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Medium Voltage Application Guide

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13867.A<br />

13868.A<br />

13870.A<br />

13869.A<br />

SOFT STARTERS<br />

User interface touch-screen<br />

The screen provides the user with direct access to all control options.<br />

PW_1 screen selects between contactor or circuit<br />

breaker control of individual switchgear<br />

PW_2 screen selects between soft stop or coast to stop<br />

for individual motors<br />

B = Breaker<br />

C = Contactor<br />

C<br />

B<br />

Line<br />

Contactor<br />

SOFT<br />

STOP<br />

STOP<br />

C<br />

M-1 M-2 M-3 M-4<br />

B<br />

C<br />

B<br />

C<br />

B<br />

C<br />

B<br />

Motor<br />

Contactor<br />

M-1 M-2 M-3 M-4<br />

OFF OFF OFF OFF<br />

C<br />

B<br />

C<br />

B<br />

C<br />

B<br />

C<br />

B<br />

M-5 M-6 M-7 M-8<br />

Motor<br />

Bypass<br />

OFF OFF OFF OFF<br />

MIMIC screens emulate switchgear, soft starter and<br />

motor status<br />

M-1 to M-8 screens select the command source for<br />

motor starting and stopping, and select between DOL or<br />

soft start for each motor (separate screen per motor)<br />

From<br />

MC3<br />

From<br />

MC2<br />

From<br />

MC1<br />

Line<br />

6 kV<br />

M1_START/STOP ENABLE<br />

BP3<br />

BP2<br />

BP1<br />

OFF<br />

OFF<br />

START<br />

ENABLE<br />

Q3<br />

Q2<br />

Q1<br />

LOCAL<br />

OFF<br />

REMOTE<br />

OFF<br />

STOP<br />

ENABLE<br />

DOL<br />

SOFT<br />

START<br />

M3<br />

M3<br />

FAULT<br />

M2<br />

M2<br />

FAULT<br />

M1<br />

M1<br />

FAULT<br />

710-12280-00A <strong>Medium</strong> <strong>Voltage</strong> <strong>Application</strong> <strong>Guide</strong> Page 65

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