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OPM_SGS_ISG_10K_40K_0US_V010.doc 39/45 Installation Guide SG Series 10, 20, 30 & 40 kVA
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).
SGT5000_030-040_RPA control bus cable_01
Q1
Q2
ON
OFF
OFF
ON
Fig. 3.11-1 View electronic module on intermediate unit
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.
SGT5000_100-150_RPA control bus cable_02US
Next
arallel unit
JB2
JB1
JA2
JA1
A
A
JA
JB
Fig. 3.11-2 Front view electronic module on intermediate unit
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
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“.