Ice AP901S, Инструкция по эксплуатации

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Instruction manual – AP901S Arc Protection Unit 30 (43
)
A1027A
7.1 O
UTPUTS
7.1.1 T
RIP RELAYS
T1, T2
AND
T3
The AP901S unit has integrated trip relays T1 and T2 for tripping of the circuit-breakers. T1
and T2 relays are normally open type (NO).
Trip relay T4 is a common trip relay that operates anytime T1 or T2 relay operates and can be
used either for tripping one more disconnecting device or for trip alarm to local or remote
monitoring and alarming system.
7.1.2 B
INARY OUTPUT
BO1, BO2
AND
BO3
Three binary outputs are available (+24V dc). Binary output function can be configured using
dipswitches (see chapter 3.5 Dipswitch settings).
Note: the binary output is polarity sensitive.
7.1.3 S
YSTEM FAILURE RELAY
SF
System failure relay SF is a changeover type (NO/NC) and is energized in healthy condition.
Whenever AP901S detects a system error or disconnection of the auxiliary power supply the
contact changes its state. The state of the SF relay remains the same until the unit returns to
a healthy condition and SF relay is energized again.
7.2 I
NPUTS
7.2.1 A
RC SENSOR CHANNELS
S1, S2, S3,
AND
S4
AP901S has 4 arc point sensor channels. Maximum three arc point sensors (type AS01 or
AS02) may be connected to each channel.
For details on sensors refer to “Arc Sensors Series – Instruction booklet”.