Module MK40 Setup Manual
ВШПА.421412.304 И1
Module supply voltage measurement
2
nd
measuring channel can be setup for measurement and monitoring of module and sensors supply voltage,
which power circuits are connected to MK40 Module. It is reasonable to use supply voltage measurement in MK40-
AC-11-S Module design option.
Enabling of the module voltage measurement is set during the module setup (ModeWork parameter). In this
mode 2
nd
channel frequency value is taken as equal to zero, all set-points are disabled.
Calculation of the module supply voltage is implemented by sensor current calculation algorithm (voltage value
is available in Current parameter). Voltage calculated value can be compared with sensor test set-points with alarm
generation at logic outputs.
At module supply voltage measurement in 2
nd
measuring channel, bridges on the module board must be set in
positions as follows (position of S4, S8, S5 is of no concern):
S3 – 1-2, 1-5mA current operating mode; S13 – OFF; S9 – ON
2
nd
measuring channel calibration is carried out at 1-5mA range.
Table 4. 2
nd
channel recommended parameters for module supply voltage measurement
Parameter Label Value Notes
Sensor current range lower level
RangeCurrMin
8,27
Sensor current range higher level
RangeCurrMax
41,36
Sensor lower limit test enabling
EnaValidMin
1
Sensor higher limit test enabling
EnaValidMax
1
Sensor current lower tolerance limit
CurrValidMin
20
Sensor current upper tolerance limit
CurrValidMax
28
Sensor test hysteresis
CurrValidHist
0,5
Standard output current range lower level
CurrOutMin
0
Standard output current range higher level
CurrOutMax
0
ADC value of sensor current calibration lower level
AdcInMin
1
ADC value of sensor current calibration higher level
AdcInMax
1
DAC value of standard output calibration lower level
DacOutMin
0
DAC value of standard output calibration higher level
DacOutMax
0
Measuring channel enabling
Enabled
1 volt
Measuring channel operating mode
ModeWork
1
Test signal connection enabling
TestEnabled
0
“STOP” alarm test enabling
StopEnabled
0
Generate synchronizing pulses
PulseEnabled
0
Measured parameter lower range
RangeParamMin
0
Measured parameter higher range
RangeParamMax
0
Minimum measured rotor speed, rpm
FrequencyMin
1
Pulse count per rotor revolution
Tooth
1
Data display format
FormatOut
0 rpm
Set-points test enabling in “STOP” mode
TestPointStop
0
Sensor current range lower level
TestPointTime
0 0,5с
Sensor current range higher level
TestPointMode_1
0
Sensor lower limit test enabling
TestPointMode_2
0
Sensor higher limit test enabling
TestPointMode_3
0
Sensor current lower tolerance limit
TestPointData_1
0
Sensor current upper tolerance limit
TestPointData_2
0
Sensor test hysteresis
TestPointData_3
0
Standard output current range lower level
TestPointHist
0
Note 1. Determined during calibration of measuring channel input
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