GE 845 Instruction Manual page 435

CHAPTER 4: SETPOINTS
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
For all the other combinations, the element displays 0.000 or N/A and will not assert
any output operand. The relay displays an error message.
2. The analog value associated with one FlexElement can be used as an input to another
FlexElement "Cascading".
Path:
Setpoints > Flexlogic > Flexelements > FlexElement 1
..\FlexElements\FlexElement 1
Item Name
Function
Name
Input 1 (+)
Input 2 ( )
Input Comparison Mode
Operating Mode
Operating Signal Direction
Pickup
Hysteresis
Rate of Change Time Unit (dt)
Rate of Change Time
Pickup Delay
Dropout Delay
Block
Relays
Events
Targets
FlexEl 1
Figure 4-141: FlexElement logic diagram
SETTINGS
FUNCTION
Range: Disabled, Enabled
Default: Disabled
Value Unit
Disabled
FlexEl 1
Off
Off
Level
Signed
Over
1.000 p.u.
3.0 %
Millisecond
40
0.000 s
0.000 s
Off
Do Not Operate
Enabled
Self Reset
FLEXLOGIC
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