Failsafe (P070 To P072) - Siemens airanger DPL PLUS Instruction Manual

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P062 Offset Reading
Adds the specified value to the level reading, usually to reference the reading to sea level
or another datum level.
Primary Index
Values
Related
The operation of the device is not affected by the Offset Reading. This value is used for
display purposes only. All control measurements are still referenced to Empty.
vessel
sea level

Failsafe (P070 to P072)

As preset, in the event of a measurement or technical difficulty, the AiRanger DPL Plus
holds the Reading, Bar Graph, mA outputs, and relays at their last known values.
To operate process control equipment under these conditions, alter the following
parameters as required.
P070 Failsafe Timer
The time for invalid measurements to elapse before Failsafe State activates.
Primary Index
Values
Altered by
Related
In the RUN mode, when a difficulty first occurs, the Reading, Bar Graph, relay status, and
mA outputs are held at last known values and the Failsafe Timer is activated.
Page 38
Level
Range: -999 to 9999
Preset: 0.000
P920 Reading Measurement
vessel
display offset (P062)
Transducer
Range: 0.0 to 9999
Preset 10.00 minutes
P003 Maximum Process Speed
P129 Relay Failsafe
AiRanger DPL Plus – INSTRUCTION MANUAL
7ML19981BD02

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