National Instruments NI 653x Bedienungsanleitung
USER GUIDE
NI 653xCable Adapter
The NI 653xcable adapter interfaces with National Instruments high-speed
digital I/O (DIO) devices. The cable adapter provides an easy way to
connect the Very High Density Connector Interface (VHDCI) connectors,
labeled as Digital Data & Control, on the newer NI 6535/6536/6537
devices to the 68-pin DAQ connectors found on older NI 6533/6534
accessories and fixturing. The 653xcable adapter is also compatible with
the NI 654xand NI 655xdigital pattern generator/analyzer devices.
For best signal integrity, NI recommends using the NI 6535/6536/6537
devices with newer accessories such as the NI CB-2162 and NI SMB-2163.
This guide explains how to set up and use the NI 653xcable adapter.
Contents
What You Need to Get Started ............................................................... 2
Related Documentation........................................................................... 2
Parts Locator Diagram ............................................................................ 3
Installing Cables...................................................................................... 4
Removing the NI 653xCable Adapter from its Enclosure ..................... 5
Connecting Signals ................................................................................. 6
Custom Wiring Example ................................................................. 11
Specifications .......................................................................................... 13
Digital I/O ........................................................................................ 13
Traces............................................................................................... 13
Power ............................................................................................... 13
Physical............................................................................................ 13
Where to Go for Support......................................................................... 14
NI 653x Cable Adapter User Guide 2 ni.com
What You Need to Get Started
To set up and use the NI 653xcable adapter, you need the following items:
❑NI SHC68-C68-D2 or NI C68-C68-D4 cable assembly
(for NI 6535/6536/6537/654x/655xdevices)
❑Compatible NI high-speed digital I/O device
(NI 6535/6536/6537/654x/655x)
❑(Optional) 22- to 26-gauge wire
❑(Optional) The documentation included with the NI high-speed DIO
device and the driver software included with your device
❑(Optional) NI 6533 or NI 6534 supported terminal block
Related Documentation
National Instruments high-speed DIO devices ship with several documents
designed to familiarize you with different aspects of the device. The titles
and location of the documents vary based on the 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
high-speed DIO device 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 high-speed DIO device, 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.
©National Instruments Corporation 3 NI 653x Cable Adapter User Guide
Parts Locator Diagram
Refer to Figure 1 to locate connectors and components on the NI 653x
cable adapter.
Figure 1. NI 653xCable Adapter Parts Locator Diagram
1 Enclosure Base
2 Jacksockets (M2.5 Screw, #2-56 Socket)
3 68-Pin DAQ Connector
4 Enclosure Top Cover
5 M2.5 x 6 mm Philips Flathead Countersunk Screws
6 Terminal Connectors
7 VHDCI Connector
8 #2-56 Custom Screw
1
2
4
5
8
6
3
7
NATIONAL
INSTRUMENTS
653X CABLE ADAPTER
Remove screws on this side of
enclosure to access terminals.
NI 653x Cable Adapter User Guide 4 ni.com
Installing Cables
An SHC68-C68-D2 or C68-C68-D4 cable connects the NI 653xcable
adapter to the NI high-speed DIO device. Figure 2 shows how to install the
cable.
Figure 2. Connecting a SHC68-C68-D2 or C68-C68-D4 Cable
to the NI 653xCable Adapter
Caution Before connecting the cable, disconnect power from the NI device and any other
connected hardware to prevent damage to the hardware and personal injury. NI is not liable
for damage resulting from improper connections.
Refer to Figure 2 as you complete the following steps to install the cable
adapter:
1. Insert the cable into the cable adapter.
2. Tighten the cable jackscrews.
Caution Before attaching any cables or accessories, install the NI high-speed DIO device.
Refer to the Getting Started Guide that shipped with your device for instructions on
installing the device.
1 PC Chassis with NI High-Speed DIO Device
2 Cable Assembly
3 Cable Jackscrews
4 NI 653xCable Adapter
DIGITAL DATA & CONTROL
4
2
NI PCIe-
653x
1
3
NATIONAL
INSTRUMENTS
653X CABLE ADAPTER
Remove screws on this side of
enclosure to access terminals.
©National Instruments Corporation 5 NI 653x Cable Adapter User Guide
Removing the NI 653xCable Adapter from its Enclosure
You will need to remove the NI 653xcable adapter from its enclosure to
connect signals. To remove the cable adapter from its enclosure, complete
the following steps:
1. Remove the screws from the cable adapter enclosure top cover,
as shown in Figure 3.
Figure 3. Remove Screws from the Enclosure
2. Remove the enclosure top cover.
Note Be sure to remove the screws from side with the NI logo label, as shown in Figure 3.
1 M2.5 x 6 mm Philips Flathead Countersunk Screws
1
NATIONAL
INSTRUMENTS
653X CABLE ADAPTER
Remove screws on this side of
enclosure to access terminals.
