Table of Contents
1General .............................................................................................. 3
1.1 Intended Use ........................................................................................................................ 3
1.2 Target Group ........................................................................................................................ 3
1.3 Expert Review ........................................................................................................................ 3
2Safety................................................................................................. 4
2.1 Safety Instructions and Warning Signs .................................................................................... 4
2.2 IMPORTANT SAFETY INSTRUCTIONS................................................................................. 6
2.3 Safety Concept ........................................................................................................................ 7
3Scope of Supply................................................................................ 9
4Assembly......................................................................................... 10
4.1 Overview ...................................................................................................................... 10
4.2 LEDs ...................................................................................................................... 11
4.3 Current Clamp Cable.............................................................................................................. 12
4.4 Test probe cables................................................................................................................... 13
5Commissioning............................................................................... 15
5.1 Hardware ...................................................................................................................... 15
5.2 Software ...................................................................................................................... 15
5.2.1 Software Installation............................................................................................................ 15
5.2.2 Software Update.................................................................................................................. 16
6Working with the IRP 120............................................................... 17
6.1 Starting the IRP 120............................................................................................................... 17
6.2 Self-Test ...................................................................................................................... 19
6.3 Module Internal Resistance Measurement............................................................................. 22
6.3.1 Module Internal Resistance with One Module..................................................................... 24
6.3.2 Module Internal Resistance with Three Module.................................................................. 29
6.4 Measuring Contact Resistance (+)......................................................................................... 34
6.4.1 Contact Resistance (+) with One Module............................................................................ 36
6.4.2 Contact Resistance (+) with Three Modules ....................................................................... 40
6.5 Measuring Contact Resistance (-).......................................................................................... 44
6.5.1 Contact Resistance (-) with One Module............................................................................. 46
6.5.2 Contact Resistance (-) with Three Modules........................................................................ 50
6.6 Displaying Device Data .......................................................................................................... 54
7Troubleshooting.............................................................................. 56
7.1 Introduction ...................................................................................................................... 56
7.2 Error Messages...................................................................................................................... 56
8Maintenance and Care.................................................................... 57
8.1 Visual Check ...................................................................................................................... 57
8.2 Cleaning the Device ............................................................................................................... 57
9Warranty.......................................................................................... 58
9.1 New Devices ...................................................................................................................... 58
9.2 Replacement or Loaned Devices........................................................................................... 58
9.3 In the Event of Damage.......................................................................................................... 58
10 Technical Data ................................................................................ 59
10.1 CAT Overvoltage Categories ................................................................................................. 59
10.2 Operating Data ...................................................................................................................... 60
10.3 Measuring Technology........................................................................................................... 62
10.3.1 Resistance and contact resistance measurement .............................................................. 62
