Current Based Inverse Definite Minimum Time Characteristics; Idmt Curves For Overcurrent Protection - ABB RELION 620 Series Technical Manual

General function block features
Figure 592: Operating effect of the BLOCK input when the selected blocking mode
is "Freeze timer"
If the BLOCK input is activated when the operate timer is running, as described in
Figure 592
input is not active longer than specified by the
timer is reset in the same way as described in
input .
11.2 Current based inverse definite minimum time
characteristics
1122
, the timer is frozen during the time BLOCK remains active. If the timer
The selected blocking mode is "Freeze timer".
Reset delay time setting, the operate
Figure 590
, regardless of the BLOCK
Technical Manual
1MRS757644 H
620 series