10.8.2.2 Enable forcing using TESTMODE function block GUID-DD17B7D6-516F-4561-9D30-906B968EAFE0 v1• Use the TESTMODE function block, appropriately configured in PCM600/ACT.It may be convenient to control the input on mentioned component from, forexample, an LHMI function key or similar during commissioning to quickly andeasily enter IED test mode.10.8.3 How to change binary input/output signals using forcingGUID-7DF9FAF1-68B1-49AF-9DE4-2A8D6F6FAEFE v1Once the IED is in IED test mode, the LHMI/PCM600 menus can be used tocontrol input/output signals freely.10.8.3.1 Forcing by using LHMI GUID-D885671F-79E5-4B75-8777-B59E44F6FCFC v1Editing a signal value directly GUID-E0C115BE-3AD1-48C7-BA2D-29857CD3D3ED v1• Edit the input/output value directly to select the desired logical level, by doingfollowing:1. Select the value line of the desired signal, see figure 21.2. Press the Enter key to edit the value.IEC15000021 V1 EN-USFigure 21: Value line of the desired signal3. Use the up/down arrows on the LHMI to change the signal value or theappropriate menu in PCM600.The status of the signal changes automatically to Forced (i.e. there is noneed to set the status to Forced manually).Section 10 1MRK 505 378-UEN ATesting IED operation96 Line differential protection RED670 2.2 IECCommissioning manual
