Sets the logic used to control the output on/off using an external contact (J1 connector). This cannot be set when the output is on.
|Value||NORMal||Turn the output on with a high signal (default)|
|INVerted||Turn the output on with a low signal|
For the setting that is applied when *RST is sent, see Table.
Returns the external control logic setting of the output on/off as character data in response to OUTP:EXT?.