Hi,
I am using an Analog Input Module - 1794/IE8
My Analog Input Module is configured for 0-20mA
Unscaled Max = 31208
Unscaled Min = 6241.6
Engineering Unit Max = 100
Engineering Unit Min = 0
I have ST scaling code which works only for positive values.
Scaled value := Raw value * 1.25/31208 * 100 - (0.25 * 100);
The question is how can I get minus values? For example if I want use it for measuring negative temperature.
Unscaled Max = 31208
Unscaled Min = 6241.6
Engineering Unit Max = 100
Engineering Unit Min = -50
Thanks in advance
I am using an Analog Input Module - 1794/IE8
My Analog Input Module is configured for 0-20mA
Unscaled Max = 31208
Unscaled Min = 6241.6
Engineering Unit Max = 100
Engineering Unit Min = 0
I have ST scaling code which works only for positive values.
Scaled value := Raw value * 1.25/31208 * 100 - (0.25 * 100);
The question is how can I get minus values? For example if I want use it for measuring negative temperature.
Unscaled Max = 31208
Unscaled Min = 6241.6
Engineering Unit Max = 100
Engineering Unit Min = -50
Thanks in advance