Siemens SCALANCE X-300EEC, Краткое руководство по эксплуатации

Страница: 22 / 84

NOTICE
The C-PLUG may only be removed or inserted when the power supply to the device is turned
off.
In a device with a varnished printed circuit board, you may only use a C-PLUG with a
varnished board.
To remove the C-PLUG, open the slider and close it again after inserting the C‑PLUG.
Terminal block for signaling contact and power supply
The terminal block of the X‑300EEC for connecting the signaling contact and power supply has
the following terminals:
● F1, F2: Signaling contact
The 2 signaling contacts on the device version with a redundant power supply are energized
in parallel.
● L1, M1: Power supply 1
● L2, M2: Power supply 2 (redundant version)
The power supply units for the power supply are available in the following versions:
– 24 to 48 VDC
– As multirange power supply unit 100 to 240 VAC / 60 to 250 VDC
RJ-45 interface
The RJ-45 ports of the IE Switch X‑300EEC are fitted with a securing bracket instead of a
securing collar.
To increase mechanical stability, secure the IE FC RJ-45 PLUGs to this securing bracket with
a cable binder.
Description of the device
4.2 Product properties and device views
SCALANCE X-300EEC
22
Compact Operating Instructions, 11/2019, A5E02630809-14