GE Multilin 850

CHAPTER 4: SETPOINTS FLEXLOGIC
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 4–419
–°C and °C
–I
2
t and I
2
t
– FlexElement actual and FlexElement actual
For all the other combinations, the element displays 0.000 or N/A and will not assert
any output operand.
2. The analog value associated with one FlexElement can be used as an input to another
FlexElement “Cascading”.
Figure 4-174: FlexElement logic diagram
Path: Setpoints > FlexLogic > FlexElements > FlexElement 1
FUNCTION
Range: Disabled, Enabled
Default: Disabled
NAME
Range: Up to 13 alphanumeric characters
Default: FlexEl 1
INPUT 1 (+)
Range: Off, any FlexAnalog signal
Default: Off
This setting specifies the first input (non-inverted) to the FlexElement. Zero is assumed
as the input if this setting is set to “Off”. For proper operation of the element at least one
input must be selected. Otherwise, the element will not assert its output operands.
894017$1.CDR
FUNCTION:
SETTING
Enabled = 1
SETTINGS
INPUT COMPARISON
MODE:
OPERATING MODE:
DIRECTION:
PICKUP:
RATE OF CHANGE TIME
UNIT (dt):
RATE OF CHANGE TIME:
RUN
INPUT 1(+):
SETTINGS
Actual Value FLEXLOGIC OPERANDS
FE 1 OP
FE 1 PKP
INPUT 2 (-):
Actual Value
+
-
FE 1 Op Signal
ACTUAL VALUE
Disabled = 0
BLOCK:
SETTING
Off = 0
AND
t
PKP
t
DPO
SETTINGS
DROPOUT DELAY:
PICKUP DELAY:
HYSTERESIS: