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GETTING STARTED GUIDE
NI 9866
1-Port, LIN Module
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This document explains how to connect to the NI 9866.
The NI 9866 module requires the latest software to be installed.
The latest version of the software is at ni.com/downloads.
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 9866. 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 9866 only as described in this document.
Hot Surface This icon denotes that the component
may be hot. Touching this component may result in
bodily injury.
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Caution Do not operate the NI 9866 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.
Safety Guidelines for Hazardous Locations
The NI 9866 is suitable for use in Class I, Division 2, Groups A,
B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4
and Ex nA IIC T4 hazardous locations; and nonhazardous
locations only. Follow these guidelines if you are installing the
NI 9866 in a potentially explosive environment. Not following
these guidelines may result in serious injury or death.
Caution Do not disconnect I/O-side wires or
connectors unless power has been switched off or the
area is known to be nonhazardous.
Caution Do not remove modules unless power has
been switched off or the area is known to be
nonhazardous.
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Caution Substitution of components may impair
suitability for Class I, Division 2.
Caution For Division 2 and Zone 2 applications,
install the system in an enclosure rated to at least IP54
as defined by IEC/EN 60079-15.
Caution For Zone 2 applications, install a protection
device between the LIN signals and the NI 9866 LIN
pins. The device must prevent the LIN Port-to-COM
voltage from exceeding 55 V if there is a transient
overvoltage condition.
Special Conditions for Hazardous Locations Use in Europe and Internationally
The NI 9866 has been evaluated as Ex nA IIC T4 Gc equipment
under DEMKO Certificate No. 07 ATEX 0626664X and is
IECEx 14.0089X certified. Each NI 9866 is marked II 3G and
is suitable for use in Zone 2 hazardous locations, in ambient
temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9866
in Gas Group IIC hazardous locations, you must use the device in
an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC
T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
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Caution You must make sure that transient
disturbances do not exceed 140% of the rated voltage.
Caution The system shall only be used in an area of
not more than Pollution Degree 2, as defined in
IEC 60664-1.
Caution The system shall be mounted in an
ATEX/IECEx-certified enclosure with a minimum
ingress protection rating of at least IP54 as defined in
IEC/EN 60079-15.
Caution The enclosure must have a door or cover
accessible only by the use of a tool.
Wiring the NI 9866
The NI 9866 has one 9-pin male D-Sub connector that provides
connections to a LIN bus.
The port has two common pins (COM) that are internally
connected to the module’s isolated reference and serve as the
reference ground for LIN signal. You can connect the LIN bus
reference ground to one or both COM pins. The port also has an
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optional shield pin, SHLD, that you can connect to a shielded
LIN cable. Connecting SHLD may improve signal integrity and
EMC performance in a noisy environment.
Caution You must use a UL listed ITE power supply
marked LPS with the NI 9866.
The NI 9866 requires an external power supply of +8 to +18 V to
operate. Supply power to the NI 9866 V
pin from the LIN
SUP
bus.
Note Power on V
is required for LIN operation.
SUP
The NI 9866 pinout is listed in Table 1.
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Table 1. Pin Assignments for the NI 9866
6
7
8
9
1
2
3
4
5
Connector Pin Signal Name
1 No Connection (NC)
2 NC
3 COM
4 NC
5 SHLD
6 COM
7 LIN
8 NC
9 V
SUP
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Cabling Requirements for the NI 9866
This section deals with cabling specifications, termination
resistors, cable lengths, and the number of LIN nodes that can
exist in a system.
Cable Specifications
LIN cables should meet the physical medium requirement of a
bus RC time constant of 5 µs. For detailed formulas for
calculating this value, refer to the Line Characteristics section of
the LIN specification. Belden cable (3084A) and other
unterminated CAN/Serial quality cables meet these requirements
and should be suitable for most applications.
Cable Lengths
The maximum allowable cable length is 40 m, per the LIN
specification.
Number of LIN Devices
The maximum number of devices on a LIN bus is 16, per the LIN
specification.
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Termination Resistors
LIN cables require no termination, as nodes are terminated at the
transceiver. Slave nodes typically are pulled up from the LIN bus
to VBat with a 30 kΩ resistance and a serial diode. This
termination usually is integrated into the transceiver package.
The master node requires a 1 kΩ resistor and serial diode
between the LIN bus and VBat. On NI-XNET LIN products,
master termination is software selectable; you can enable it in the
API with the NI-XNET Session Interface:LIN:Termination
property.
NI 9866 Hardware Overview
The NI 9866 has one full-featured LIN port that is isolated from
the other modules in the system. The port has a LIN controller
that is fully compliant with the LIN 1.3/2.0/2.1/2.2 Specification.
The port also has an NXP TJA1028 LIN transceiver that is fully
compatible with the LIN 1.3/2.0/2.1/2.2 and SAE J2602 standard
and supports baud rates up to 20 kbps.
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Figure 1. NI 9866 Hardware Overview
Ext Pwr
Supply
Required
Rx
Tx
LIN
Controller
LIN
LIN
Transceiver
Rx
Tx
COM
V
sup
+
_
NI 9866 Specifications
The following specifications are typical for the range -40 °C to
70 °C unless otherwise noted.
