9
2. One Main without Tie Breaker
Standard Arc Configurations User Manual for Eaton Arc Flash Relays
MN026009EN January 2016 www.eaton.com
EAFR-101 CS:4
Table 9. Trip and I/O Description - EAFR-101 CS:4.
Light
Current
(External)
I/O Description
Trip Description
BI1
Binary input 1.
Signal inputs: BI1 (Current) from main feeder EAFR-110P CS:1,A output HSO1.
S1
BI1
Sensor channel 1.
Monitoring outgoing cable compartment.
Trip criteria: C Light.
Trip outputs: T1 (outgoing CB), T3 (not in use), T4 (trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:1,A after CBFP setting time.
S2
BI1
Sensor channel 2.
Monitoring outgoing cable compartment.
Trip criteria: C Light.
Trip outputs: T2 (outgoing CB), T3 (not in use), T4 (Trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:1,A BI2 after CBFP setting time.
S3/S4 BI1
Sensor channel 3/4.
Monitoring CB and BB compartment.
Trip criteria: C Light.
Trip outputs: T3 (not in use), T4 (Trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:1,A BI2.
Signal inputs: BI2 (MT) from main unit EAFR-110P CS:1,A (HSO2).
BI2
Binary input 2.
Trip criteria: C Light.
Trip outputs: T1 (outgoing CB), T2 (outgoing CB), T3 (not in use), T4 (Trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:1,A BI2.
Signal inputs: BI2 (MT) from main unit EAFR-110P CS:1,A (HSO2).
Table 10. Trip and I/O Logic - EAFR-101 CS:4.
Inputs
Outputs
Light
Current (External)
T1
T2
T3
T4
BO1
BI1
S1
BI1
x
x(CBFP)
x
x(CBFP)
S2
BI1
x
x(CBFP)
x
x(CBFP)
S3
BI1
x
x
x
S4
BI1
x
x
x
BI2
x(MT)
x(MT)
x(MT)
x(MT)