Owner's manual

Signal Connections 17
3 Signal Connections
This chapter describes the connectors of the PXI-2020/2022, and
the signal connection between the PXI-2020/2022 and external
devices.
3.1 Connectors Pin Assignment
The PXI-2020/2022 is equipped with one 68-pin VHDCI-type con-
nector (ACL-10568-1). It is used for digital input/output, analog
input, and ti-mer/counter signals, etc. The pin assignments of the
connectors are de-fined in Table 3-1 and Figure 3-2.
Connector Pin Assignment
Pin # Pin #
DGND 34 68 DGND
DIO1 33 67 DIO0
DIO3 32 66 DIO2
DGND 31 65 AFI0/AD TRIG Out
AFI1/AD TIMER OUT 30 64 AFI2/GPTC_CLK0
DGND 29 63 AFI3/GPTC_GATE0
AFI4/GPTC_CLK1 28 62 AFI5/GPTC_GATE1
AFI6/GPTC_Out1 27 61 AFI7/GPTC_Out0
NC 26 60 NC
NC 25 59 NC
AIL0 24 58 AIH0
AIL8 23 57 AIH8
AGND 22 56 AGND
AIL1 21 55 AIH1
AIL9 20 54 AIH9
AGND 19 53 AGND
AIL2 18 52 AIH2
AIL10 17 51 AIH10
AGND 16 50 AGND
AIL3 15 49 AIH3
Table 3-1: PXI-2020/2022 68-pin VHDCI-type Pin Assignment