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Multi in

MULTI_IN

Type Function REAL
Input IN_1 REAL (input 1)
IN_2 REAL (input 2)
IN_3 REAL (input 3)
DEFAULT REAL (default value)
IN_MIN REAL (lower limit for inputs)
IN_MAX REAL (upper limit for inputs)
MODE Byte (selection of the operating mode)
Output REAL (output)
MULTI_IN is a sensor interface that accepts up to 3 sensors to check for errors, and depending on the input mode, an output value is calculated.
Regardless of the mode input values that are greater than IN_MAX or less than IN_MIN be ignored. If no calculation is possible as defined by mode, the input Default is used as a output value. Multi_in is used when different sensors measures the same value and high security and reliability is required. A possible application is to measure the outside temperature at various points and the surveillance on cable or sensor failure.

multi_in

Mode Function
0 MULTI_in = average of the inputs in_1.. 3
1 MULTI_in = input in_1
2 MULTI_in = input in_2
3 MULTI_in = input in_3
4 MULTI_in = Default Input
5 MULTI_in = smallest value of the inputs in_1.. 3
6 MULTI_in = largest value of the inputs in_1 .. 3
7 MULTI_in = mean value of the inputs in_1..3
>7 MULTI_in = 0