Siemens SIMATIC NET SCALANCE XCH-100 Equipment Manual page 41

• For the cable supplying the power supply, use a cable with a length of max. 3 m.
• The power supply is connected using a 4-pin plug-in terminal block (spring-loaded terminal).
• The power supply can be connected redundantly. Both inputs are isolated. There is no
• The power supply is connected over a high resistance with the enclosure to allow an
• The "L1" and "L2" LEDs indicate the current range of the power supply, see the section "LED
• Note the wiring rules (Page 39).
Position and assignment
Figure 5-1
Contact
L1+
M1
M2
L2+
SCALANCE XCH-100/XCM-100
Equipment Manual, 11/2022, C79000-G8976-C662-01
The terminal block ships with the device and can also be ordered as a spare part, see section
"Product overview (Page 11)".
distribution of load. The power supply unit with the higher output voltage supplies the device
alone.
ungrounded set up. The two power inputs are non-floating.
display (Page 16)".
Position of the power supply on the SCALANCE XC-100 and the assignment of the
terminal block
Assignment
L1+ 19.2 to 54 V DC
Ground
Ground
L2+ 19.2 to 54 V DC
Connecting up
5.4 Power supply
41