Siemens SIMATIC IPC PX-39A - Bus Board

Hardware description
A.3 Bus board
SIMATIC IPC PX-39A
Operating Instructions, 08/2022, A5E51699601-AA
109
A.3 Bus board
A.3.1 Slot for expansion cards on the bus board
The bus board is designed as a link between the motherboard and the expansion cards.
The bus board is available in the following version:
Version with 1 slot
①
Slot X110 PCI Express x4 (mechanical x8)
②
Power supply connection; see Pin assignment power supply connection for expansion cards
(Page 109)
A.3.2 Pin assignment power supply connection for expansion cards
Pin
Name
Meaning
Input/Output
1
GND
Ground
-
2
+12 V
1
12 V voltage
Output
3
GND
Ground
-
4
+5 V
1
5 V voltage
Output
5
GND
Ground
-
6
+ 3.3 V
1
3.3 V voltage
Output
1
max. permitted current: 1 A; with this current requirement, the total current requirement of
the PCIe slot must not be exceeded.