VAMP 59 - Page 38

Table of Contents
Technical description
38
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VM59.EN001
4.6. Maximum values of the last 31 days and twelve
months ..................................................................................... 134
4.7. Voltage measurement modes .................................... 135
4.8. Symmetric components ............................................... 136
4.9. Primary, secondary and per unit scaling................... 137
4.9.1. Current scaling ...................................................... 137
4.9.2. Voltage scaling ..................................................... 139
4.10. Analogue output (option) ........................................... 140
4.10.1. mA scaling example ............................................ 140
5. Control functions ................................................................ 141
5.1. Output relays ................................................................. 141
5.2. Digital inputs ................................................................... 142
5.3. Virtual inputs and outputs ............................................ 144
5.4. Function keys / F1 & F2 ................................................. 145
5.5. Output matrix ................................................................. 145
5.6. Blocking matrix .............................................................. 146
5.7. Controllable objects ..................................................... 147
5.7.1. Local/Remote selection ...................................... 149
5.8. Auto-reclose function (79) ........................................... 150
5.9. Logic functions .............................................................. 157
6. Communication ................................................................. 158
6.1. Communication ports .................................................. 158
6.1.1. Local port (Front panel) ....................................... 158
6.1.2. Remote port .......................................................... 159
6.1.3. Extension port ........................................................ 159
6.1.4. Ethernet port .......................................................... 160
6.2. Communication protocols .......................................... 161
6.2.1. PC communication .............................................. 161
6.2.2. Modbus TCP and Modbus RTU ........................... 161
6.2.3. DNP 3.0 ................................................................... 162
6.2.4. External I/O (Modbus RTU master) ..................... 163
6.2.5. IEC 61850 ................................................................ 163
6.2.6. EtherNet/IP ............................................................. 165
7. Application ......................................................................... 167
7.1. Line protection and auto-reclosing ........................... 167
7.2. Trip circuit supervision ................................................... 168
7.2.1. Trip circuit supervision with one digital input .... 168
7.2.2. Trip circuit supervision with two digital inputs ... 173
8. Connections ....................................................................... 177
8.1. Rear panel view ............................................................ 177
8.2. Auxiliary voltage ............................................................ 178
8.3. Output relays ................................................................. 178
8.4. Serial communication connection............................. 179
8.4.1. Pin assignments of communication options ..... 179
8.4.2. Front panel connector ......................................... 180
8.5. Optional digital input / output card .......................... 180
8.6. External option modules .............................................. 183