NI 653x Cable Adapter User Guide 6 ni.com
Connecting Signals
The NI 653x cable adapter provides connectivity to up to 32 of the
single-ended DIO channels of an NI high-speed DIO device. Each DIO,
PFI, and clock channel of the NI high-speed DIO device connects to a
corresponding pin on the NI 653xcable adapter. The 32 DIO channels are
directly connected between the two bulk connectors. PFI <0..5> from the
NI 6535/6536/6537 VHDCI connector are connected to a 6-position screw
terminal. PFI <0..7> from the NI 6533/6534 68-pin DAQ connector are
connected to an 8-position screw terminal.
PFI channels must be manually connected through screw terminals for
flexibility and to ensure correct signal routing. You can make connections
between the PFI channels using 22- to 26-gauge wire.
The NI 6533/6534 devices have specific applications for PFI channels and
thus require custom wiring to be compatible. An example of how to make
these connections is provided in the Custom Wiring Example section.
Figure 4 shows the screw terminal locations on the NI 653xcable adapter.
Figure 4. NI 653xSignal Connections
6535/6/7 PFI
5
4
3
2
1
0
5
4
3
2
1
0
6
7
6533/4
PFI
J1 J4
J3
J2
C1
W1
GND +5V
©National Instruments Corporation 7 NI 653x Cable Adapter User Guide
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.
Figures 5 and 6 show pinouts for the VHDCI connector and 68-pin DAQ
connector, respectively.
Figure 5. VHDCI Connector Pinout (NI SHC68-C68-D2 or NI C68-C68-D4 Cable)
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 653x Cable Adapter User Guide 8 ni.com
Figure 6. 68-pin DAQ Connector (NI 6533/6534 Fixture or Accessory)
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
+5 V
PFI 2
PFI 6
PFI 0
PFI 4
PFI 5
PFI 1
PFI 7
PFI 3
P0.0
GND
P0.3
P0.4
GND
P0.7
P1.0
P1.1
GND
R GND
GND
P1.6
P1.7
P2.0
GND
P2.3
P2.4
GND
P2.7
P3.0
GND
P3.3
P3.4
GND
P3.7
R GND
GND
GND
D PULL
GND
C PULL
GND
GND
R GND
P0.1
P0.2
GND
P0.5
P0.6
GND
GND
P1.2
P1.3
P1.4
P1.5
GND
R GND
P2.1
P2.2
GND
P2.5
P2.6
GND
P3.1
P3.2
GND
P3.5
P3.6
GND
©National Instruments Corporation 9 NI 653x Cable Adapter User Guide
Table 1 describes the VHDCI signals shown in Figure 5. Table 2 describes
the DAQ connector signals shown in Figure 6.
Note Refer to your device documentation for supported channels.
Note The NI 6535/6536/6537/654x/655xdoes not provide +5 V. If your fixtures require
this, access to the +5 V signal on the DAQ connector is provided through the unpopulated
W1 through-hole solder pad.
Table 1. VHDCI Connector Pinout Descriptions (NI 6535/6536/6537/654x/655x)
Pin Signal Description Connection
DIO <0..31> Bidirectional digital data channels 0 through 31. P0 <0..7>, P1 <0..7>,
P2 <0..7>, or P3 <0..7>
on a 68-pin DAQ
connector
PFI <0..5> Programmable functional interface (PFI) channels 0
through 5.
6-position screw
terminal (J4)
GND Ground reference for signals. —
RESERVED These channels are reserved for system use.
Do not connect signals to these channels.
—
Table 2. DAQmx Connector Pinout Descriptions (NI 6533/6534)
Pin Signal Description Connection
P0 <0..7> Bidirectional digital data port 0 channels 0 through 7. VHDCI DIO <0..7>
P1 <0..7> Bidirectional digital data port 1 channels 0 through 7. VHDCI DIO <8..15>
P2 <0..7> Bidirectional digital data port 2 channels 0 through 7. VHDCI DIO <16..23>
P3 <0..7> Bidirectional digital data port 3 channels 0 through 7. VHDCI DIO <24..31>
PFI <0..7> Programmable functional interface (PFI) channels 0
through 7.
8-position screw
terminal (J3)
+ 5 V DC power Unpopulated W1
C PULL,
DPULL
Power on state control NC
NI 653x Cable Adapter User Guide 10 ni.com
Caution Connections that exceed any of the maximum ratings for the NI 653xcable
adapter or the NI high-speed DIO device can damage the device and the computer.
Maximum input ratings are provided in the Specifications section and in the specifications
document that shipped with the NI high-speed DIO device. NI is not liable for any damage
resulting from such signal connections.
Table 3 shows the relationship between PFI channels and the termination
sockets.
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.
Table 3. PFI Screw Terminals
Connector Channel Socket
VHDCI
(NI 6535/6536/6537/654x/655x)
PFI <0..5> J4
68-Pin DAQ Connector
(NI 6533/6534)
PFI <0..7> J3
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