Signal Connections; I/O Connector; Figure 3-1. I/O Connector Pin Assignments; Chapter 3 Signal Connections - National Instruments Corporation DAQCard-500 User Manual

Chapter 3

Signal Connections

This chapter describes the signals on the PR27-30F I/O connector and the CB-27 connector
block, optional accessories available from National Instruments. Appendix C, Custom Cable
Design, contains information and guidelines for the design of custom cables. Appendix F,
PSH27-50F Signal Connections, contains information for using the the PSH27-50F and the
CB-50 connector block, optional accessories available from National Instruments.
I/O Connectors
Figure 3-1 shows the pin assignments for the PR27-30F I/O connector and CB-27 connector
block. Although the pin arrangements on these connectors differ, notice that the signal names
and pin numbers are the same.
Warning: Connections that exceed any of the maximum ratings of input or output signals on
the DAQCard-500 can damage the DAQCard-500 and your computer. This
includes connecting any power signals to ground and vice versa. National
Instruments is
DIN1
DIN0
EXTCONV*
ACH7
ACH6
ACH5
ACH4
ACH3
ACH2
ACH1
ACH0
AIGND
AIGND
a. CB-27 Connector Block
© National Instruments Corporation
liable for any damages resulting from such signal connections.
NOT
13 27
DGND
12 26
OUT2
11
25 CLK2
10 24
GATE2
+5 V
9 23 OUT1
8 22 CLK1
7 21
DGND
6 20
1 MHz
5 19 DOUT3
DOUT2
4 18
DOUT1
3
17
2 16 DOUT0
1
15 DIN3
14 DIN2
1

Figure 3-1. I/O Connector Pin Assignments

2 1
ACH0
4 3
ACH2
6 5
ACH4
8 7
ACH6
10 9
+5 V
12 11
DIN0
14 13
DIN2
16 15
DOUT0
18 17
DOUT2
20 19
1MHz
CLK1
22 21
24 23
GATE2
26 25
OUT2
28 27
NC
30 29
NC
b. PR27-30F Cable
3-1
AIGND
ACH1
ACH3
ACH5
ACH7
EXTCONV*
DIN1
DIN3
DOUT1
DOUT3
DGND
OUT1
CLK2
DGND
NC
DAQCard-500 User Manual