is initiated by any protection function, either integrated or external. Thefunctional TRIP output signal must always appear.6.10.1.2 Circuit breaker lockoutThe following tests should be carried out when the built-in lockout function is used inaddition to possible other tests, which depends on the complete configuration of anIED.1. Check that AutoLock and TripLockout are both set to Off.2. Initiate a three-phase fault.The functional output TRIP should be active at each fault. The outputCLLKOUT must not be activated.3. Activate the automatic lockout function, set AutoLock = On and repeat.Besides the TRIP outputs, CLLKOUT should be set.4. Reset the lockout signal by activating the reset lockout (RSTLKOUT) signal.5. Activate the TRIP signal lockout function, set TripLockout = On and repeat.The output TRIP must be active and stay active after each fault. CLLKOUT mustbe activated.6. Reset the lockout.All functional outputs should reset.7. Deactivate the TRIP signal lockout function, set TripLockout = Off and theautomatic lockout function, set AutoLock = Off if not used.6.10.1.3 Completing the testContinue to test another function or end the testing by setting the parameter TestModeto Off under Main menu/Tests/IED test mode/TESTMODE:1. If another functionis tested, then set the parameter Blocked to No under Main menu/Tests/Function testmodes/Logic/SMPPTRC(94,1->0)/SMPPTRC:X for the function, or for eachindividual function in a chain, to be tested next. Remember to set the parameterBlocked to Yes, for each individual function that has been tested.6.11 Testing monitoring functions6.11.1 Event counter CNTGGIOThe event counter function CNTGGIO can be tested by connecting a binary input tothe counter under test and applying pulses to the counter. The speed of pulses must notexceed 10 per second. Normally the counter will be tested in connection with tests onthe function that the counter is connected to, such as trip logic. When configured, testit together with the function that operates it. Trig the function and check that thecounter result corresponds with the number of operations.Section 6 1MRK 502 049-UEN ATesting functionality108Commissioning manual