IAIBICINVAVBVCVNIAIBICVAIN (I4,I5)TRIP ATRIP BTRIP CTest equipmentIEDANSI09000652-1-en.vsdVBVCVNVN (U4,U5)IEC 61850ANSI09000652 V1 EN-USFigure 39: Connection example of the test equipment to the IED when testequipment is connected to the transformer input module12.5 Releasing the function to be tested M11413-2 v7Release or unblock the function to be tested. This is done to ensure that only thefunction or the chain of functions to be tested are in operation and that other functionsare prevented from operating. Release the tested function(s) by setting thecorresponding Blocked parameter under Function test modes to No in the local HMI.When testing a function in this blocking feature, remember that not only the actualfunction must be activated, but the whole sequence of interconnected functions (frommeasuring inputs to binary output contacts), including logic must be activated. Beforestarting a new test mode session, scroll through every function to ensure that only thefunction to be tested (and the interconnected ones) have the parameters Blocked andeventually EvDisable set to No and Yes respectively. Remember that a function is alsoblocked if the BLOCK input signal on the corresponding function block is active,which depends on the configuration. Ensure that the logical status of the BLOCK inputsignal is equal to 0 for the function to be tested. Event function blocks can also beindividually blocked to ensure that no events are reported to a remote station during thetest. This is done by setting the parameter EvDisable to Yes.Section 12 1MRK 502 073-UUS ATesting IED operation128 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062Commissioning manual
