Touch Panel Wiring - Siemens Desigo Touch Series Installation And Commissioning Instructions

Siemens
Building Technologies
2.6

Touch panel wiring

Grounding as per PELV Grounding as per PELV
Grounding as per SELV Grounding as per
T Safety transformer AC 230 V / AC 24 V as per EN 61 558 Safety transformer AC 230 V / AC 24 V as per EN 61 558
K Terminal block to star Terminal block to star-like distribution of AC 24 V and
N1 PXG3.W100 PXG3.W100
N2 PXM40/50 PXM40/50
F1 Extra Extra-low voltage fuse for max. power consumption at AC 24 V, low voltage fuse for max. power consumption at AC 24 V,
depending on line cross depending on line cross-section
Desigo Touch and Web Desigo Touch and Web
Compatibility & limitations Compatibility & limitations – Touch panel wiring
Reset
USB 2.0 ports (1 standard, 1 micro) USB 2.0 ports (1 standard, 1 micro)
Serial ports (15-pin DIN sub)
RJ45 LAN connection
24 V AC/DC terminal strip
rd
3 terminal is not connected.
Earth connection (bolted)
Use may vary as per local rules and/or conventions rules and/or conventions.
Reference point for ground Reference point for ground
When grounding the reference When grounding the reference
point (system neutral or symbol point (system neutral or symbol
^), note the following:
), note the following:
· As a rule, both grounding
As a rule, both grounding
(PELV) as well as non- (PELV) as well as non
grounding (SELV) the refe grounding (SELV) the refer-
ence point ^ of AC 24 V op-
ence point
erating voltage is allowed. erating voltage is allowed.
Local laws must be adhered Local laws must be adhered
to.
· To prevent earth loops, sy
To prevent earth loops, sys-
tems with tems with PELV must be
connected to ground in the connected to ground
system at one point only, system at one point only,
normally the transformer un- normally the transformer u
less indicated differently.. less indicated differently..
┴
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2014-08-15