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[P08] mA Fail-safe Value
When the instrument is installed incorrectly or the transducer is broken, it
can’t be measured continuously. If the ULM-1000C Series fails to receive a
valid echo return from the target, then the mA output can be used to indicate
a fault condition (Loss of Echo). This option determines the mA output value
which will indicates such a condition.
Option
1
3.8 mA: Fault condition (LOE) indicated by 3.8mA
2
Hold: The previous measured value outputs
3 22mA: Fault condition (LOE) indicated by 22mA % (Percentage)
[P09] mA Fail-safe Time
In the event of a fail-safe condition occurring (LOE) the fail safe timer
determines the time before the mA output indicates a fault condition (LOE).
For a while the instrument keep measuring by detecting the signal but when
it fault condition stays for fail-safe time, it regards it is an error. The time
range is between 20 second and 900 second. The pre-set is 300 second.
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