Proline Prowirl 73 Description of device functions
Endress+Hauser 133
ON-VALUE Prerequisite
The function is only available if a limit value was selected in the ASSIGN STATUS
function (ä 132).
Description
Use this function to assign a value to the switch-on point (status output pulls up). The
value can be greater or less than the switch-off point. Only positive values are permitted
(exception: LIMIT TEMPERATURE).
The appropriate unit is taken from the SYSTEM UNITS (ä 102) or MEASURING
VALUES (VELOCITY) group.
User input
5-digit floating-point number [unit]
Factory setting
Depends on the option selected in the ASSIGN STATUS function.
– If LIMIT VOLUME FLOW was selected: see table ä 180
– If LIMIT TEMPERATURE was selected: 180 °C
(converted to the selected UNIT TEMPERATURE)
– If LIMIT MASS FLOW was selected: 10 kg/h
(converted to the selected UNIT MASS FLOW)
– If LIMIT CORRECTED VOLUME FLOW was selected: 10 Nm³/h
(converted to the selected UNIT CORRECTED VOLUME FLOW)
– If LIMIT HEAT FLOW was selected: 10 kW
(converted to the selected UNIT HEAT FLOW)
– If LIMIT TOTALIZER 1 was selected: 0
(converted to the selected UNIT TOTALIZER 1)
– If LIMIT TOTALIZER 2 was selected: 0
(converted to the selected UNIT TOTALIZER 2)
– If LIMIT CALCULATED SATURATED STEAM PRESSURE was selected: 10 bar a
(converted to the selected UNIT PRESSURE)
– If LIMIT VELOCITY was selected: 10 m/s
(converted to the selected unit of VELOCITY)
– If LIMIT TEMPERATURE (EXTERNAL) was selected: 180 °C
(converted to the selected UNIT TEMPERATURE)
– If LIMIT PRESSURE (EXTERNAL) was selected: 10 bar a
(converted to the selected UNIT PRESSURE)
– If LIMIT DENSITY (EXTERNAL) was selected: 8 kg/m
3
(converted to the selected UNIT DENSITY)
Function description, PULSE, FREQUENCY, STATUS group
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