Siemens Arcteq AQ101 Instruction Manual page 18

Instruction manual AQ101, AQ101D, AQ110P, AQ01
S1 X X
S2 X X
S3 X X
S4 X X
S5*
BI1
BI2 X X
IL1-3
Io
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).
Scheme 2a
X
X
X X
X
X
X
X X
X X
X X
X X
X X
)
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