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 percent
differential operation. The selection of 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 Percent Differential menu. Any of the assigned
blocking inputs can block the function. The available selections for each block include
Contact input, Virtual Input, Remote Input, or Logic Element.