TECHNICAL DESCRIPTION
ULTRAFLOW
®
54 and 34
5512-385 GB/02.2014/Rev. H1
50
Output when using Pulse Transmitter/Pulse Divider with galvanically separated output module (Y=3)
Type
Open collector. Can be connected as three-wire via the built-in pull-up resistance of 39.2 k
Ω.
Module Y=3
OC and OD
Max input voltage 6 V
Max input current
0,1 mA
ON condition
U
≤
0,3 V @ 0,1 mA
OFF condition
R
≥
6 M
Ω
Table 25
Diagram 17. Block diagram for galvanically separated output module (Y=3).
9.4
Start-up
16 seconds must elapse from start-up to calibration in order to allow a true reading to be reached.
9.5
Measuring flow
To obtain correct flow measurement, the duration of calibration must be minimum 2 minutes.
9.6
Evacuation
ULTRAFLOW
®
must NOT be evacuated (subjected to vacuum).