National Instruments SCB-19 Manual de usuario
USER GUIDE
SCB-19
Noise Rejecting, Shielded AUX I/O Connector Block
This document explains how to connect and use the SCB-19 with AUX I/O connectors on
National Instruments hardware.
Figure 1. SCB-19 Connector Block
1
2
2
1. SCB-19
2. Cover screws
Other Equipment
There are several required items not included in your SCB-19 kit that you need to operate the
SCB-19.
Required Items
• NI hardware with compatible 19-pin AUX I/O connector
• Cable assembly
– For NI hardware with standard HDMI connectors: SHH19–H19–AUX shielded
single-ended cable (NI part number 152629-0x)
– For NI hardware with mini HDMI connectors: SHH19-MH19-AUX shielded single-
ended cable (NI part number 784091-01)
Note The specified performance of the AUX I/O connector is not guaranteed
if a third-party HDMI cable is used. Use one of the recommended cables for all
AUX I/O connections.
• Phillips #1 screwdriver
• 0.125 in. flathead screwdriver
• Shielded, multiconductor cable with 14–30 AWG wire
• Wire cutters
• Wire insulation stripper
Visit ni.com for more information about these additional items.
2| ni.com | SCB-19 User Guide
Screw Terminal Diagram
Refer to the following figure for information about the interior of the SCB-19 when
connecting the SCB-19.
Figure 2. Interior of the SCB-19
S/N
J2 J1J1
3
3
4
5
1
2
1. I/O screw terminals
2. Ground terminals
3. Wall mounting screw holes
4. Cable tie loops
5. Cable tie
Getting Started with the SCB-19
Complete the following steps to connect and use the SCB-19 with NI hardware:
Install your NI hardware in a chassis. Refer to the hardware documentation for your product(s)
for installation instructions.
1. Remove the four cover screws with a Phillips #1 screwdriver and open the top cover, as
shown in Figure 1.
2. Connect wires to the screw terminals.
Caution To ensure the EMC performance specified for the connected
hardware, any wires connected to screw terminals that exit the enclosure must
be shielded. NI recommends using a multiconductor cable with an overall
shield. Terminate the cable shield to one of the PCB mounting screws.
a) Strip 6.35 mm (0.25 in.) of insulation from the wires.
b) Insert the wires into the screw terminals.
SCB-19 User Guide | © National Instruments | 3
c) Securely tighten the screws with the flathead screwdriver to a torque of
0.5 N · m to 0.6 N · m (4.43 lb · in. to 5.31 lb · in.).
Tip You can neaten the wires and provide mechanical support by sliding a
cable tie through one of the slots shown in Figure 2, wrapping the cable tie
around the wires, and tightening the cable tie.
3. Close the top cover and tighten the four cover screws.
4. Caution Refer to the documentation for the hardware you connect the
SCB-19 to for maximum voltage specifications. Using voltages outside of the
specified range could damage the SCB-19 and any instruments connected to it.
NI is not liable for any damage resulting from using voltages outside of the
recommended range.
Connect the SCB-19 to the AUX I/O connector on your NI hardware using an
SHH19–H19–AUX or SHH19-MH19-AUX cable and tighten the target screw, as shown
in the following figure.
Figure 3. SCB-19 Cable Connection
1
2
3
1. SCB-19
2. Target screw
3. Cable assembly
When you have finished using the SCB-19, power off any external signals connected to the
SCB-19 before you power off your computer.
Caution Clean the hardware with a soft, nonmetallic brush. Make sure that the
hardware is completely dry and free from contaminants before returning it to
service.
4| ni.com | SCB-19 User Guide
Mounting Holes
You can mount the SCB-19, either vertically or horizontally, on a DIN rail in an industrial
environment.
You can purchase a compatible DIN rail kit from NI using the part number 781740-01.
The SCB-19 also has two screw holes for a generic wall mount. These wall mount holes are
designed for use with a #4 or #6 panhead screw with a minimum length of 15.88 mm
(0.625 in.).
Figure 4. SCB-19 Mounting Screw Holes
2
2
63.5 mm (2.5 in.)
1
1. DIN rail mounting screw holes
2. Wall mounting screw holes
Physical Characteristics
Dimensions 8.7 cm × 8.7 cm × 3.1 cm
(3.4 in. × 3.4 in. × 1.2 in.)
Weight 355 g (12.5 oz)
Connector type H19
Screw terminals
SCB-19 User Guide | © National Instruments | 5
Environment
Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient
temperature)
Pollution Degree 2
Indoor use only.
