Micom P634 - Page 10

2.11 Recording Functions ................................................................................................. 2-22
2.11.1 Organization of the Recording Memories .................................................................................................... 2-22
2.12 Power Supply ............................................................................................................ 2-24
2.13 Current Transformer Specifications .......................................................................... 2-25
2.13.1 Symbols .......................................................................................................................................................2-25
2.13.2 General Equations .......................................................................................................................................2-26
2.13.3 Transformer Differential Protection .............................................................................................................2-27
3 Operation ............................................................................................................3-1
3.1 Modular Structure .......................................................................................................3-1
3.2 Operator-Machine Communication ............................................................................. 3-3
3.3 Configuration of the Measured Value Panels (Function Group LOC) ........................... 3-4
3.3.1 Operation Panel .............................................................................................................................................3-5
3.3.2 Fault Panel .....................................................................................................................................................3-6
3.3.3 Overload Panel ..............................................................................................................................................3-7
3.3.4 Configurable Clear Key ..................................................................................................................................3-7
3.4 Communication Interfaces ..........................................................................................3-8
3.4.1 PC Interface (Function Group PC) .................................................................................................................. 3-9
3.4.2 Communication Interface 1 (Function Group COMM1) ................................................................................ 3-10
3.4.3 Communication Interface 2 (Function Group COMM2) ................................................................................ 3-19
3.4.4 Communication Interface IEC 61850 (Function Groups IEC and GOOSE) .................................................... 3-21
3.4.5 Redundant Ethernet Board ..........................................................................................................................3-31
3.5 IRIG-B Clock Synchronization (Function Group IRIGB) ...............................................3-34
3.6 Configurable Function Keys (Function Group F_KEY) ................................................ 3-35
3.7 Configuration and Operating Mode of the Binary Inputs (Function Group INP) .........3-37
3.8 Measured Data Input (Function Group MEASI) ..........................................................3-39
3.8.1 Direct Current Input on the Analog (I/O) Module Y ...................................................................................... 3-40
3.8.2 Input for Connection of a Resistance Thermometer .................................................................................... 3-43
3.9 Configuration, Operating Mode, and Blocking of the Output Relays (Function Group
OUTP) ........................................................................................................................3-45
3.9.1 Configuration of the Output Relays ............................................................................................................. 3-45
3.9.2 Operating Mode of the Output Relays ......................................................................................................... 3-45
3.9.3 Blocking the Output Relays ......................................................................................................................... 3-46
3.9.4 Testing the Output Relays ...........................................................................................................................3-47
3.10 Measured Data Output (Function Group MEASO) ......................................................3-48
3.10.1 General Settings ..........................................................................................................................................3-48
3.10.2 BCD Measured Data Output ........................................................................................................................ 3-50
3.10.3 Analog Measured Data Output .................................................................................................................... 3-53
3.10.4 Output of “External” Measured Data ...........................................................................................................3-59
3.11 Configuration and Operating Mode of the LED Indicators (Function Group LED) ...... 3-60
3.11.1 Configuring the LED Indicators ....................................................................................................................3-60
3.11.2 Layout of the LED Indicators ........................................................................................................................3-60
3.11.3 Operating Mode of the LED Indicators .........................................................................................................3-61
3.12 Main Functions of the P634 (Function Group MAIN) ..................................................3-63
3.12.1 Conditioning of the Measured Values ..........................................................................................................3-63
3.12.2 Phase Reversal Function ..............................................................................................................................3-67
3.12.3 Disconnecting Transformer Ends .................................................................................................................3-68
3.12.4 Selection of the Residual Current to be Monitored ......................................................................................3-72
3.12.5 Forming a Virtual Transformer End ..............................................................................................................3-72
3.12.6 Operating Data Measurement ..................................................................................................................... 3-75
3.12.7 Configuring and Enabling the Device Functions .......................................................................................... 3-86
3.12.8 Activation of “Dynamic Parameters” ...........................................................................................................3-88
P634
Table of Contents
2 P634/EN M/R-42-A // P634‑311‑653