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Please comply with
these notes
Space requirements
Installation mode
Standard rails
Wall mounting
14 / 56
Siemens
Building Technologies
5
Installation box TRA
5.1
Installation box requirements
Please read Sections 5.1 "Installation box requirements" and 5.2 "EMC compliant
panel" in the TX-I/O engineering and installation guide [2] prior to engineering and
executing the installation box.
Observer the following for mounting and installation.
– Installation depth
– Maintain sufficient cable distance to be able to easily snap on and remove the
screw terminal blocks, even if the automation stations are mounted.
– Room automation stations can be mounted directly next to one another; a
distance of ca. 2 cm is recommended, however, for facilitate access.
– Reserve sufficient free space for subsequent extensions.
The room automation stations and TX-I/O modules are designed for installation on
standard rails (prerequisite to establishing the island bus connection using TX-I/O
modules).
Permissible standard rails:
• Top hat rails TH35-7.5 as per EN60715 (35 x 7.5 mm).
• Other top hat rails that meet the following conditions:
– Material thickness exterior max. 1 mm, min. 3 mm in depth
– Internal opening at least 25 mm.
35 ±
0,3
(25)
27 ±
0,2
min. 3
The room automation station may also be attached to a wall if used without TX-I/O
modules.
Mounting and installation
Installation box TRA
35
min. 25
35
min. 25
CM111043en_03
2013-02-23
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