NI CB-2162 Manual de usuario
USER GUIDE
NI CB-2162
Single-Ended Digital I/O Accessory
The NI CB-2162 is a connector block and prototyping board for
National Instruments digital waveform generator/analyzer modules.
The NI CB-2162 provides an easy way to complete the following tasks:
• Terminate digital I/O (DIO) and control channels
• Connect to other devices for testing and debugging
• Develop and interface to prototype circuits
• Probe DIO and control channels
This guide explains how to set up and use the NI CB-2162 single-ended
DIO accessory.
Contents
What You Need to Get Started ............................................................... 2
Related Documentation........................................................................... 3
Parts Locator Diagram ............................................................................ 4
Installing Cables...................................................................................... 5
Connecting Signals ................................................................................. 6
Terminating Signals ................................................................................ 12
Using the NI CB-2162 Prototyping Area................................................ 15
Mounting the NI CB-2162 in an Enclosure ............................................ 17
Specifications .......................................................................................... 21
Where to Go for Support......................................................................... 22
NI CB-2162 User Guide 2 ni.com
What You Need to Get Started
To set up and use the NI CB-2162, you need the following items:
❑NI SHC68-C68-D2 or NI C68-C68-D4 cable assembly
❑Compatible NI digital waveform generator/analyzer module installed
in a PXI chassis, compact PCI chassis, or desktop PC
You also may need the following optional items:
❑Resistors and 10-pin single-inline packaged resistor networks for
pull-up/pull-down and series termination
❑The NI CB-2162 ships populated with a 0 Ωresistor. A 50 Ωresistor
also is included for optional STROBE/PFI 5 series termination.
❑30-gauge wire
❑Wire-wrap tool
❑1 × 2 header receptacle(s)
❑DC power supply for the prototyping area
❑CA-1000 (NI part number 777664-01), rack-mount side panels
(NI part number 777665-01), and an NI CB-2162 CA-1000 mounting
kit for mounting the NI CB-2162 in an enclosure
❑The documentation included with the digital waveform
generator/analyzer module and the driver software included with your
NI device
©National Instruments Corporation 3 NI CB-2162 User Guide
Related Documentation
National Instruments digital waveform generator/analyzer modules ship
with several documents designed to familiarize you with different aspects
of the module. The titles and location of the documents vary based on the
instrument driver that supports the NI device, but you should have the
following types of documentation:
• Getting Started Guide—This printed document should be the first
thing you read. Its purpose is to guide you through setting up the
digital waveform generator/analyzer module and configuring it to
generate or acquire your first samples.
• Help—This online document provides more in-depth information
about the hardware capabilities of the digital waveform
generator/analyzer module, theory of operation discussion, and
information on programming flow and software reference.
• Specifications—This printed document provides specifications for the
NI hardware.
Visit ni.com/manuals for the most current documentation.
You also may have documentation for any application development
environment (ADE) you are using.
NI CB-2162 User Guide 4 ni.com
Parts Locator Diagram
Refer to Figure 1 to locate connectors and components on the NI CB-2162.
Figure 1. NI CB-2162 Parts Locator Diagram
1 68-Pin Digital Data & Control (DDC) Connector
2 Termination Sockets
3 Control and Ground Header Pairs
4 Prototyping Area Power Connectors
5 Prototyping Area Power LED
6 Prototyping Area Power and Ground Solder Pads
7 Prototyping Area
8 Labeling Strips
9 DIO and Ground Header Pairs
J15
1
J3
J4
4
3
2
9
7
5
8
6
4/DDC
CLKOUT 5/
STROBE
F6 F5 F4 F3 F2 F1
©National Instruments Corporation 5 NI CB-2162 User Guide
Installing Cables
A cable connects the NI CB-2162 to the digital waveform
generator/analyzer. Figure 2 shows how to install a cable.
Figure 2. Connecting a 68-Pin Digital Waveform Generator/Analyzer to the CB-2162
Refer to Figure 2 as you complete the following steps to install the
supported cable:
Caution Before connecting the cable, disconnect power from the module, accessory, and
any other connected hardware to prevent damage to the hardware and personal injury. NI is
not liable for damage resulting from improper connections.
1. Install NI-HSDIO or NI-DAQmx and the digital waveform
generator/analyzer by following the installation procedure in the
Getting Started Guide that shipped with your device.
1 PXI Chassis with NI Digital Waveform
Generator/Analyzer
2 Cable
3 NI CB-2162 Accessory
NI PXIe-6536
25 MHz Digital I/O
DIGITAL DATA & CONTROL
ACCESS ACTIVE
NI PXI-1042
3
2
J15
J3
J4
4/DDC
CLKOUT
5/
STROBE
F6 F5 F4 F3 F2 F1
1
NI CB-2162 User Guide 6 ni.com
Caution Before attaching any cables or accessories, install the digital waveform
generator/analyzer. Refer to the Getting Started Guide that shipped with your device for
instructions on installing the module.
2. Attach either end of the cable assembly to the DDC connector of the
digital waveform generator/analyzer module and secure the cable with
the captive screws on the cable connector.
