National Instruments NI 9436 User manual

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GETTING STARTED GUIDE
NI 9436
8 DI, ±100 VDC to ±250 VDC/100 VAC to
250 VAC, Sinking/Sourcing, 20 ms
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This document explains how to connect to the NI 9436.
Note Before you begin, complete the software and
hardware installation procedures in your chassis
documentation.
Note The guidelines in this document are specific to
the NI 9436. The other components in the system might
not meet the same safety ratings. Refer to the
documentation for each component in the system to
determine the safety and EMC ratings for the entire
system.
Safety Guidelines
Operate the NI 9436 only as described in this document.
Caution Do not operate the NI 9436 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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Safety Voltages
Connect only voltages that are within the following limits:
DIa-to-DIb 250 Vrms maximum,
Measurement Category II
Isolation
Channel-to-channel
Continuous 250 Vrms, Measurement
Category II
Withstand 1,500 Vrms, verified by a 5 s
dielectric withstand test
Channel-to-earth ground
Continuous 250 Vrms, Measurement
Category II
Withstand 3,000 Vrms, verified by a 5 s
dielectric withstand test
Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.
This category refers to local-level electrical distribution, such as
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that provided by a standard wall outlet, for example, 115 V for
U.S. or 230 V for Europe.
Caution Do not connect the NI 9436 to signals or use
for measurements within Measurement Categories III
or IV.
Safety Guidelines for Hazardous Voltages
If hazardous voltages are connected to the device, take the
following precautions. A hazardous voltage is a voltage greater
than 42.4 Vpk voltage or 60 VDC to earth ground.
Hazardous Voltage This icon denotes a warning
advising you to take precautions to avoid electrical
shock.
Caution Ensure that hazardous voltage wiring is
performed only by qualified personnel adhering to local
electrical standards.
Caution Do not mix hazardous voltage circuits and
human-accessible circuits on the same module.
Caution Ensure that devices and circuits connected to
the module are properly insulated from human contact.
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Electromagnetic Compatibility Guidelines
This product was tested and complies with the regulatory
requirements and limits for electromagnetic compatibility (EMC)
stated in the product specifications. These requirements and
limits provide reasonable protection against harmful interference
when the product is operated in the intended operational
electromagnetic environment.
This product is intended for use in industrial locations. However,
harmful interference may occur in some installations, when the
product is connected to a peripheral device or test object, or if the
product is used in residential or commercial areas. To minimize
interference with radio and television reception and prevent
unacceptable performance degradation, install and use this
product in strict accordance with the instructions in the product
documentation.
Furthermore, any changes or modifications to the product not
expressly approved by National Instruments could void your
authority to operate it under your local regulatory rules.
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Special Conditions for Marine Applications
Some products are Lloyd’s Register (LR) Type Approved for
marine (shipboard) applications. To verify Lloyd’s Register
certification for a product, visit ni.com/certification and search
for the LR certificate, or look for the Lloyd’s Register mark on
the product.
Caution In order to meet the EMC requirements for
marine applications, install the product in a shielded
enclosure with shielded and/or filtered power and
input/output ports. In addition, take precautions when
designing, selecting, and installing measurement probes
and cables to ensure that the desired EMC performance
is attained.
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Preparing the Environment
Ensure that the environment in which you are using the NI 9436
meets the following specifications.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2)
-40 °C to 70 °C
Operating humidity
(IEC 60068-2-78)
10% RH to 90% RH,
noncondensing
Pollution Degree 2
Maximum altitude 5,000 m
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals
for complete specifications.
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NI 9436 Pinout
DI0a 0
DI0b
DI1a
DI1b
DI2a
DI2b
DI3a
DI3b
DI4a
DI4b
DI5a
DI5b
DI6a
DI6b
DI7a
DI7b
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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Table 1. Signal Descriptions
Signal Description
DIa and DIb Digital input signal connections
Sinking-Output Connections
NI 9436
DIa
DIb
+
_
Sinking-Output
Device
or
AC
The NI 9436 channel registers as ON when the sinking-output
device drives the input within the input ON range. If no device is
connected to DI, the channel registers as OFF.
