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S3 PROTECTION
6–104
Courtesy of NationalSwitchgear.com
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 the Neutral IOC
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
Element 1 to 16
Default: Off
There are three independent blocking inputs in the Neutral IOC menu. The function is
blocked if any of the three blocking inputs is detected "high". Selection of a block input
includes Contact input, Virtual Input, Remote Input, or Logic Element.
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: SETPOINTS
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