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Building Technologies
Basic Documentation LMV5...
CC1P7550en
HVAC Products
12 Mounting, electrical installation and service
11.12.2008
The maximum cable length between transformer and CAN bus users is dependent on
the type of cable (cross-sectional area), the number of actuators and the type of actua-
tor used (current).
The following graphs can be used to determine the maximum CAN bus cable lengths
between the transformer and group of actuators or the AZL5…, depending on the rele-
vant influencing factors.
The assumption was made that the actuators within the group are close to one another.
The
minimum
cross-sectional area for the system examples shown results from the
start of the curve.
The
maximum
cable lengths for the defined system cables AGG5.641 and AGG5.631
result from the points of intersection in the graph.
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
0.5
1.25
2
3
5
7
8
AGG5.631
AGG5.641
4
6
AGG5.631 (cable type 2)
AGG5.641 (cable type 1)
1
1 x SQM45...
2
2 x SQM45...
3
3 x SQM45...
4
4 x SQM45...
5
2 x SQM48...
7
2 x SQM45... + 1 x SQM48...
8
3 x SQM45... + 1 x SQM48...
6
1 x SQM45... + 1 x SQM48...
Cross-section area in mm
2
Ma
xi
mum
c
abl
e l
e
ng
th
in
m
7
550
d1
3e
/0
3
08
CAN bus connection between transformer and actuator group
When connecting a PLL52... O2 module, the maximum permissible cable
length of a network is to be reduced by 2 m.
Example:
- System cable:
AGG5.641 (connecting cable to the actuators)
- Actuators:
2 x SQM45...
The point of intersection of the vertical line for the AGG5.641 (1.25 mm
2
) and curve
c
(2 x SQM45...) gives a maximum cable length of 33.4 m between the transformer and
the group of actuators.
Determination of the
maximum cable length
Содержание TLX92R
Страница 45: ...Siemens LMV5x Service Manual M12920CC rev 2 1 08 2017...
Страница 52: ...8...
Страница 53: ...9 1 4 1 Servomotor wiring example 1 4 2 Bus cable wiring on LMV5x and AZL doors 1 4 3 EARTH connection example...
Страница 56: ...12 2 2 LMV5x program structure...
Страница 83: ...39...
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Страница 92: ...Note Specifications and data subject to change Errors and omissions excepted...
Страница 94: ...Annex1 Example for motor cable...
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Страница 96: ...Annex 2 Example for sensor cable...
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