3 - Basic I/O, read/write analog/digital (Applies to UD-Series) Subsections 3.1 - Reading inputs (Applies to UD-Series) 3.2 - Differential analog inputs (Applies to UD-Series) 3.3 - Channel Pinouts (Applies to UD-Series) 3.4 - Setting outputs (Applies to UD-Series)
