6–120 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S4 CONTROLS CHAPTER 6: SETPOINTS
OUTPUT RELAYS 3 to 6
Range: Do not operate, Operate
Default: Do not operate
Any or all of output relays 3 to 6 can be selected to operate upon a Logic Element
operating condition. The selection of auxiliary relay outputs is available no matter
whether the Control, Alarm, Latched Alarm, or Trip function is selected.
BLOCK 1, 2, 3
Range: Off, Any input from the list of inputs
Default: Off
Each of the three blocks is configurable by allowing the assigning of an input selected
from a list of inputs. This input can be a contact input, a virtual input, a remote input, or
an output flag from a protection, or control element, as well as an input from any of the
other seven logic inputs. See the list of available inputs from the table below
BLOCK LOGIC
Range: OR, AND
Default: OR
This setting defines block source operation as either “OR” or “AND”. When set to “OR” any
of the inputs will block the Logic Element. When set to “AND” all three sources must be
asserted before the Logic Element is blocked.
Courtesy of NationalSwitchgear.com
To Next Page
Loading...
