ABB REL 551 2.3 Series Installation And Comissioning Manual page 6

Pulse counter logic (PC) .................................................................. 113
Setting lockout (HMI) ....................................................................... 114
Verifying the settings .................................................................. 114
Completing the test..................................................................... 114
Setting group selector (GRP)........................................................... 115
Verifying the settings .................................................................. 115
Single command (CD)...................................................................... 116
Thermal overload protection (THOL) ............................................... 117
Measuring the operate and time limit of set values .................... 117
Time delayed overcurrent protection (TOC) .................................... 119
Measuring the operate limit of set values ................................... 119
Completing the test..................................................................... 120
Trip logic (TR) .................................................................................. 121
3ph operating mode.................................................................... 121
1ph/3ph operating mode............................................................. 121
1ph/2ph/3ph operating mode...................................................... 122
Completing the test..................................................................... 123
Two step time delayed phase overcurrent protection (TOC2) ......... 124
Measuring the operate and time limit for set values ................... 124
Completing the test..................................................................... 125
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Overview .......................................................................................... 128
Testing the interaction of the distance protection ............................ 129
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Overview .......................................................................................... 132
Testing the interaction of the distance protection ............................ 133
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