Instruction manual – AQ 110 arc protection unit
45 (80
)
AQ101:
I/O
Function
S1
Not in use (*)
S2,S3,S4
Monitoring of arc light in outgoing feeder breaker
compartments and busbars compartment (Zone 2)
(*)
BO1
Sending light information to AQ 110 unit of
incoming feeder 1
BI1
Receiving overcurrent information from AQ 110
unit of incoming feeder 1
BI2
Receiving master trip information from AQ 110 unit
of incoming feeder 1
T1
Master trip to CB4-x in case of fault in Zone 2.
T2
Master trip to CB4-x in case of fault in Zone 2
T3
Master trip to CB4-x in case of fault in Zone 2
T4
Not in use (**)
SF
System failure dry contact for alarming
*sensor channel S1 may be applied if more sensors are needed in zone 2A.
Pay attention to S1 trip criteria dipswitch selection (light only or light and
overcurrent) and common trip dipswitch selection. For more information refer
to AQ 101 Arc protection unit instruction manual. Sensor channel S5 may be
applied as well.
**T4 may be applied in case of more CB’s
6.3.3
T
RIP LOGIC
,
CONNECTION DIAGRAM AND DIPSWITCH
SETTINGS
CB1
CB2
CB4-x
Zone 1
x
x
Zone 2
x
x (MT)
CBFP of CB1
x
AQ 110
T1,HSO1
T2
AQ 101A-x
T1
Table 6-3: Scheme IB1 trip logic
