When
P1 and P2 are low the output is 4mA regardless of the CH1 and
CH2 input values.- When P1 and P2 are high the output is 20mA regardless of the CH1 and CH2 input values.
- When P1 is high and P2 is low the output follows the potentiometer input on CH1.
- When P1 is low and P2 is high the output follows the mA process input on CH2. If the process input goes below 4mA the output will also go below 4mA If the process input goes above 20mA the output will also go above 20mA
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uap1075a.pdf = printable copy of application. |