Table of contents
1 Security information.............................................................................................................................. 7
2 Preface ................................................................................................................................................... 9
3 Product overview................................................................................................................................. 11
3.1 I/O module......................................................................................................................... 11
3.2 Accessories........................................................................................................................ 13
3.3 Terminal blocks.................................................................................................................. 13
4 Connection........................................................................................................................................... 15
4.1 Terminal assignment.......................................................................................................... 15
4.2 Sample connection scheme for sensors .............................................................................. 17
4.3 Schematic circuit diagram .................................................................................................. 18
5 Parameters........................................................................................................................................... 21
5.1 Conguration options ........................................................................................................ 21
5.2 Parameter types................................................................................................................. 21
5.3 Module/channel parameters............................................................................................... 22
5.4 Explanation of the module/channel parameters.................................................................. 24
5.4.1 Diagnostics, Missing supply voltage L+ ............................................................................... 24
5.4.2 IO redundancy ................................................................................................................... 24
5.4.3 Potential group .................................................................................................................. 25
5.4.4 Measurement type/measuring range.................................................................................. 25
5.4.5 Interference frequency suppression.................................................................................... 26
5.4.6 Smoothing......................................................................................................................... 26
5.4.7 Number of HART repetitions............................................................................................... 27
5.4.8 Failure monitoring according to NE43 ................................................................................ 27
5.4.9 Diagnostics HART............................................................................................................... 28
5.4.10 Diagnostics overow.......................................................................................................... 28
5.4.11 Diagnostics underow ....................................................................................................... 28
5.4.12 Diagnostics, Wire break...................................................................................................... 29
5.4.13 Diagnostics encoder supply................................................................................................ 29
5.4.14 Hardware interrupt 1 / 2..................................................................................................... 29
5.4.15 High limit 1/2..................................................................................................................... 29
5.4.16 Low limit 1 / 2.................................................................................................................... 29
5.5 HART mapping parameters................................................................................................. 30
6 Displays and interrupts........................................................................................................................ 31
6.1 Status and error displays .................................................................................................... 31
6.2 LEDs .................................................................................................................................. 32
6.2.1 DIAG LED ........................................................................................................................... 32
6.2.2 MT LED.............................................................................................................................. 33
AI 4xI 2-/4-wire HART ISOL HA
Equipment Manual, 07/2022, A5E50101523-AB 3