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LIN Characteristics
...........................................................Transceiver NXP TJA1028
...........................................................Max baud rate 20 kbps
...........................................................LIN bus lines voltage -40 to +40 VDC
...........................................................Supply voltage range
(V
)
SUP
+8 to +18 VDC normal
operation, -0.3 to +40 V
absolute limits
...........................................................MTBF Contact NI for Bellcore
MTBF or MIL-HDBK-217F
specifications
Power Requirements
...........................................................Power consumption from
chassis
...........................................................Thermal dissipation
(at 70 °C)
NI 9866 Getting Started Guide | © National Instruments | 11
1 W max (active mode)
1.25 W max (active mode)
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Physical Characteristics
To clean the module, wipe it with a dry towel.
...........................................................Weight Approx. 144 g (5.0 oz)
Safety
Maximum Voltage
Connect only the voltages that are within these limits.
...........................................................Port-to-COM -40 to +40 VDC max,
Measurement Category I is for measurement performed on
circuits not directly connected to the electrical distribution system
referred to as MAINS voltage. MAINS is a hazardous live
electrical supply system that powers equipment. This category is
for measurements of voltages from specially protected secondary
circuits. Such voltage measurements included signal levels,
1
The maximum voltage that can be applied or output without creating a safety
hazard.
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1
Measurement Category I
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special equipment, limited-energy parts of equipment, circuits
powered by regulated low-voltage sources, and electronics.
Caution Do not connect to signals or use for
measurements within Measurement Categories II, III,
or IV.
Isolation Voltages
Port-to-earth ground
...................................................Withstand 500 V
verified by a 5s
rms
dielectric withstand test
...................................................Continuous 60 VDC, Measurement
Category I
Safety and Hazardous Locations Standards
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 61010-1
• EN 60079-0:2012, EN 60079-15:2010
• IEC 60079-0: Ed 6, IEC 60079-15; Ed 4
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• UL 60079-0; Ed 5, UL 60079-15; Ed 3
• CSA 60079-0:2011, CSA 60079-15:2012
Note For UL and other safety certifications, refer to
the product label or the Online Product Certification
section.
Hazardous Locations
...........................................................U.S. (UL) Class I, Division 2, Groups
A, B, C, D, T4; Class I,
Zone 2, AEx nA IIC T4
...........................................................Canada (C-UL) Class I, Division 2, Groups
A, B, C, D, T4; Class I,
Zone 2, Ex nA IIC T4
...........................................................Europe (DEMKO) Ex nA IIC T4 Gc
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Environmental
Refer to the manual for the chassis you are using for more
information about meeting these specifications.
...........................................................Operating temperature
-40 °C to 70 °C
(IEC 60068-2-1, IEC 60068-2-2)
...........................................................Storage temperature
-40 °C to 85 °C
(IEC 60068-2-1, IEC 60068-2-2)
...........................................................Ingress protection IP40
...........................................................Operating humidity
(IEC 60068-2-78)
...........................................................Storage humidity
(IEC 60068-2-78)
10% RH to 90% RH,
noncondensing
5% RH to 95% RH,
noncondensing
...........................................................Pollution Degree 2
...........................................................Maximum altitude 2,000 m
Indoor use only.
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Shock and Vibration
To meet these specifications, you must panel mount the system.
Operating vibration
...................................................Random (IEC
5 g
, 10 Hz to 500 Hz
rms
60068-2-64)
...................................................Sinusoidal (IEC
5 g, 10 Hz to 500 Hz
60068-2-6)
...........................................................Operating shock (IEC
60068-2-27)
30 g, 11 ms half sine; 50 g,
3 ms half sine;
18 shocks at 6 orientations
Electromagnetic Compatibility
This product meets the requirements of the following EMC
standards for electrical equipment for measurement, control, and
laboratory use:
• EN 61326 (IEC 61326): Class A emissions; Basic immunity
• EN 55011 (CISPR 11): Group 1, Class A emissions
• AS/NZS CISPR 11: Group 1, Class A emissions
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• FCC 47 CFR Part 15B: Class A emissions
• ICES-001: Class A emissions
Note For the standards applied to assess the EMC of
this product, refer to the Online Product Certification
section.
Note For EMC compliance, operate this product
according to the documentation.
CE Compliance
This product meets the essential requirements of applicable
European Directives, as follows:
• 2014/35/EU; Low-Voltage Directive (safety)
• 2014/30/EU; Electromagnetic Compatibility Directive
(EMC)
• 94/9/EC; Potentially Explosive Atmospheres (ATEX)
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/
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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.
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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.)
Worldwide Support and Services
The National Instruments 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.
NI 9866 Getting Started Guide | © National Instruments | 19
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Visit ni.com/register to register your National Instruments
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.
National Instruments corporate headquarters is located at
11500 North Mopac Expressway, Austin, Texas, 78759-3504.
National Instruments 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.
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Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on
National Instruments trademarks. Other product and company names mentioned herein are
trademarks or trade names of their respective companies. For patents covering National
Instruments 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-par ty
legal notices in the readme file for your NI product. Refer to the Export Compliance Information at
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