
11.4.6.2 Completing the test...................................................................................................... 97
11.4.7 Thermal overload protection, one time constant, Celsius/Fahrenheit LCPTTR/LFPTTR..97
11.4.7.1 Measuring the operate and time limit of set values......................................................97
11.4.7.2 Completing the test...................................................................................................... 98
11.4.8 Thermal overload protection, two time constants TRPTTR ..............................................98
11.4.8.1 Checking operate and reset values..............................................................................98
11.4.8.2 Completing the test...................................................................................................... 99
11.4.9 Breaker failure protection, phase segregated activation and output CCRBRF ................ 99
11.4.9.1 Function revision history.............................................................................................. 99
11.4.9.2 Checking the phase current operate value, IP> ..........................................................99
11.4.9.3 Checking the residual (earth fault) current operate value IN> set below IP> ............100
11.4.9.4 Checking the re-trip and back-up times..................................................................... 100
11.4.9.5 Verifying the re-trip mode........................................................................................... 100
11.4.9.6 Verifying the back-up trip mode .................................................................................101
11.4.9.7 Verifying instantaneous back-up trip at CB faulty condition....................................... 101
11.4.9.8 Verifying the case FunctionMode = CB Pos...............................................................101
11.4.9.9 Verifying the case RetripMode = Contact...................................................................102
11.4.9.10 Verifying the caseFunctionMode = Current or CB Pos...............................................102
11.4.9.11 Verifying the external start signal has timed out.........................................................103
11.4.9.12 Verifying that backup signal is released when STALARM is reset............................. 103
11.4.9.13 Test of FollowStart&Mode behaviour......................................................................... 103
11.4.9.14 Test of FollowStart behaviour.....................................................................................103
11.4.9.15 Completing the test.................................................................................................... 103
11.4.10 Stub protection STBPTOC.............................................................................................. 104
11.4.10.1 Function revision history............................................................................................ 104
11.4.10.2 Measuring the operate limit of set values...................................................................104
11.4.10.3 Completing the test.................................................................................................... 104
11.4.11 Overcurrent protection with binary release BRPTOC......................................................105
11.4.11.1 Function revision history............................................................................................ 105
11.4.11.2 Measuring the operate limit of set values...................................................................105
11.4.11.3 Completing the test.................................................................................................... 106
11.4.12 Pole discordance protection CCPDSC............................................................................106
11.4.12.1 Verifying the settings.................................................................................................. 106
11.4.12.2 Completing the test.................................................................................................... 106
11.4.13 Directional underpower protection GUPPDUP ...............................................................107
11.4.13.1 Verifying the settings.................................................................................................. 107
11.4.13.2 Completing the test.................................................................................................... 108
11.4.14 Directional overpower protection GOPPDOP .................................................................108
11.4.14.1 Verifying the settings.................................................................................................. 108
11.4.14.2 Completing the test.................................................................................................... 109
11.4.15 Broken conductor check BRCPTOC .............................................................................. 109
11.4.15.1 Function revision history............................................................................................ 109
11.4.15.2 Measuring the operate and time limit of set values....................................................109
11.4.15.3 Completing the test.................................................................................................... 110
11.4.16 Capacitor bank protection CBPGAPC.............................................................................110
11.4.16.1 Verifying the settings and operation of the function....................................................110
Table of contents 1MRK 511 403-UEN Rev. K
4Bay control REC670
Commissioning manual
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