REG 316*4 1MRB520049-Uen / Rev. F ABB Switzerland Ltd
3-147
VoltageInp
defines the analogue voltage input channel.
All voltage inputs may be selected.
In the case of three-phase measurement, the first channel
(e.g. the phase-to-phase voltage R-S) of the group of three
selected must be specified.
BlockInp
Binary address used as blocking input.
F: - Not blocked
T: - Blocked
xx: - all binary inputs (or outputs of a protection
function).
Trip
Output for signalling tripping.
Start
Output for signalling pick-up.
Fig. 3.5.13.1 Operating characteristic of the underimpedance
function
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