MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
8540780 • 10/07/2020 • Rev.38 151
Measurement unit: Scale and type of input
You must specify the unit (e.g. Celsius degree, Bar, kg, m/s) and the scale of the
measurement. The MA2/MA4 module will calculate the relationship between these
values and the corresponding measured current or voltage values (scaling) based
on the condition that the sensor has a linear characteristic.
Scale, minimum value: It is the lowest value in units corresponding to the minimum
output value of the sensor (4 mA for a 4÷20 mA sensor, 0 mA for a 0÷20 mA sensor
and 0 V for a 0÷10 Vdc sensor).
Scale, maximum value: it is the highest value in units corresponding to the maximum
output value of the sensor (20 mA for a 0/4÷20 mA sensor and 10 Vdc for a
0÷10 Vdc sensor).
MSD assumes that the sensors have a linear transfer function and, as a consequence,
automatically computes the slope and the offset of the transfer function on the basis
of the values entered by the user.
Do not use a configuration of the function block as 0÷20 mA or 0÷10 V input for safety purposes.
If you use a configuration of the function block as 0÷20 mA or 0÷10 V input for non safety
purposes, implement all measures required to avoid unintended equipment operation and any
other hazard.
Input type: 4÷20mA -> no selection
Input type: 0÷20mA -> 0÷20mA Input selected
Input type: 0÷10V -> 0÷10V Input selected
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