Pisa Slot - Beckhoff CB2050 Manual

PISA Slot

3.4 PISA Slot
The CB2050 module requires a backplane board in which it is inserted using the PISA slot. This slot
combines PCI and ISA signals in one single connector which is useful in situations where limited space is
an issue. The CB2050 currently supports only PCI.
N
OTE
Please note the unusual pin numbering scheme of the PISA slot. There is an "up row" (for ISA signals) and
a "low row" (for PCI signals). The former is divided into segments A through D while the latter is divided into
segments E through H (cf. the illustration above).
Pinout "up row":
Description
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
Beckhoff New Automation Technology CB2050
Name Pin
N/C A1
N/C A2
N/C A3
N/C A4
N/C A5
N/C A6
N/C A7
N/C A8
N/C A9
N/C A10
N/C A11
N/C A12
N/C A13
N/C A14
N/C A15
N/C A16
N/C A17
Name
B1 GND
B2 N/C
B3 VCC
B4 N/C
B5 -5V
B6 N/C
B7 -12V
B8 N/C
B9 12V
B10 GND
B11 N/C
B12 N/C
B13 N/C
B14 N/C
B15 N/C
B16 N/C
B17 N/C
Chapter: Connectors
Description
ground
reserved
5 volt supply
reserved
-5 volt supply
reserved
-12 volt supply
reserved
12 volt supply
ground
reserved
reserved
reserved
reserved
reserved
reserved
reserved
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