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Enable forcing by using LHMI................................................ 75
Enable forcing using TESTMODE function block...................76
How to change binary input/output signals using forcing............ 76
Forcing by using LHMI........................................................... 76
Forcing by using PCM600...................................................... 78
How to undo forcing changes and return the IED to normal
operation......................................................................................80
Section 10 Testing functionality by secondary injection...................83
Testing disturbance report................................................................83
Introduction..................................................................................83
Disturbance report settings..........................................................83
Disturbance recorder (DR).......................................................... 83
Event recorder (ER) and Event list (EL)...................................... 84
High impedance differential protection HZPDIF ......................... 85
Verifying the settings.............................................................. 85
Completing the test................................................................ 86
Current protection.............................................................................86
Instantaneous phase overcurrent protection 3-phase output
PHPIOC ......................................................................................86
Measuring the operate limit of set values...............................86
Completing the test................................................................ 87
Four step phase overcurrent protection 3-phase output
OC4PTOC................................................................................... 87
Verifying the settings.............................................................. 87
Completing the test................................................................ 88
Instantaneous residual overcurrent protection EFPIOC .............88
Four step residual overcurrent protection, (Zero sequence or
negative sequence directionality) EF4PTOC ..............................89
Four step directional earth fault protection............................. 89
Four step non-directional earth fault protection......................90
Completing the test................................................................ 90
Four step negative sequence overcurrent protection
NS4PTOC ...................................................................................90
Completing the test................................................................ 91
Sensitive directional residual overcurrent and power
protection SDEPSDE ..................................................................91
Table of contents
Bay control REC670 2.1 IEC
3
Commissioning manual