Datasheet

Contents APCI-3xxx
5
7.3.3 Digital inputs (24 V) .............................................................. 25
7.3.4 Digital outputs (24 V)............................................................26
8 FUNCTIONS OF THE BOARD ................................ 27
8.1 Block diagram................................................................27
8.2 Analog inputs .................................................................27
8.2.1 Overview.............................................................................. 28
8.2.2 Voltage ranges....................................................................28
8.2.3 Analog input switch (differential inputs)................................ 29
8.2.4 Input modes of the analog inputs ....................................... 29
1) Simple mode ........................................................................ 30
2) Scan modes .......................................................................... 30
3) Sequence modes (with DMA).............................................. 33
4) Auto refresh mode................................................................35
8.3 Analog outputs ...............................................................35
8.4 Digital inputs ..................................................................37
8.5 Digital outputs................................................................38
8.6 TTL inputs and outputs ....................................................39
8.7 Watchdog.......................................................................39
8.8 Timer...............................................................................40
8.9 Counter ..........................................................................40
Upward counter...................................................................41
Downward counter..............................................................41
8.10 Setting a digital output ..................................................42
9 STANDARD SOFTWARE ........................................43
10 RETURN OR DISPOSAL ........................................44
10.1 Return .............................................................................44
10.2 Disposal of ADDI-DATA waste equipment.......................45
11 APPENDIX ..........................................................46
11.1 Glossary .........................................................................46
11.2 Index ..............................................................................50