5.3.2
Supply for X208PRO
Power supply for X208PRO
With the IE switch SCALANCE X208PRO, the power supply is connected via two 4-pin a-coded
M12 sockets.
• The power supply can be connected redundantly.
– Both inputs are isolated.
– No load distribution.
– The power supply unit with the higher output voltage supplies the device alone.
• Power: 24 VDC
• The power supply is connected over a high resistance with the enclosure to allow an
ungrounded set up.
• The power supply is non-floating.
• The signal cables of the electrical Ethernet interfaces are floating.
The following table shows the pin assignment:
Pin no.:
Assignment
1
L1 or L2: 24 VDC
2
3
1
4
2
n. c.
3
M1 or M2
4
n. c.
5.3.3
Supply for IRT-PRO devices
Power supply for the devices of the IRT PRO version
The following descriptions of the power supply apply to the following devices:
• X201-3P IRT PRO
• X202-2P IRT PRO
• X204IRT PRO
Connector
Plastic version (standard)
The power supply is connected by default via the push-pull Power Plug PRO. This plug has a high
degree of protection (IP65) and is suitable for use outside cabinets and complies with PROFINET
connector technology.
The Power Plug PRO does not ship with the device, see the section “Accessories (Page 26)“:
Connecting up
5.3 Power supply
SCALANCE X-200
64
Operating Instructions, 11/2021, C79000-G8976-C284-15