Jb2 ja2, Ja jb – GE 225 User Manual

Page 31

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Installation

Guide

SG Series 225 & 300 kVA

SGT5000_100-150_RPA-IM0048_02

JP3

JP1

JP4

IM 0048

JP2

JP1

JP2

JP4
JP3

JB1

JA1

JB

JA

Fig. 3.10-2 Bus connection on terminal units

Terminal units
On the parallel bus PCB P34 – Bus Interface IM0048, of the first and last units (terminal)
of the parallel system the Jumpers JP1, JP2, JP3 and JP4 must be inserted.

JB1

JA1

JP2

JP1

JP3

JP4

JP3

JP2

JP1

JP4

IM 0048

JB2

JA2

SGT5000_100-150_RPA-IM0048_03

JA

JB

Fig. 3.10-3 Bus connection on intermediate units

Intermediate units
On the parallel bus PCB P34 – Bus Interface IM0048 of the intermediate units of the
parallel system the Jumpers JP1, JP2, JP3 and JP4 must be removed.

In a parallel system composed of 2 or more units, only the first and last units
(having 1 input JA and JB free) have the Jumper JP1, JP2, JP3 and JP4 inserted on
parallel bus PCB P34 – Bus Interface IM0048 (see Fig. 3.10-2).

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