National Instruments NI PCI-6110 - Manual (Page 33)

Chapter 4 Connecting Signals
© National Instruments Corporation 4-3 NI PCI-6110/6111 User Manual
Figure 4-2. 50-Pin Connector Pin Assignments for the NI PCI-6110/6111
I/O Connector Signal Descriptions
Table 4-2. Signal Descriptions for I/O Connector Pins
Signal Name Reference Direction Description
ACH<0..3>GND — — Analog Input Channels 0 through 3 ground—These pins
are the bias current return point for differential
measurements. ACH<2..3>GND signals are no connects
on the NI PCI-6111.
ACH<0..3>+ ACH<0..3>GND Input Analog Input Channels 0 through 3 (+)—These pins are
routed to the (+) terminal of the respective channel
amplifier. ACH<2..3>+ signals are no connects on the
NI PCI-6111.
DIO1
1 NC on NI PCI-6111
DIO3
DIO4
DIO6
DIO7
DGND
+5 V
DIO2
DIO5
+5 V
SCANCLK
EXTSTROBE*
PFI0/TRIG1
PFI1/TRIG2
PFI2/CONVERT*
PFI3/GPCTR1_SOURCE
PFI4/GPCTR1_GATE
GPCTR1_OUT
PFI5/UPDATE*
PFI6/WFTRIG
PFI7/STARTSCAN
PFI8/GPCTR0_SOURCE
PFI9/GPCTR0_GATE
GPCTR0_OUT
FREQ_OUT
ACH<0..3>GND
ACH<0..3>GND
ACH0+
ACH0–
ACH1+
ACH1–
ACH2+ 1
ACH2– 1
ACH3+ 1
ACH3– 1
PFI0/TRIG1
NC
NC
NC
NC
NC
NC
NC
NC
DAC0OUT
DAC1OUT
NC
AOGND
DGND
DIO0
1 26
2 27
3 28
4 29
5 30
6 31
7 32
8 33
9 34
10 35
11 36
12 37
13 38
14 39
15 40
16 41
17 42
18 43
19 44
20
21
22
23
24
25
45
46
47
48
49
50