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Issue/Rev. 0.2 (12/12)
Page 84
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MN0M023
7 Block OUTPUTS
Device Functions Proline Promass 83
TIME CONSTANT
(4208)
!
Note!
This function is not available unless the FREQUENCY setting was selected in the
OPERATION MODE function (4200).
Use this function to enter a time constant defining how the frequency output signal reacts
to severely fluctuating measured variables, either very quickly (enter a low time constant)
or with damping (enter a high time constant).
User input:
Fixed-point number 0.00...100.00 s
Factory setting:
0.00 s
FAILSAFE MODE
(4209)
!
Note!
This function is not available unless the FREQUENCY setting was selected in the
OPERATION MODE function (4200).
For safety reasons it is advisable to ensure that the frequency output assumes a predefined
state in the event of a fault. The setting you select here affects only the frequency output.
It has no effect on other outputs and the display (e.g. totalizers).
Options:
FALLBACK VALUE
Output is 0 Hz.
FAILSAFE VALUE
Output is the frequency specified in the FAILSAFE VALUE function (4211).
HOLD VALUE
Measured value output is based on the last measured value saved before the error
occurred.
ACTUAL VALUE
Measured value output is based on the current flow measurement. The fault is ignored .
Factory setting:
FALLBACK VALUE
FAILSAFE VALUE
(4211)
!
Note!
This function is not available unless FREQUENCY was selected in the
OPERATION MODE function (4200) and FAILSAFE VALUE was selected
in the FAILSAFE MODE function (4209).
Use this function to define the frequency that the measuring device outputs in the event
of an error.
User input:
max. 5-digit number: 0...12500 Hz
Factory setting:
12500 Hz
Function description
OUTPUTS
o
PULSE/FREQUENCY OUTPUT (1...2)
o
CONFIGURATION (FREQUENCY)
Содержание Proline Promass 83 E
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