g

GE

3.11 CONTROL BUS CABLE LOCATION

Warning!

This installation must be verified by trained personnel before the initial start-up (ensure that the UPS installation is completely powered down).

SGS_225-300_RPA control bus cable_01

A

Q1

Q2

Access to the control bus connection.

The control bus connection between parallel units must be made on the front of the electronic module fitted behind the front doors.

To properly route the control bus cables the safety screen “A” must be removed.

Fig. 3.11-1 View electronic module on intermediate unit

JB1

A

JB

JB2

 

 

 

JA1

JA2

RPA control bus cable_02US

Control bus cables connection.

• Plug the cables JA (1/2/3/4/5/6/7)

and JB (1/2/3/4/5/6/7) onto the RJ

connectors JA and JB located on

A

JA

SGT5000_100-150_

parallel bus PCB “P34 – Bus

Interface IM0048” (going to “P13 –

RPA Board IM0006” J52(A) and

J62(B)).

• Fix both cables JA (1/2/3/4/5/6/7)

and JB (1/2/3/4/5/6/7) to parallel bus

socket connecting the cable shield to

ground by means the cable clamps

“A“.

Next parallel unit

Fig. 3.11-2 Front view electronic module on intermediate unit

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Installation Guide SG Series 225 & 300 kVA