Operating Environment
Ambient temperature range 0 °C to 55 °C (Tested in accordance with
IEC 60068-2-1 and IEC 60068-2-2. Meets
MIL-PRF-28800F Class 3 low temperature
limit and MIL-PRF-28800F Class 2 high
temperature limit.)
Relative humidity range 10% to 90%, noncondensing (Tested in
accordance with IEC 60068-2-56.)
Storage Environment
Ambient temperature range -20 °C to 70 °C (Tested in accordance
with IEC 60068-2-1 and IEC 60068-2-2. Meets
MIL-PRF-28800F Class 3 limits.)
Relative humidity range 5% to 95%, noncondensing (Tested in
accordance with IEC 60068-2-56.)
Shock and Vibration
Operating shock 30 g peak, half-sine, 11 ms pulse (Tested in
accordance with IEC 60068-2-27. Meets
MIL-PRF-28800F Class 2 limits.)
Random vibration
Operating 5 Hz to 500 Hz, 0.3 grms (Tested in accordance
with IEC 60068-2-64.)
Nonoperating 5 Hz to 500 Hz, 2.4 grms (Tested in accordance
with IEC 60068-2-64. Test profile exceeds the
requirements of MIL-PRF-28800F, Class 3.)
6| ni.com | SCB-19 User Guide
Compliance and Certifications
Safety
This product is designed to meet the requirements of the following electrical equipment safety
standards for measurement, control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA C22.2 No. 61010-1
Note For UL and other safety certifications, refer to the product label or the Online
Product Certification section.
CE Compliance
This product meets the essential requirements of applicable European Directives, as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)
Online Product Certification
Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance
information. To obtain product certifications and the DoC for this product, visit ni.com/
certification, search by model number or product line, and click the appropriate link in the
Certification column.
Environmental Management
NI is committed to designing and manufacturing products in an environmentally responsible
manner. NI recognizes that eliminating certain hazardous substances from our products is
beneficial to the environment and to NI customers.
For additional environmental information, refer to the Minimize Our Environmental Impact
web page at ni.com/environment. This page contains the environmental regulations and
directives with which NI complies, as well as other environmental information not included in
this document.
Waste Electrical and Electronic Equipment (WEEE)
EU Customers At the end of the product life cycle, all NI products must be
disposed of according to local laws and regulations. For more information about
how to recycle NI products in your region, visit ni.com/environment/weee.
电子信息产品污染控制管理办法（中国 RoHS）
中国客户 National Instruments 符合中国电子信息产品中限制使用某些有害物
质指令(RoHS)。关于 National Instruments 中国 RoHS 合规性信息，请登录
ni.com/environment/rohs_china。(For information about China RoHS
compliance, go to ni.com/environment/rohs_china.)
SCB-19 User Guide | © National Instruments | 7
Worldwide Support and Services
The NI website is your complete resource for technical support. At ni.com/support, you have
access to everything from troubleshooting and application development self-help resources to
email and phone assistance from NI Application Engineers.
Visit ni.com/services for NI Factory Installation Services, repairs, extended warranty, and
other services.
Visit ni.com/register to register your NI product. Product registration facilitates technical
support and ensures that you receive important information updates from NI.
A Declaration of Conformity (DoC) is our claim of compliance with the Council of the
European Communities using the manufacturer’s declaration of conformity. This system
affords the user protection for electromagnetic compatibility (EMC) and product safety. You
can obtain the DoC for your product by visiting ni.com/certification. If your product supports
calibration, you can obtain the calibration certificate for your product at ni.com/calibration.
NI corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas,
78759-3504. NI also has offices located around the world. For telephone support in the United
States, create your service request at ni.com/support or dial 1 866 ASK MYNI (275 6964). For
telephone support outside the United States, visit the Worldwide Offices section of ni.com/
niglobal to access the branch office websites, which provide up-to-date contact information,
support phone numbers, email addresses, and current events.
Information is subject to change without notice. Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for
information on NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their
respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your
software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents. You can find
information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product. Refer
to the Export Compliance Information at ni.com/legal/export-compliance for the NI global trade compliance policy and how
to obtain relevant HTS codes, ECCNs, and other import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS
TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S.
Government Customers: The data contained in this manual was developed at private expense and is subject to the applicable
limited rights and restricted data rights as set forth in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015.
© 2012—2017 National Instruments. All rights reserved.
375902C-01 April 21, 2017
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