AuCom CSXI-045 Panduan Pengguna - Halaman 4

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Halaman Cetak
ELECTRICAL INSTALLATION
Motor Thermistor
Motor thermistors can be connected directly to the CSX
used, there must be a link between B4, B5 (the CSX
WARNING
Isolate the soft starter completely from the power supply before attempting any work on the
starter or motor. Control terminals may be at phase voltage potential.
3.4
Outputs
Main Contactor Output
The Main Contactor output (terminals 13, 14) closes as soon as the soft starter receives a start command
and remains closed while the soft starter is controlling the motor (until the motor starts a coast to stop, or
until the end of a soft stop). The Main Contactor output will also open if the soft starter trips.
The Main Contactor output can be used to directly control a main contactor coil.
Programmable Output
The programmable output relay (terminals 23, 24) can be used to signal either trip or run status. This
relay is normally open.
Trip:
The relay closes when the CSX
upstream circuit breaker (in order to isolate the motor branch circuit), or to signal the trip to an automation
system or externally. The relay will open when the trip is reset.
Run:
The relay operates when the soft start is complete, the bypass relays are closed and full voltage is being
applied to the motor. The relay can be used to operate a contactor for power factor correction
capacitors, or to signal soft starter run status to an automation system.
3.5

Electrical Schematics

Soft starter installed with a system
protection circuit breaker complete with a
shunt trip device
M
Motor (three phase)
KM1
Main contactor
13, 14
Main contactor output
23, 24
Programmable output (set to Trip)
Page 4
B4
B5
i
trips. The relay can be used to operate the shunt-trip mechanism of an
1 /L 1
2/T 1
3 /L 2
4/T 2
M
5 /L 3
6/T 3
13
14
K M 1
23
24
i
terminals B4, B5. If motor thermistors are not
i
is supplied with a link fitted).
B4
B4
B5
B5
Soft starter installed with a system
protection circuit breaker and main
contactor
K M 1
CSXi
1/L 1
2 /T 1
3/L 2
4 /T 2
5/L 3
6 /T 3
1 3
1 4
K M 1
2 3
2 4
710-02408-00H
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