X20 system modules • Bus controllers System modules • X20PS9400
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X20 system User's Manual 3.10
4.6.3.5 Pinout
Reserved
Reserved
Reserved
S
r
I
e
X
20
P
S
9
40
0
RS232 GND
RS232 RxD
RS232 TxD
GND
+24 V I/O
+24 V I/O
GND
+24 V BC/X2X L.
+24 V BC/X2X L.
Figure 221: Pinout
4.6.3.6 Using the service interface
The RS232 service interface is not for use in a machine or system application. It is only intended to be used to
update the firmware on various bus controllers and X2X modules as well as to save settings.
4.6.3.7 Connection examples
With 2 separate supplies
PS
GND
+24 VDC
+
_
+
_
I/O
Power supply
BC/X2X Link
Power supply
10 A slow-blow
Figure 222: Connection example with 2 separate supplies
Summary of Contents for X20 System
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