Siemens 7SC80 - Page 17

3.1.2 Hardware Modifications.............................................................................................453
3.1.2.1 Disassembly.........................................................................................................453
3.1.2.2 Current Terminal Connections.............................................................................. 459
3.1.2.3 Process Terminal Connections.............................................................................. 460
3.1.2.4 Interface Modules................................................................................................ 460
3.1.2.5 Reassembly..........................................................................................................461
3.1.3 Installation................................................................................................................ 461
3.1.3.1 General................................................................................................................461
3.1.3.2 HMI (Human-Machine Interface) Optional............................................................ 463
3.2 Checking Connections.....................................................................................................471
3.2.1 Checking the Data Connections of the Interfaces........................................................471
3.2.2 Checking the System Connections............................................................................. 475
3.3 Commissioning............................................................................................................... 477
3.3.1 Test Mode and Transmission Block.............................................................................478
3.3.2 Testing the System Interface (at Port F)......................................................................478
3.3.3 Communication Module Configuration...................................................................... 480
3.3.4 Checking the Status of Binary Inputs and Outputs...................................................... 483
3.3.5 Tests for Breaker Failure Protection............................................................................ 485
3.3.6 Testing User-Defined Functions..................................................................................487
3.3.7 Current, Voltage, and Phase Rotation Testing............................................................. 487
3.3.8 Test for High Impedance Protection........................................................................... 488
3.3.9 Testing the Reverse Interlocking Scheme....................................................................488
3.3.10 Direction Check with Load Current.............................................................................489
3.3.11 Polarity Check for Voltage Input Vx............................................................................ 490
3.3.12 Ground Fault Check................................................................................................... 491
3.3.13
Polarity Check for Current Input Ι
N
..............................................................................492
3.3.14 Switching Test for Configured Equipment.................................................................. 495
3.3.15 Creating A Test Fault Record...................................................................................... 495
3.3.16 Password Security .....................................................................................................496
3.4 Final Preparation of the Device........................................................................................498
4 Technical Data.......................................................................................................................................... 499
4.1 General Device Data........................................................................................................500
4.1.1 Analog Inputs............................................................................................................500
4.1.2 Auxiliary Voltage....................................................................................................... 501
4.1.3 Binary Inputs and Outputs......................................................................................... 502
4.1.4 Communication Interfaces.........................................................................................503
4.1.5 Electrical Tests...........................................................................................................504
4.1.6 Mechanical Tests....................................................................................................... 506
4.1.7 Climatic Stress Tests.................................................................................................. 506
4.1.8 Service Conditions..................................................................................................... 507
4.1.9 Constructive Design...................................................................................................507
4.1.10 UL certification conditions......................................................................................... 508
4.2 Definite-Time Overcurrent Protection 50, 50N................................................................. 509
4.3 Inverse-Time Overcurrent Protection............................................................................... 511
4.4 Directional Overcurrent Protection 67, 67N..................................................................... 527
4.5 Inrush Restraint...............................................................................................................529
4.6 Dynamic Cold Load Pickup...............................................................................................530
Table of Contents
SIPROTEC Compact, 7SC80, Manual 17
E50417-G1140-C486-A8, Edition 07.2017