VAMP 52 - Page 39

Technical description Table of Contents
VM50.EN004 VAMP 24h support phone +358 (0)20 753 3264
39
6.2.9. External I/O (Modbus RTU master) ..................... 181
6.2.10. IEC 61850................................................................ 181
7. Application .........................................................................183
7.1. Substation feeder protection ...................................... 184
7.2. Industrial feeder protection......................................... 186
7.3. Trip circuit supervision ................................................... 187
7.3.1. Trip circuit supervision with one digital input .... 187
7.3.2. Trip circuit supervision with two digital inputs... 191
8. Connections
.......................................................................194
8.1. Re
ar panel view ............................................................ 194
8.2. Auxiliary voltage............................................................ 195
8.3. Output relays ................................................................. 195
8.4. S
erial communication connection ............................ 196
8.4.1. Pi
n assignments of communication options..... 196
8.4.2. Front panel connector......................................... 197
8.5. Optional two channel arc protection card.............. 197
8.6. Optional digital input/output card ............................ 198
8.7. External option modules .............................................. 200
8.7.1. External input / output module .......................... 200
8.8. Block diagrams .............................................................. 206
8.8.1. VAMP 50................................................................. 206
8.8.2. VAMP 51................................................................. 207
8.8.3. VAMP 52................................................................. 208
8.9. Block diagrams of optional arc modules .................. 209
8.10. Connection examples.................................................. 210
8.10.1. VAMP 50 / VAMP 51 ............................................. 210
8.10.2. VAMP 52................................................................. 211
9. Technical data ...................................................................214
9.1. C
onnections .................................................................. 214
9.1.1. Measuring circuitry ............................................... 214
9.1.2. A
uxiliary voltage ................................................... 214
9.1.3. Di
gital inputs .......................................................... 214
9.1.4. Tr
ip contacts .......................................................... 215
9.1.5. A
larm contacts ..................................................... 215
9.1.6. Local serial communication port ....................... 215
9.1.7. Re
mote control connection (option)................ 215
9.1.8. Arc protection interface (option) ...................... 216
9.1.9. Ana
logue output connection (option)............. 216
9.2. Te
sts and environmental conditions .......................... 217
9.2.1. Disturbance tests .................................................. 217
9.2.2. Test voltages.......................................................... 217
9.2.3. Mechanical tests .................................................. 217
9.2.4. E
nvironmental conditions .................................... 217
9.2.5. C
asing .................................................................... 217
9.2.6. Package................................................................. 217
9.3. Protection stages .......................................................... 218
9.3.1. Overcurrent protection ....................................... 218