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Device Functions Proline Promag 55
7 Block OUTPUTS
Hauser
71
VALUE-f HIGH
(continued)
Parameter setting example 1:
1.
VALUE-f LOW (4204) = not equal to zero flow (e.g. –5 m
3
/h)
VALUE-f HIGH (4205) = not equal to zero flow (e.g. 10 m
3
/h) or
2.
VALUE-f LOW (4204) = not equal to zero flow (e.g. 100 m
3
/h)
VALUE-f HIGH (4205) = not equal to zero flow (e.g. –40 m
3
/h)
and
MEASURING MODE (4004) = STANDARD
When you enter the values for VALUE-f LOW and VALUE-f HIGH the working range of
the measuring device is defined. If the effective flow drops below or exceeds this working
range (see
①
), a fault or notice message is generated (#355-358, frequency area) and the
frequency output responds in accordance with the parameter settings in the function
FAILSAFE MODE (4209).
A0001276
Parameter setting example 2:
1.
VALUE-f LOW (4204) = not equal to zero flow s (e.g. 0 m
3
/h)
VALUE-f HIGH (4205) = not equal to zero flow (e.g. 10 m
3
/h) or
2.
VALUE-f LOW (4204) = not equal to zero flow (e.g. 100 m
3
/h)
VALUE-f HIGH (4205) = not equal to zero flow s (e.g. 0 m
3
/h)
and
MEASURING MODE (4004) = STANDARD
When you enter the values for VALUE-f LOW and VALUE-f HIGH the working range of
the measuring device is defined. In doing so, one of the two values is parameterized as
zero flow (e.g. 0 m
3
/h).
If the effective flow drops below or exceeds the value parameterized as the zero flow, no
fault/notice message is generated and the frequency output retains its value.
If the effective flow drops below or exceeds the other value, a fault/notice message is
generated (#355-358, frequency area) and the frequency output responds in accordance
with the parameters set in the function FAILSAFE MODE (4209).
A0001277
Deliberately only one flow direction is output with this setting and flow values in the
other flow direction are suppressed.
Parameter setting example 3:
MEASURING MODE (4206) = SYMMETRY
The frequency output signal is independent of the direction of flow (absolute amount of
the measured variable). The VALUE-f LOW
➀
and VALUE-f HIGH
➁
must have the
same sign (+ or -). The "VALUE-f HIGH"
➂
(e.g. backflow) corresponds to the mirrored
VALUE-f HIGH
➁
(e.g. flow).
A0001278
ASSIGN RELAY (4700) = FLOW DIRECTION
With this setting e.g. the flow direction output via a switching contact can be made.
Parameter setting example 4:
MEASURING MODE (4004) = PULSATING FLOW
Function description
OUTPUTS
➞
PULSE/FREQUENCY OUTPUT (1 to 2)
➞
CONFIGURATION (FREQUENCY)
-5
0
0
-40
0
0
125
125
10
100
Hz
Hz
m
m
3
3
/h
/h
➀
➀
➀
➀
0
0
0
0
125
125
10
100
Hz
Hz
m
m
3
3
/h
/h
➀
➀
Q
125
Hz
0
➀
➁
➂
Содержание Proline Promag 55
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