CHAPTER 6: SETPOINTS
S3 PROTECTION
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
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OUTPUT RELAY 3 to 6
Range: Do not operate, Operate
Default: Do not operate
Any or all of the output relays 3 to 6 can be selected to operate upon phase IOC
operation. Relay outputs operation is available no matter whether the
Latched Alarm
,
Alarm
, or
Trip
function is selected.
BLOCK 1/2/3
Range: Off, Contact Input 1 to 10, Virtual Input 1 to 32, Remote Input 1 to 32, Logic
Elements 1 to 16
Default: Off
Three blocking inputs are provided in the Phase IOC menu. When any one of the selected
blocking inputs - Contact input, Virtual Input, Remote Input, or Logic Element - is turned
on, the phase IOC function will be blocked.