ABB REF610 Technical Reference Manual page 174

REF610 REF610
174
Feeder Protection Relay
Technical Reference Manual - ANSI Version
PLC
PO
RMS
RTU
SGB
SGF
SGL
SGR
SO
SP
SPA
TCS
UDR
UR
Programmable logical controller
Power output, process object
Root mean square
Remote terminal unit
Switchgroup for digital inputs
Switchgroup for functions
Switchgroup for LEDs
Switchgroup for output contacts
Signal output
Second-pulse
Data communication protocol developed by ABB
Trip-circuit supervision
User-defined register
Unsolicited reporting
1MRS755535