
Table of contents
1 Security information.............................................................................................................................. 5
2 Preface ................................................................................................................................................... 7
3 2D Matrix code (QR code / EAN code).................................................................................................... 9
4 Product overview................................................................................................................................. 11
4.1 I/O module......................................................................................................................... 11
4.2 Accessories........................................................................................................................ 12
4.3 Terminal blocks.................................................................................................................. 13
5 Terminal ............................................................................................................................................... 15
5.1 Terminal assignment.......................................................................................................... 15
5.2 Sample connection scheme for a digital 2-wire sensor ........................................................ 17
5.3 Schematic circuit diagram .................................................................................................. 17
6 Parameters........................................................................................................................................... 19
6.1 Parameter types................................................................................................................. 19
6.2 Module/channel parameters............................................................................................... 19
6.3 Parameter reassignment .................................................................................................... 20
6.4 Explanation of the module/channel parameters.................................................................. 20
6.4.1 Channel activated .............................................................................................................. 20
6.4.2 Diagnostics, Missing supply voltage L+ ............................................................................... 21
6.4.3 Diagnostics, Wire break...................................................................................................... 21
6.4.4 Wire-break check ............................................................................................................... 21
6.4.5 Input delay ........................................................................................................................ 21
6.4.6 Hardware interrupts positive edge...................................................................................... 21
6.4.7 Hardware interrupts negative edge..................................................................................... 21
6.4.8 Potential group .................................................................................................................. 22
7 Displays and interrupts........................................................................................................................ 23
7.1 Status and error displays .................................................................................................... 23
7.2 LEDs .................................................................................................................................. 24
7.2.1 DIAG LED ........................................................................................................................... 24
7.2.2 MT LED.............................................................................................................................. 24
7.2.3 Channel status / fault LEDs ................................................................................................. 25
7.2.4 PWR LED ............................................................................................................................ 25
7.3 Interrupts .......................................................................................................................... 25
8 Technical specications ....................................................................................................................... 27
A Parameters, diagnostics messages and address space ....................................................................... 33
A.1 Parameter assignment ....................................................................................................... 33
DI 8x24...125VDC HA
Equipment Manual, 10/2021, A5E39288633-AD 3