Soft starters - Trinet
Soft starters - Trinet
Soft starters - Trinet
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Schemes (continued) <strong>Soft</strong> <strong>starters</strong> 0<br />
Altistart 48 soft start - soft stop units<br />
Recommended application diagram for starting and decelerating several motors cascaded with a single<br />
Altistart 48, non-reversing and line contactor (continued)<br />
Motor n control<br />
A...<br />
C<br />
KM11<br />
(n-1) contacts<br />
KM21<br />
ARn<br />
SHUNT<br />
KT<br />
KMi1<br />
KMn1<br />
BPMn<br />
KAT<br />
ACDEC<br />
KMn2<br />
SHUNT<br />
BPAn<br />
BPAn<br />
ART<br />
KMn2<br />
KAMn KMn1 KMn2 ARn KAMn KMn1 ARn<br />
KAMn ARn KMn1 KMn2<br />
B...<br />
D<br />
Cascade control<br />
C<br />
n contacts<br />
MST<br />
KM1<br />
MHT<br />
AR1 AR2 ARi ARn<br />
Q11<br />
n contacts<br />
Q21<br />
KA K KALI KALIT<br />
A1<br />
R1C<br />
R1A<br />
(3)<br />
R2C<br />
R2A<br />
n contacts<br />
Qi1<br />
Qn1<br />
KAM1 KAM2 KAMi KAMn<br />
KAT<br />
KT<br />
KALIT ART ACDEC SHUNT<br />
KM1 KA K KALI<br />
D<br />
(3) Assign relay R1 as the "isolating relay". Beware of the operating limits of the contacts (see Characteristics page 60521/2), for example when connecting to high<br />
rating contactors.<br />
BPMn: "Run" button motor n<br />
BPAn: "Stop" button motor n<br />
MST: General "Run" button<br />
MHT: General "Stop" button<br />
Presentation:<br />
pages 60520/2 and 60520/3<br />
Characteristics:<br />
pages 60521/2 to 60521/5<br />
References:<br />
pages 60522/2 to 60522/5<br />
Dimensions:<br />
pages 60523/2 to 60523/5<br />
Schneider Electric<br />
60524_Ver1.10-EN.fm/7
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