58©Vecow UMBC-1100 User Manual Appendix AAAPPENDIX A : Isolated DIO GuideA.1 Function DescriptionThe UMBC-1000 series offers a 16-bit Non-Isolated DIO(GPIO) 20-pin terminalblock connector, and a watchdog timer.GPIO definition is shown below :Pin No. GPIO Definition Pin No. GPIO Definition1 GPIO 0 11 GPIO 82 GPIO 1 12 GPIO 93 GPIO 2 13 GPIO 104 GPIO 3 14 GPIO 115 GPIO 4 15 GPIO 126 GPIO 5 16 GPIO 137 GPIO 6 17 GPIO 148 GPIO 7 18 GPIO 159 NC 19 NC10 NC 20 NC