Siemens Arcteq AQ101 - Page 18

Instruction manual AQ101, AQ101D, AQ110P, AQ01 18 (48)
Scheme 2a
T1
T2
T3**
T4**
BO1
HSO1
HSO2
QD
S1
X
X
X
X
S2
X
X
X
X
X
S3
X
X
X
X
X
S4
X
X
X
X
X
X
S5*
BI1
X
BI2
X
X
X
X
IL1-3
X
Io
X
Table 2-7: AQ110 scheme 2a protection scheme logics.
*) S5 is optional and may be used as fiber optic sensor input or quenching device control. Refer to
the technical manual and ordering codes.
**) T3 and T4 are mainly for fault location identification.
***) When DIP switch SW2:4 is set to FAST mode, the trip relay T2 is activated without CBFP
function. When DIP switch SW2:4 is set to CBFP mode, the CBFP function activates trip relay T2 if
sensor channel (S2, S3, S4) or L> input (BI1, BI2) is activated for more than CBFP set time (100ms
or 150ms).