/16 µs* (160 ± 0)
1/16 µs* (160 ± 0)
1/16 µs* (160 ± 0)
1/16 µs* (160 ± 0)
1/16 µs* (160 ± 0)
Operating Instructions, 02/2007, A5E00124867-05
o
o
T ± absolute error
1 µs* (100 000 000 ± 10 000)
1 µs* (10 000 000 ± 1 000)
1 µs* (1 000 000 ± 100)
1 µs* (100 000 ± 10)
1 µs* (10 000 ± 1)
T ± absolute error
1/16 µs* (1 600 000 000 ± 160 000)
1/16 µs* (160 000 000 ± 16 000)
1/16 µs* (16 000 000 ± 1 600)
1/16 µs* (1 600 000 ± 160)
1/16 µs* (160 000 ± 16)
Technological Functions