CP 1628
Operating Instructions, 06/2021, C79000-G8976-C280-09
15
Hardware installation
4
Note on lightning protection
Note
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:
12 - 24 VDC: VT AD 24V Art. No. 918 402
Vendor: DEHN+SÖHNE GmbH+Co.KG, Hans Dehn Str. 1, Postfach 1640, D - 92306 Neumarkt,
Germany
Number of permitted communications processors
Note
A maximum of four CP 1628 modules can be installed in one PG/PC. 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 using the maximum number of
modules, so that the operating temperature does not exceed 55 °C.
If you have installed the SIMATIC NET PC software, you can check the operating temperature
of the module with the "Communication Settings" 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
).