ABB Relion 670 series - Secure System Setup and Configuration; Physical Interfaces for Security; Communication Ports and Services Configuration

Station communication...................................................................225
Multiple command and transmit MultiCmd/MultiTransm............225
Remote communication..................................................................226
Binary signal transfer BinSignReceive, BinSignTransm............226
Section 16 Checking the directionality...........................................229
About this chapter...........................................................................229
Overview.........................................................................................229
Testing the directionality of the distance protection........................229
Section 17 Commissioning and maintenance of the fault
clearing system............................................................233
Installation and commissioning.......................................................233
Commissioning tests......................................................................234
Periodic maintenance tests............................................................234
Visual inspection........................................................................235
Maintenance tests.....................................................................235
Preparation...........................................................................236
Recording.............................................................................236
Secondary injection..............................................................236
Alarm test.............................................................................236
Self supervision check..........................................................236
Trip circuit check..................................................................237
Measurement of service currents.........................................237
Restoring..............................................................................238
Section 18 Fault tracing and repair................................................239
Fault tracing....................................................................................239
Information on the local HMI......................................................239
Using front-connected PC or SMS............................................240
Repair instruction............................................................................242
Repair support................................................................................243
Maintenance...................................................................................243
Section 19 Glossary.......................................................................245
Table of contents
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Installation and commissioning manual