X20 system modules • X20 CPUs • X20CP158x and X20CP358x
X20 system User's Manual 3.10
927
4.12.3.12 CPU supply
A power supply is integrated in the X20 CPUs. It has a feed for the CPU, the X2X Link and the internal I/O supply.
Supply for the CPU and X2X Link is electrically isolated.
Pinout
GND
+24 V I/O
+24 V I/O
GND
+24 V CP/X2X L.
+24 V CP/X2X L.
I
r
e
S
Reserved
Reserved
Reserved
Figure 306: X20 CPUs - Pinout of the integrated power supply
Connection examples
PS
GND
+24 VDC
+
_
+
_
I/O
supply
CPU / X2X Link
supply
10 A slow-blow
Figure 307: Connection example with 2 separate supplies
PS
GND
+24 VDC
+
_
I/O
supply
10 A slow-blow
Jumper
Figure 308: Connection example with a supply and jumper