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Sourcing-Output Connections
NI 9436
DIa
DIb
Sourcing-Output
Device
+
_
or
AC
The NI 9436 channel registers as ON when the sourcing-output
device drives enough current or applies enough voltage to DI. If
no device is connected to DI, the channel registers as OFF.
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Switch Connections
Switch
NI 9436
DIa
GNDGND
DIb
+
_
or
AC
Load Connections
NI 9436
DIa
DIb
Switch Load
+
_
or
AC
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NI 9436 Connection Guidelines
Make sure that devices you connect to the NI 9436 are
compatible with the module specifications.
You must use 2-wire ferrules to create a secure connection when
connecting more than one wire to a single terminal on the
NI 9436.
Wiring the NI 9436
Caution For safe operation with hazardous voltages,
you must use the NI 9939 Connector Backshell with
the 16-position screw terminal connector on the
NI 9436.
When connecting all 16 terminals, the total maximum wire
diameter including insulation must not exceed 2.3 mm (0.09 in.)
per wire in order to fit through the 11.0 mm (0.43 in.) opening on
the NI 9939.
When connecting all 16 terminals using the cable retainer, the
total maximum wire diameter including insulation must not
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exceed 1.6 mm (0.06 in.) per wire in order to fit under the
7.6 mm (0.30 in.) clearance of the NI 9939 cable retainer.
Figure 1. NI 9939 Wire Clearance Dimensions
11.0 mm (0.43 in.)
7.6 mm (0.30 in.)
Complete the appropriate procedure based on the total maximum
wire diameter used.
Installing the NI 9939
What to Use
• NI 9939 kit
• 0.05 mm2 to 1.5 mm2 (30 AWG to 14 AWG) wire with 6 mm
(0.24 in.) of the insulation stripped
• Slotted screwdriver
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What to Do
2
3
5
4
1
1. Insert the stripped end of the wire fully into the appropriate
terminal on the 16-Position Screw Terminal Connector (2)
and tighten the screw. Make sure no exposed wire extends
past the screw terminal.
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2. Route the wire through the NI 9939 opening and remove
slack from the wiring.
3. Install the Backshell Top Enclosure (1) to the Backshell
Bottom Enclosure (3).
4. Place the Label (5) in the Label Carrier (4) and attach onto
the backshell.
Installing the NI 9939 Using the Cable Retainer
What to Use
• NI 9939 kit
• 0.05 mm2 to 1.5 mm2 (30 AWG to 14 AWG) wire with 6 mm
(0.24 in.) of the insulation stripped
• Slotted screwdriver
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What to Do
1
2
3
5
4
7
6
1. Insert the stripped end of the wire fully into the appropriate
terminal on the 16-Position Screw Terminal Connector (2)
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and tighten the screw. Make sure no exposed wire extends
past the screw terminal.
2. Route the wire through the NI 9939 opening, remove slack
from the wiring, and secure wires using the Cable Retainer
(6) and tighten the Screws (7).
3. Install the Backshell Top Enclosure (1) to the Backshell
Bottom Enclosure (3).
4. Place the Label (5) in the Label Carrier (4) and attach onto
the backshell.
High-Vibration Application Connections
If your application is subject to high vibration, NI recommends
that you follow these guidelines to protect connections to the
NI 9436:
• Use ferrules to terminate wires to the detachable connector.
• Use the NI 9939 backshell kit.
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Where to Go Next
CompactRIO NI CompactDAQ
RELATED INFORMATION
C Series Documentation
& Resources
ni.com/info cseriesdoc
Services
ni.com/services
NI 9436 Datasheet
NI-RIO Help
LabVIEW FPGA Help
NI 9436 Datasheet
NI-DAQmx Help
LabVIEW Help
Installs with the software
Located at ni.com/manuals
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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.
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