IN4

is used to read the state of the hardware input on Extended (additional) user I/O connector C9 Pin B3.

Firmware Versions: V2.1.0 and later
Type:  switch (R) Range: 0 (off), 1 (on)
Units: n/a Default:  n/a
Opmodes:  all Drive Status:  en/dis     EEPROM:  n/a