Conversion Time; Fig. 137 Filter Characteristic - Beckhoff EL3692 Documentation

2 channel resistance measurement terminal
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Commissioning
Fig. 137: Filter characteristic
5.5.9

Conversion time

The conversion time per channel depends on the selected filter setting and the set delay time (CoE
0x80n0:31) [} 136]. It applies from the start of the measurement (automatic or single-shot mode) and is
calculated as follows:
T
=1 / f
+ T
conversion
filter
delay_time
Note: in general, the EL3692 terminal operates in a two channel alternating mode, thus the conversion time
doubles.
Filter setting
2.5 Hz
5 Hz
10 Hz (default)
15 Hz
25 Hz
30 Hz
50 Hz
60 Hz
100 Hz
Table 2: Conversion times depending on filter settings
The specified values correspond to the approximate update time of the process image, if the field bus cycle
time is smaller than or equal to the conversion time.
The ToggleBit TxPDO toggle can be used for verification.
110
Conversion time after filtering
400 ms
200 ms
100 ms
66 ms
40 ms
33 ms
20 ms
17 ms
10 ms
Version: 2.1
EL3692

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