Abbrevitations; Related Documents - ABB REX 521 Operator's Manual

REX 521
1.4.
1.5.
6
Protection Relay
Operator's Manual

Abbrevitations

CBFP Circuit-breaker failure protection
CT Current transformer
HMI Human-machine interface
HSPO High-speed power output
IRF Internal relay fault
LCD Liquid chrystal display
PO Power output
RS Rogowski sensor
SO Signalling output
VD Voltage divider
VT Voltage transformer

Related documents

Manuals for the REX 521
• Technical Reference Manual, Standard Configurations
• Technical Reference Manual, General
• Installation Manual
• Technical Descriptions of Functions (CD-ROM)
• Modbus Remote Communication Protocol for REX 521,
Technical Description
• DNP 3.0 Remote Communication Protocol for REF 54_
and REX 521, Technical Description
Parameter and event lists for the REX 521
• Parameter List for REX 521
• Event List for REX 521
• General Parameters for REX 521
• Interoperability List for REX 521
Tool-specific manuals
• CAP505 Installation and Commissioning Manual
• CAP505 Operator's Manual
• CAP505 Protocol Mapping Tool, Operator's Manual
• Tools for Relays and Terminals, User's Guide
• CAP 501 Installation and Commissioning Manual
• CAP 501 Operator's Manual
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