
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 Output disable switch ........................................................................................................ 13
4.4 Pulling the I/O module in runtime....................................................................................... 13
4.5 Terminal blocks.................................................................................................................. 14
5 Terminal ............................................................................................................................................... 15
5.1 Pin assignment .................................................................................................................. 15
5.2 Sample connection scheme for 1-wire connection.............................................................. 16
5.3 Sample connection scheme for 2-wire connection.............................................................. 17
5.4 Schematic circuit diagram .................................................................................................. 17
6 Parameters........................................................................................................................................... 19
6.1 Parameter types................................................................................................................. 19
6.2 Module/channel parameters............................................................................................... 19
6.3 Explanation of the module/channel parameters.................................................................. 20
6.3.1 Diagnostics, Missing supply voltage L+ ............................................................................... 20
6.3.2 IO redundancy ................................................................................................................... 20
6.3.3 Diagnostics short-circuit to L+ ............................................................................................ 21
6.3.4 Diagnostics, Short-circuit to ground.................................................................................... 21
6.3.5 Diagnostics, Wire break...................................................................................................... 21
6.3.6 Wire-break check ............................................................................................................... 21
6.3.7 Channel activated .............................................................................................................. 22
6.3.8 Reaction to CPU STOP......................................................................................................... 22
6.3.9 Substitute value................................................................................................................. 22
6.3.10 Potential group .................................................................................................................. 22
7 Displays and interrupts........................................................................................................................ 25
7.1 Status and error displays .................................................................................................... 25
7.2 LEDs .................................................................................................................................. 26
7.2.1 DIAG LED ........................................................................................................................... 26
7.2.2 MT LED.............................................................................................................................. 26
7.2.3 PWR LED ............................................................................................................................ 27
7.2.4 Channel status / fault LEDs ................................................................................................. 27
7.3 Interrupts .......................................................................................................................... 28
DQ 16x24VDC/0.5A
Equipment Manual, 10/2021, A5E39265993-AD 3