Microsensor MFE600H Series, Operation Manual

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Heat working mode:
Only the heat is calculated, which is the default mode of the meter. ‘+’ means heat.
Cooling working mode:
Only the cooling capacity is calculated. ‘-’ means cooling capacity.
Heat and cooling working mode: Both cold and heat tables are calculated and displayed separately.
7.1.2 Heat flow, cold flow unit
The meter heat display unit has: MJ/h, GJ/h, KWh/h, MWh/h.
7.1.3 Temperature difference signal removal
Temperature difference signal removal: When the temperature difference between the inlet and outlet is
lower than this setting, the meter does not calculate the heat and cooling capacity.
7.1.4 Total unit of heat and cooling capacity
The heat meter display is an 11-digit counter, and the maximum display count value is 99999999999.
When it is greater than this number, the total cumulative value can be seen in the menu of setting
cumulative total.
The unit of total cold and heat unit has: MJ, GJ, KWh, MWh.
The total amount of cold and heat equivalent is: 0.0001MJ, 0.001MJ, 0.010MJ, 0.100MJ, 1.000MJ,
0.000 1GJ, 0.001GJ, 0.010GJ, 0.100GJ, 1.000GJ,0.0001KWh, 0.001KWh, 0.010KWh,
0.100KWh, 1.000KWh, 0.0001 MWh, 0.001 MWh, 0.010 MWh, 0.100 MWh, 1.000 MWh.
7.1.5 Reverse measurement prohibited
Electromagnetic flowmeter heat meter with reverse output prohibition function
， When ‘prohibited’, heat
and cold are not calculated, no output, only flow rate is displayed
；
When ‘allowed’, the heat meter is
working normally. In principle, the heat and cooling capacity should not be calculated in the reverse flow.
All the default setti
ngs are ‘prohibited’.
7.2 Output parameters
7.2.1 Current output mode
There are six ways of current output of electromagnetic flowmeter energy meter
：
Flow output, Heat
output, Cooling output, Cold and heat output, Cold and hot state output, Flow direction output.
Flow output: The current is output as a percentage of instantaneous flow, and the percentage position
shows the percentage of flow;
Heat output: The current is output as a percentage of instantaneous heat, and the percentage position
shows the percentage of heat;
Cooling output: The current is output as a percentage of instantaneous cooling, and the percentage
position shows the percentage of cooling;
Cold and heat output: The current is output according to the instantaneous cold or heat percentage, and
the percentage position shows the percentage of cold or heat; Cold and hot state output: Current output
means cooling capacity or heat, 20ma for cooling capacity and 4ma for heating capacity;
Flow direction output: The current output means the flow is forward and reverse, 20ma in the reverse
direction and 4 mA in the forward direction.
7.2.2 Flow, heat and cold capacity range setting
The meter range setting means to determine the upper limit flow value, and the lower limit flow value of
the meter is aut
omatically set to ‘0’. The meter range setting determines the corresponding relationship
between meter percentage display, meter current and frequency output and flow, heat, and cooling
capacity:
Percentage display value of meter =
（
Flow rate measurement value / Meter range
）
* 100 %;
Instrument current output value =
（
Flow rate measurement value / Meter range
）
* 20 mA + 4mA
；
Instrument frequency output value =
（
Flow rate measurement value / Meter range
）
* Frequency full