Digital I/O, 24 or 96 Lines, 5 V TTL/CMOS
24 or 96-Line Digital I/O
Driver Software
With NI-DAQ driver software, you can interactively configure your
devices, write custom programs, and easily perform digital I/O.
You can also use messaging so when an input port matches or
mismatches a user-defined pattern, NI-DAQ can perform another
Address Bus
Control Lines
Data Bus
I/O
Channel
Interface
Control Lines
Circuitry
IRQ
Data Bus
\
8
82C55
Digital
Interface
A
APC0 & APC3/
2
BPA
/
8
BPB
/
8
BPC
/
8
APA
/
8
APB
/
8
APC
/
8
programmed operation. This process eliminates polling, decreases the
load on the CPU and bus, and improves the efficiency of the system.
NI-DAQ also provides numerous example programs for LabVIEW and
other ADEs to quickly get you started with your application.
82C55
Digital
Interface
B
BPC0 & BPC3/
2
CPA
/
8
CPB
/
8
CPC
/
8
82C55
Digital
Interface
C
CPC0 & CPC3/
2
Data Acquisition and
Signal Conditioning
82C55
Digital
Interface
D
DPC0 & DPC3/
2
NI 6507/NI 6508 Devices Only
DPA
/
8
DPB
/
8
DPC
/
8
Figure 1. NI 650x Hardware Block Diagram
APC7
BPC7
APC6
BPC6
APC5
BPC5
APC4
BPC4
APC3
BPC3
APC2
BPC2
APC1
BPC1
APC0
BPC0
APB7
BPB7
APB6
BPB6
APB5
BPB5
APB4
BPB4
APB3
BPB3
APB2
BPB2
APB1
BPB1
APB0
BPB0
APA7
BPA7
APA6
BPA6
APA5
BPA5
APA4
BPA4
APA3
BPA3
APA2
BPA2
APA1
BPA1
APA0
BPA0
+5 V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CPC7
DPC7
CPC6
DPC6
CPC5
DPC5
CPC4
DPC4
CPC3
DPC3
CPC2
DPC2
CPC1
DPC1
CPC0
DPC0
CPB7
DPB7
CPB6
DPB6
CPB5
DPB5
CPB4
DPB4
CPB3
DPB3
CPB2
DPB2
CPB1
DPB1
CPB0
DPB0
CPA7
DPA7
CPA6
DPA6
CPA5
DPA5
CPA4
DPA4
CPA3
DPA3
CPA2
DPA2
CPA1
DPA1
CPA0
DPA0
+5 V
GND
PCI/PXI/CPCI/PCMCIA/ISA
I/O Connector
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
+5 VDC
1
3
5
7
2
4
6
8
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
Figure 2. NI 6508 I/O Connector
Figure 3. NI 6503 I/O Connector
Ordering Information
NI PCI-6503 .............................................................................777690-01
NI DAQCard-DIO-24..............................................................776912-01
NI PC-DIO-24 .........................................................................777368-01
NI PCI-DIO-96 ........................................................................777387-01
NI PXI-6508 .............................................................................777598-01
NI PC-DIO-96 .........................................................................777271-01
Includes NI-DAQ driver software
For information on extended warranty and value-added services, see page 20.
Recommended Configurations
Family
NI 6503
Device
PCI-6503
DAQCard-DIO-24
PC-DIO-24
PCI-DIO-96
PXI-6508
PC-DIO-96
Accessory
CB-50LP (777101-01)
CB-50LP (777101-01)
CB-50LP (777101-01)
SCB-100 (776990-01)
SCB-100 (776990-01)
CB-100kit (776455-02)
Cable
NB1 (180524-10)
PSH27-50F-D1 (776989-01)
NB1 (180524-10)
SH100-100-F (185095-02)
SH100-100-F (185095-02)
Included in kit
NI 6508
See page 382 for accessory and cable information.
BUY ONLINE!
Visit
ni.com/info
and enter pci6503, daqcarddio24, pcdio24, pcdio96,
pxi6508, or pcdio96.
380
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
NI [ NATIONAL INSTRUMENTS CORPORATION ]
