49
7. Multi-mains with Tie Breaker
Standard Arc Configurations User Manual for Eaton Arc Flash Relays
MN026009EN January 2016 www.eaton.com
Table 50. Trip and I/O Logic - EAFR-110P CS:2,A (LS).
Inputs
Outputs
Light
Current
(External)
Current
(Internal)
Current
(External RS)
T1
T2
T3
T4
HSO1
(Current)
HSO2 (MT)
BO1
IL, Ig
x
x
BI1
x
BI1
x
S1
x
x
x
S2
IL, Ig
x
x
x
x
x
x
x
BI1
x
x
x
x
x
x
BI1
x
x
x
x
x
x
S3
IL, Ig
x
x
x
x
x
x
BI1
x
x
x
x
x
BI1
x
x
x
x
x
S4
IL, Ig
x
x
x
x
x
x
BI1
x
x
x
x
x
BI1
x
x
x
x
x
BI2
IL, Ig
x
x
x
x
x
x
BI1
x
x
x
x
x
BI1
x
x
x
x
x
EAFR-110P CS:7,A (LS):
Table 51. Trip and I/O Description - EAFR-110P CS:7,A (LS).
Light
Current
(External)
Current
(Internal)
I/O Description
Trip Description
IL, Ig
Current inputs phase IL1, IL2,
IL3, and E/F Ig.
Measuring current for main(s).
Signal outputs: HSO2 (Current) to main units EAFR-110P CS:2,A (LS & RS) input BI1.
BI1
Binary input 1.
Signal outputs: HSO2 (Current) to main units EAFR-110P CS:2,A (LS & RS) input BI1.
Signal inputs: (Current) from main unit EAFR-110P CS:2,A (LS) output BO1.
S1
Sensor channel 1.
Monitoring incoming cable
compartment.
Trip criteria: Light only.
Trip outputs: T1 (main CB), T2 (upstream CB [HV side]), T4 (trip alarm).
S2
IL, Ig
Sensor channel 2.
Monitoring incoming circuit
breaker compartment.
Trip criteria: C Light.
Trip outputs: T1 (main CB), T2 (upstream CB [HV side]), T3 (not in use), T4 (trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:2,A (LS) input BI2.
Signal inputs: MT from main unit EAFR-110P CS:2,A (LS) output HSO2.
BI1
S3/S4
IL, Ig
Sensor channel 3/4.
Monitoring busbar compart-
ment.
Trip criteria: C Light.
Trip outputs: T1 (main CB), T3 (not in use), T4 (trip alarm).
Signal outputs: BO1 (Light) to main unit EAFR-110P CS:2,A (LS) input BI2.
Signal inputs: MT from main unit EAFR-110P CS:2,A (LS) output HSO2.
BI1
BI2
Binary input 2.
Trip criteria: C Light.
Trip outputs: T1 (main CB), T3 (not in use), T4 (trip alarm).
Signal inputs: MT from main unit EAFR-110P CS:2,A (LS) output HSO2.
BI1