ABB REL 356

ABB REL 356 Current Differential Protection
Page viii
Table of Contents
Section 6 Computer Communications
Communication Port(s) Use ............................................................................................................................ 6-1
Introduction .............................................................................................................................................. 6-1
Communication Port Options.................................................................................................................... 6-1
Personal Computer Requirements ............................................................................................................ 6-1
Connecting Cables ................................................................................................................................... 6-1
Modem Communications .......................................................................................................................... 6-2
Setting Change Permission and Relay Password ..................................................................................... 6-2
Password ................................................................................................................................................. 6-2
Troubleshooting ........................................................................................................................................ 6-3
Sixteen Fault Target Data ............................................................................................................................... 6-3
Digital Fault Recording.................................................................................................................................... 6-3
Fault Record Data Definitions ......................................................................................................................... 6-4
Analog Signals ......................................................................................................................................... 6-4
Digital Signals .......................................................................................................................................... 6-5
Section 7 Glossary
Section 8 Application Notes
Line Sectionalizing Using a PLC and ABB Protective Relays
Modem Communications to ABB Relays