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REF 610
4.1.4.
4.1.4.1.
18
Feeder Protection Relay
Technical Reference Manual
The functions of the relay are selected with the switches of switchgroups SGF, SGB,
SGR and SGL. The checksums of the switchgroups are found under SETTINGS in
the HMI menu. The functions of the switches are explained in detail in the
corresponding SG_ tables.
Protection
Block diagram
Switchgroups for
digital inputs
SGB1...5
Reset 1 1)
Reset 2 2)
Reset 3 3)
Setting group
Time sync
DI1
Ext Trip
Digital inputs
DI2
Ext Trig CBFP
DI3
Optional digital
Ext Trig Trip lockout
DI4
inputs
Ext Arc
DI5
(I/O module)
Trip lockout reset
Block I>
Block I>>
Block I 0 >
Block I 0 >>
Block ∆I>
AR Inhibit
CB Close Inhibit
CB Pos Open
CB Pos Closed
Ext AR Initiation
I
L1
I
L2
I
L3
Analogue inputs
I
0
Optional arc detector inputs
Light sensor input1
(Communication module)
Light sensor input2
The dashed line indicates optional functionality.
1) Clear indications by the digital input signal
2) Clear indications and unlatch output contacts by the
digital input signal
3) Reset indications and memorized values; unlatch output
contacts by the digital input signal
Fig. 4.1.4.1.-1 Block diagram
Protection relay functions
programmable LEDs
I>
Io>
Start
Start
Block
Trip
Block
Trip
I>>
Io>>
Double
Start
Start
Double
Block
Trip
Trip
Block
I>>>
∆I>
Start
Start
Trip
Trip
Block
I
θ>
Start
IL1
Alarm
IL2
Trip
IL3
Io
CBFP
PO1
Io
EXT TRIG
PO2
Trip lockout
Arc I>, Arc I 0 >
Ext Trig
Light1
Reset
Light output
Light2
PO3
Trip lockout
Ext Arc
Trip
0→1, AR
Autoreclose
CB Pos Open
Open CB Cmd
CB Pos Closed
Close CB Cmd
AR Inhibit
CB Reclose Failed
CB Close Inhibit
Shot Due
Ext AR Initiation
Definite Trip Alarm
I> Start
AR Lockout
I> Trip
Block I>
I>> Trip
Block I>>
I>>> Trip
Block I>>>
Io> Start
Block Io>
Io> Trip
Block Io>>
Io>> Trip
∆I> Trip
Θ> Alarm
Θ> Trip
Arc Trip
Trip lockout
CBFP
Warning
SGF1...SGF5
Disturbance recorder
(4 analogue + up to 8 digital channels)
I
DI1
I> Start
L 1
DI2
I> Trip
I
L 2
DI3
I>> Start
I
L 3
DI4
I>> Trip
I
0
DI5
I>>> Start
I>>> Trip
I 0 > Start
I 0 > Trip
I 0 >> Start
I 0 >> Trip
∆I> Start
∆I> Trip
θ> Alarm
θ> Trip
1MRS 755310
Switchgroups for
SGL1...8
I> Trip
I>> Trip
I>>> Trip
I 0 > Trip
I 0 >> Trip
∆I> Trip
LED1
Θ> Alarm
LED2
Θ> Trip
LED3
Trip lockout
LED4
Programmable
Definite Trip Alarm
LED5
LEDs
Shot Due
LED6
AR Lockout
LED7
CB Pos Open
LED8
CB Pos Closed
DI1
DI2
DI3
DI4
DI5
Arc Trip
Arc light output
Switchgroups for
output contacts
SGR1...5
I> Start
I> Trip
I>> Start
I>> Trip
I>>> Start
I>>> Trip
I 0 > Start
I 0 > Trip
PO1
PO2
I 0 >> Start
Digital outputs
PO3
(Output contacts)
I 0 >> Trip
SO1
∆I> Start
SO2
∆I> Trip
Optional digital
SO3
outputs
θ> Alarm
SO4
(I/O module)
θ> Trip
SO5
Ext Trip
Open CB Cmd
Close CB Cmd
Definite Trip Alarm
CB Reclose Failled
Shot Due
AR Lockout
Arc Trip
Arc light output
IRF
IRF INDICATION
IRF indication LED (green)
START/ALARM INDICATION
Start/Alarm (yellow) and
TRIP INDICATION
trip (red) indication LEDs
BlockDiagrREF610_a
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