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Technical description
Table of Contents
VM59.EN001
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39
External input / output module .......................... 183
Block diagrams .............................................................. 189
VAMP 59 ................................................................. 189
Connection examples .................................................. 190
VAMP 59 ................................................................. 190
Technical data ................................................................... 191
Connections................................................................... 191
Measuring circuitry ............................................... 191
Auxiliary voltage ................................................... 191
Digital inputs .......................................................... 192
Trip contacts .......................................................... 192
Alarm contacts ..................................................... 192
Local serial communication port ....................... 192
Remote control connection ............................... 193
Analogue output connection (option) ............. 193
Tests and environmental conditions .......................... 194
Disturbance tests .................................................. 194
Electrical safety tests ............................................ 195
Mechanical tests .................................................. 195
Environmental conditions .................................... 196
Casing .................................................................... 196
Package................................................................. 196
Protection stages .......................................................... 197
Differential protection .......................................... 197
Overcurrent protection........................................ 198
Circuit-breaker failure protection ...................... 201
Arc fault protection (option) .............................. 201
Digital input/output card (option) ..................... 202
Supporting functions ..................................................... 202
Disturbance recorder (DR) .................................. 202
Inrush current detection (68) .............................. 203
Transformer supervision ........................................ 203
Abbreviations and symbols .............................................. 204
Construction ....................................................................... 206
Order information ............................................................... 207
Revision history ................................................................... 209
Reference information ....................................................... 210