CP 1623
Operating Instructions, 11/2022, C79000-G8976-C304-04
15
Hardware installation
Note on lightning protection
The requirements of EN61000
-4-5, surge immunity tests on power supply lines, are met only
when a Blitzductor is used with 12 to 24 VDC:
Vendor: DEHN+SÖHNE GmbH+Co.KG, Hans Dehn Str.
1, Postfach 1640, D - 92306 Neumarkt,
Number of permitted communications processors
A maximum of four CP 1623 modules can be installed in one PG/PC at the same time. Take
into account the technical specifications of the power supply for the PCI slots of the PG/PC.
Make sure that there is adequate ventilation, especially when usin
g the maximum number of
modules, so that the maximum operating temperature of 55 °C is not exceeded.
If you have installed the "SIMATIC NET PC Software", you can check the operating
temperature of the communications processor with the "Communication Setti
ngs"
configuration tool on the "Operating data" properties page.
Notes on passive network components
You will find important notes on the use of passive network components in the document
"Industrial Ethernet / PROFINET Passive Network Components
(https://support.industry.siemens.com/cs/ww/en/view/84922825
)".