ABB TLE Scalable Series Installation Manual page 41

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B
J1
J1B/1
Fig. 4.9.2-2 Bus connection on first and last units
B
J2
J1
J1B/2÷5
Fig. 4.9.2-3 Bus connection on intermediate units
A
J2
J1
J2
J1A/1
A
J2
J1
J1B/1
J1A/2÷5
TLE Scalable Series 40 to 150 UL S1
SW1
J1A/1
SW1
UPS Installation Guide / REV-B
Note!
Final units, first and
last, of an RPA Parallel
System.
On the two boards
– IM0222 – Bus Interface Board,
of the first and last units of an
RPA Parallel System, the switches
must
SW1-1/2/3/4/5/6
position ON (see Fig. 4.9.2-2).
Note!
Intermediate units of
an RPA
System.
On the two boards P13/P14 –
IM0222 – Bus Interface Board, of
the intermediate units of an RPA
Parallel System, the switches SW1-
1/2/3/4/5/6 must be in position
OFF (see Fig.4.9.2-3).
P13/P14
be in
Parallel