
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 Pin assignment .................................................................................................................. 15
5.2 Example of encoder type connection diagram for input signal DI0 ...................................... 16
5.3 Schematic circuit diagram .................................................................................................. 16
6 Parameters........................................................................................................................................... 19
6.1 Parameter types................................................................................................................. 19
6.2 Module/channel parameters............................................................................................... 19
6.3 Parameter reassignment .................................................................................................... 21
6.4 Explanation of the module/channel parameters.................................................................. 21
6.4.1 Diagnostics, Missing supply voltage L+ ............................................................................... 21
6.4.2 IO redundancy ................................................................................................................... 21
6.4.3 Diagnostics: short-circuit.................................................................................................... 21
6.4.4 Diagnostics: wire break ...................................................................................................... 22
6.4.5 Diagnostics: change-over contact error............................................................................... 22
6.4.6 Diagnostics: utter error .................................................................................................... 23
6.4.7 Flutter monitoring: Monitoring window.............................................................................. 23
6.4.8 Flutter monitoring: Number of signal changes.................................................................... 23
6.4.9 Hardware interrupts........................................................................................................... 23
6.4.10 Encoder type ..................................................................................................................... 23
6.4.11 Pulse stretching ................................................................................................................. 24
6.4.12 Digital input....................................................................................................................... 26
6.4.13 Potential group .................................................................................................................. 26
6.5 Flutter monitoring ............................................................................................................. 27
6.5.1 Useful information about utter monitoring....................................................................... 27
6.5.2 Enabling utter monitoring................................................................................................ 28
7 Displays and interrupts........................................................................................................................ 31
7.1 Status and error displays of the I/O module DI 16xNAMUR HA............................................. 31
7.2 LEDs .................................................................................................................................. 32
7.2.1 DIAG LED ........................................................................................................................... 32
7.2.2 MT LED.............................................................................................................................. 32
DI 16xNAMUR HA
Equipment Manual, 08/2019, A5E39293880-AD 3