Table of Contents
4
EDS309x_D00012_03_M_XXEN/11.2014
4.4.2 Response characteristics for main circuits in AC systems ....................................... 24
4.4.3 Response characteristics for main circuits in DC systems ....................................... 24
4.4.4 Response characteristics for control circuits in AC systems ................................... 25
4.4.5 Response characteristics for control circuits in DC systems .................................. 25
5. Connecting the locating current injector ....................................................... 27
5.1 Disconnecting insulation monitoring device .............................................................. 27
5.2 Locating current injector in an electrically isolated IT system .............................. 27
5.3 Connection to a live IT system .......................................................................................... 28
5.4 Connection to a PV system ................................................................................................ 29
6. Operation ............................................................................................................... 31
6.1 Short description of insulation fault location (EDS mode) ..................................... 31
6.1.1 Commissioning the PGH18… for locating current injection ................................. 31
6.1.2 Insulation fault location using EDS195P ....................................................................... 31
6.2 Detailed description of insulation fault location ........................................................ 31
6.3 Description of a residual current measurement ......................................................... 31
6.4 Displays and controls on the PGH18… ......................................................................... 32
6.5 Displays and controls on the EDS195P .......................................................................... 33
6.6 Operating the EDS195P ....................................................................................................... 34
6.6.1 Switching on and off the device ...................................................................................... 34
6.6.2 Changing the measuring clamp ....................................................................................... 35
6.6.3 Improved legibility due to display lighting .................................................................. 35
6.6.4 Changing between insulation fault location IΔL and
residual current measurement IΔn operating modes .............................................. 35
6.6.5 Quickly checking the response values for IΔL and IΔn ............................................ 35
6.6.6 Checking Info menu ............................................................................................................. 35
6.6.7 Significance of the display elements .............................................................................. 36
6.7 Standard displays on the EDS195P ................................................................................. 36
6.7.1 EDS measurement (IΔL) ....................................................................................................... 36
6.7.1.1 Standard display if there is no cable to be measured in the clamp ............. 36
6.7.1.2 Standard display for EDS measurement (IΔL) with cable in the clamp ....... 37
6.7.1.3 Standard display for measuring faults or pauses between changes in polarity
of the measuring pulse ................................................................................................. 37
6.7.2 RCM measurement (IΔn) ..................................................................................................... 37
6.7.2.1 Standard display for RCM measurement (IΔn) with cable in the clamp ..... 37
6.8 Alarms during EDS measurement or RCM measurement ....................................... 37
6.9 Indication of device and measuring errors .................................................................. 38
6.10 Factory settings EDS195P (state as supplied) .............................................................. 38
6.11 Menu structure ....................................................................................................................... 39
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