Instruction manual – AP901S Arc Protection Unit
13 (43
)
A1027A
Dipswitch
Function selection
ON (LEFT
POSITION)
OFF (RIGHT
POSITION)
8
L> / L>+I>
Sensor channels S2, S3,
S4 trip criteria
Trip on light only (L>).
Trip on light and
overcurrent (L> + I>).
Both signals are required
simultaneously to trip.
7
S1: L> / L>+I>
Sensor channel S1 trip
criteria
Trip on light only (L>).
Trip on light and
overcurrent (L> + I>).
Both signals are required
simultaneously to trip.
6
Latch / non-latch
Latch or non-latch for trip
relays T1 and T2
T1 and T2 operate as
latched.
T1 and T2 operate as non-
latched.
Note: Trip relay T3 is always latched. Binary output BO1
function is always non-latched.
5
100 / 150ms
CBFP time setting
CBFP time is set to
100ms.
CBFP time is set to
150ms.
4
Scheme select
Scheme selection
The scheme with CBFP
function.
Scheme selection number
is according to binary
arithmetic.
The scheme without CBFP
function.
Scheme selection number
is according to binary
arithmetic.
3
Scheme select
Scheme selection
Scheme selection number
is according to binary
arithmetic.
Scheme selection number
is according to binary
arithmetic.
2
Scheme select
Scheme selection
Scheme selection number
is according to binary
arithmetic.
Scheme selection number
is according to binary
arithmetic.
1
Scheme select
Scheme selection
Scheme selection number
is according to binary
arithmetic.
Scheme selection number
is according to binary
arithmetic.
Table 3-2 AP901S dipswitch setting selection
Summary of Contents for AP901S
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