Siemens Simantic ET 200S - Page 165

Analog electronic modules
4.5 Parameters for analog electronic modules
ET 200S
Manual, Edition 10/2005, A5E00514527-01
4-35
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0RGXOHF\FOHV
6WHSUHVSRQVH
Figure 4-4 Smoothing with 4AI I 2WIRE Standard
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1RQHN 
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0RGXOHF\FOHV
6WHSUHVSRQVH
Figure 4-5 Smoothing with 2AI U High Speed, 2AI I 2WIRE High Speed, 2AI I 4WIRE High Speed
Interference frequency suppression
The analog input modules 2AI U High Feature and 2AI I 2/4WIRE High Feature support the
setting of the interference frequency suppression (50 Hz or 60 Hz) at the interface module.
These analog input modules (HIGH FEATURE) also allow the interference frequency
suppression to be disabled; i.e., this setting can be ignored on the interface module. If the
interference suppression is disabled, the conversion and cycle times in these modules are
improved.