ABB Busch-priOn Series Technical Reference Manual page 8

KNX Technical Reference Manual
Busch-priOn
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The right bus coupler
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Maximum number of Busch-priOn® devices per TP line
Number of Total number of
display combinations
combinations per
line
0
1
2
3
4
5
6
7
8
9
10 10 + 45
11 11 + 37
12 12 + 30
13 13 + 22
14 14 + 15
15
16
1 Composed of display combinations plus 1- to 3-gang combinations without
display with end strips
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Standard bus coupler, TP
STN1
Power coupler, TP
Power supply KNX
STN1
24 V DC power supply
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8 | 0073-1-7388 | KNX Technical Reference Manual
®
Total number of TP-
1
Power bus couplers
6120/13 per line
0 + 60 60
1 + 59 60
2 + 58 60
3 + 57 60
4 + 56 60
5 + 55 60
6 + 54 60
7 + 53 60
8 + 52 60
9 + 51 60
55
48
42
35
29
15 + 7 22
16 + 0 16
STN2
STN2
For the number of device
combinations see the table
above
Only one bus coupler is mounted behind every Busch-
priOn® combination. One standard bus coupler is adequate
for one 1-gang support frame. With the use of the 2-gang
carrier frame the more powerful power bus coupler must be
used.
The twisted pair version requires an external power pack for
this purpose. The table to the left describes the
corresponding device combinations.
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STN32
STN64