National Instruments NI 9935 User manual

GETTING STARTED GUIDE AND
SPECIFICATIONS
NI 9935

This document explains how to connect to the NI 9935.
Note Do not remove the NI 9935 circuit board from
the enclosure.
Note Before using the NI 9935, read the getting
started guide and datasheet for the C Series module on
ni.com/manuals to ensure compliance with safety,
EMC, and environmental regulations.
Safety Guidelines
Operate the NI 9935 only as described in this document.
Caution This icon denotes a caution, which advises
you to consult documentation where this symbol is
marked.
Caution Do not operate the NI 9935 in a manner not
specified in this document. Product misuse can result in
a hazard. You can compromise the safety protection
built into the product if the product is damaged in any
way. If the product is damaged, return it to NI for
repair.
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Caution Do not supply hazardous voltages
(>42.4 Vpk/60 V DC) to the NI 9935.
NI 9935 Pinout
3
4
9
10
11
12
13
14
15
7
8
5
6
2
1
12 4
3
6
11
13
5
7
8
14
15
1
9
2
10
SH
Connecting the NI 9935
To wire the NI 9935, complete the following steps while referring
to the following figure.
NI 9935 Getting Started Guide and Specifications | © National Instruments | 3

Note When using shielded wires or cables, use the SH
terminal on the NI 9935 to terminate the shields.
Figure 1. NI 9935 Parts
2
1
3
4
5
1. Captive Screw
2. Top Cover
3. Terminals
4. Strain Relief Holes
5. Jackscrews
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1. Loosen the captive screw and remove the top cover.
2. Prepare the screw-terminal wire by stripping the insulation.
Refer to the Specifications section for more information on
screw terminal wiring.
3. Insert the stripped end of the wire fully into the appropriate
terminal. Make sure that no exposed wire extends past the
screw terminal.
4. Secure the connecting by tightening the screw for the
terminal.
Refer to the Specifications section for more information on
screw terminal torque.
5. Route the wire to the NI 9935 opening.
6. Remove slack in the NI 9935 wiring and secure the wires or
cable by threading a zip tie through the two strain relief holes
on the NI 9935 opening.
7. Reinstall the top cover of the NI 9935 and tighten the captive
screw.
NI 9935 Getting Started Guide and Specifications | © National Instruments | 5

Installing the NI 9935
To connect the NI 9935 to a C Series module, complete the
following steps.
Figure 2. Installing the NI 9935
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1. Connect the NI 9935 to the 15-pin connector on the module
as shown in the figure above.
2. Tighten the two jackscrews on the NI 9935 to hold it securely
in place.
Do not overtighten the jackscrews. Refer to the NI 9935 parts
diagram for the location of the jackscrews.
Specifications
The following specifications are typical unless otherwise noted.
Maximum voltage 30 V RMS/42 Vpk/60 V DC
Operating temperature -40 °C to 70 °C
Maximum current rating ≤1 A per channel
Screw terminal wiring 16 to 26 AWG copper conductor
wire with 4.5 mm (0.18 in.) of
insulation stripped from the end
Torque for screw terminal 0.4 N · m maximum
(3.4 lb · in. maximum)
Weight 44 g (1.6 oz)
NI 9935 Getting Started Guide and Specifications | © 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 information about the services NI offers.
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
8| ni.com | NI 9935 Getting Started Guide and Specifications

also has offices located around the world. For support in the
United States, create your service request at ni.com/support or
dial 1 866 ASK MYNI (275 6964). For 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.
NI 9935 Getting Started Guide and Specifications | © National Instruments | 9

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/
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HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S. Government Customers: The
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© 2017 National Instruments. All rights reserved.
377414A-01 December 5, 2017