3. Attach the other end of the cable assembly to the DDC connector of the
NI CB-2162 and secure them together with the captive screws on the
cable connector.
Connecting Signals
Each DIO, PFI, and clock channel of the digital waveform
generator/analyzer connects to a corresponding pin on the NI CB-2162.
Refer to Figure 1 for the location of these pins on the NI CB-2162.
Caution Before powering down the digital waveform generator/analyzer module, remove
power from the prototyping area of the NI CB-2162. NI is not liable for any damage
resulting from improper signal connections.
©National Instruments Corporation 7 NI CB-2162 User Guide
Figure 3 shows the DDC connector pinout of the NI CB-2162.
Figure 3. NI CB-2162 DDC Connector Pinout
Note Refer to the help file for your device for information about the number of available
DIO channels on your device. DIO <20..31> or PFI_0 may not be applicable to your
device. The function of DDC CLK OUT/PFI_4 and STROBE/PFI_5 may be unique to
your device.
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
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
DIO 31
GND
DIO 29
GND
DIO 27
GND
DIO 25
RESERVED
DIO 23
GND
DIO 21
GND
DIO 19
GND
DIO 17
GND
DIO 15
GND
DIO 13
GND
DIO 11
GND
DIO 9
GND
DIO 7
PFI 1
DIO 5
GND
DIO 3
PFI 3
DIO 1
GND
DDC CLK OUT/PFI_4
GND
DIO 30
GND
DIO 28
GND
DIO 26
GND
DIO 24
GND
DIO 22
GND
DIO 20
GND
DIO18
GND
DIO 16
GND
DIO 14
RESERVED/PFI_0
DIO 12
GND
DIO 10
GND
DIO 8
GND
DIO 6
RESERVED
DIO 4
GND
DIO 2
PFI 2
DIO 0
GND
STROBE/PFI_5
GND
NI CB-2162 User Guide 8 ni.com
Table 1 describes the DDC signals shown in Figure 3.
The NI CB-2162 provides connectivity to up to 32 of the single-ended
DIO channels of an NI digital waveform generator/analyzer. The 32 DIO
channels are divided into two bundles of 16 × 2 header pins. Each bundle
is grouped by signal and ground pairs. The ground pins provide ground
return paths for the DIO channels.
You can make connections to the DIO channels, the PFI channels,
DDC CLK OUT/PFI_4, or STROBE/PFI_5 on the NI CB-2162 using a
1 × 2 header receptacle, ribbon cable, a wire-wrap technique, or by
soldering directly to the pins. Examples of how to make these connections
are provided in the following sections.
Caution Connections that exceed any of the maximum ratings for the NI CB-2162 or the
NI digital waveform generator/analyzer module can damage the module and the computer.
Maximum input ratings are provided in the Specifications section and in the specifications
document that shipped with the digital waveform generator/analyzer. NI is not liable for
any damage resulting from such signal connections.
Table 1. DDC Connector Pinout Descriptions
DDC Pin Signal Description
DIO <0..31> Bidirectional digital data channels 0 through 31.
STROBE/PFI_5 External sample clock source for pattern
acquisition or general-purpose PFI*.
DDC CLK
OUT/PFI_4
Exported sample clock signal or general-purpose
PFI.
PFI <0..3> Programmable functional interface (PFI)
channels 0 through 3.
GND Ground reference for signals.
RESERVED These channels are reserved for system use.
Do not connect signals to these channels.
*Refer to your device documentation for support.
©National Instruments Corporation 9 NI CB-2162 User Guide
Using 1 × 2 Header Receptacles
Each signal and ground header pair is labeled on the NI CB-2162 and in
Figure 1. These header pairs are arranged so that you can make quick
connections using a 1 × 2 header receptacle to a coaxial cable assembly.
Note Header receptacle assemblies are not included with the NI CB-2162, but you can
create custom assemblies by purchasing parts from vendors such as 3M.
Connectivity is made by inserting the receptacle onto the appropriate
header pair. Refer to the receptacle documentation to assure that proper
connections are made to signal and ground.
Figure 4 shows how to make 1 × 2 header receptacle connections.
Figure 4. 1 × 2 Header Receptacle
1 1 × 2 Header Receptacle 2 Header Pin Pair
2
1
DIO
NI CB-2162 User Guide 10 ni.com
Using a Ribbon Cable
The header pairs on the NI CB-2162 are available for single wire probing.
You also can use 32-pin ribbon cables to easily connect a large number of
channels to other devices. Cable type and quality can dramatically affect
how well the signal integrity is maintained. NI recommends using short
twisted-pair ribbon cables.
Refer to the device or cable manufacturer for additional information on
proper connectivity to the NI CB-2162 signal and ground connections.
Figure 5 shows how to connect a ribbon cable to the accessory.
Figure 5. Using a Ribbon Cable with the NI CB-2162
J15
J5
J6
4/DDC
CLKOUT 5/
STROBE
F6 F5 F4 F3 F2 F1
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