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3.9.3 Control bus cable location
WARNING !
This operation must be performed by QUALIFIED SERVICE PERSONNEL ONLY before
the initial start-up.
ENSURE THAT THE UPS INSTALLATION IS COMPLETELY POWERED DOWN.
Fig. 3.9.3-1 View electronic module on intermediate unit
JA
JB
Fig. 3.9.3-2 Front view electronic module on intermediate unit
Modifications reserved
OPM_SGS_ISG_M40_M50_2US_V021.doc
Q1
Q2
12
1
13
2
14
3
4
6
5
7
8
9
15
16
17
18
19
20
22
11
21
10
JA1
A
JA2
JA1
JA2
B
Next parallel unit
Access to the control bus
connection.
The control bus connection
between parallel units must be
made on the electronic module
(P34 – Bus Interface) situated at
the inside of the UPS door.
Control bus cables connection.
•
Plug
the
cables
(1/2/3/4/5)
and
(1/2/3/4/5)
onto
connectors
JA
located on parallel bus PCB
"P34 – Bus Interface" (going
to "P13 – RPA Board" J52(A)
and J62(B).
•
Fix
both
cables
(1/2/3/4/5)
and
(1/2/3/4/5) to parallel bus
socket connecting the cable
shield to ground by means
the cable clamps "A".
User Manual SG Series 400 & 500 UL S2
JA
JB
the
RJ
and
JB
JA
JB
Page 35/41
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