Siemens SITRANS L Pointek ULS200 Manuale di istruzioni per l'uso - Pagina 24
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5.4.9
Fail-safe mode
In the event that a loss of echo condition exceeds the fail-safe timer (speed of response
variable), ? appears in the display; and if a relay is assigned to LOE (alarm function option),
it is engaged. This function must be used with the Output function (Page 17).
Fail-safe
1
2
3*
*Factory setting
5.4.10
Fail-safe timer
The fail-safe timer allows the user to vary the waiting period from the time of a loss of echo
or operating fault condition begins, until the fail-safe default is effected. The waiting period is
adjustable from 1 to 15 minutes, in 1 minute increments.
5.4.11
Units
The units of the measurement reading can be selected as follows:
● 1 = metres, m (Factory setting)
● 2 = feet, ft
The selected units are also applicable to the Blanking and Relay adjustments.
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Mode
High and high-
high
High
On
Low
Off
Hold
Hold
Function
Low and low-low
Off
On
Hold
Operating Instructions, 01/2019, A5E32268616-AB
Reading
Hold
Hold
Hold
Pointek ULS200