National Instruments NI-9206 User manual
NI-9206 Getting
Started
2022-07-06
Contents
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Guidelines for Hazardous Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety Guidelines for Hazardous Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Special Conditions for Hazardous Locations Use in Europe and Internationally.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electromagnetic Compatibility Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Special Conditions for Marine Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Preparing the Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
NI 9206 Pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Connecting Floating Dierential Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connecting Grounded Dierential Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting RSE Voltage Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting NRSE Voltage Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting Fuel Cell Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
NI 9206 Connection Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Connecting to a Spring-Terminal Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
High-Vibration Application Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Worldwide Support and Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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NI-9206 Getting Started
Overview
This document explains how to connect to the NI 9206.
Note Before you begin, complete the soware and hardware installation
procedures in your chassis documentation.
Note The guidelines in this document are specific to the NI 9206. 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 9206 only as described in this document.
Caution This icon denotes a caution, which advises you to consult
documentation where this symbol is marked.
© National Instruments 3
NI-9206 Getting Started
Caution Do not operate the NI 9206 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.
Hazardous Voltage This icon denotes a warning advising you to take
precautions to avoid electrical shock with the NI 9206.
Safety Voltages
Connect only voltages that are within the following limits:
Maximum voltage[1]
AI, PFI0, and D0 to COM ±30 V DC
1 The maximum voltage that can be applied or output between AI and COM without
creating a safety hazard.
Isolation Voltages
Channel-to-channel None
Channel-to-earth ground
Continuous
U.S. (UL 61010-1) 600 V DC, Measurement Category I
Europe (IEC 61010-1) 400 V DC, Measurement Category I
Withstand 2,500 V PK, verified by a 5 s dielectric withstand test
Measurement Category I is for measurements 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 include signal levels, special equipment, limited-energy
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NI-9206 Getting Started
parts of equipment, circuits powered by regulated low-voltage sources, and
electronics.
Caution Do not connect the NI 9206 to signals or use for measurements
within Measurement Categories II, III, or IV.
Note Measurement Categories CAT I and CAT O are equivalent. These test
and measurement circuits are for other circuits not intended for direct
connection to the MAINS building installations of Measurement Categories
CAT II, CAT III, or CAT 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.
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.
Caution When module terminals are hazardous voltage LIVE (>42.4 Vpk/
60 VDC), you must ensure that devices and circuits connected to the
module are properly insulated from human contact. You must use the
NI 9941 backshell kit to ensure that the terminals are not accessible.
© National Instruments 5
NI-9206 Getting Started
Caution In addition to attaching the connector backshell to the NI 9206,
you must install the entire system in a UL Listed, suitably rated NEMA or IP
enclosure for safe use.
Figure 1. NI 9206 in a Suitably UL Rated NEMA or IP Enclosure
1
2
1. Suitably rated NEMA or IP enclosure that requires tool access
2. NI 9206 with NI 9941 connector backshell installed
Safety Guidelines for Hazardous Locations
The NI 9206 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 Gc and Ex nA IIC T4 Gc hazardous locations;
and nonhazardous locations only. Follow these guidelines if you are installing the
NI 9206 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 o or the area is known to be nonhazardous.
Caution Do not remove modules unless power has been switched o or
the area is known to be nonhazardous.
Caution Substitution of components may impair suitability for Class I,
Division 2, or Zone 2.
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NI-9206 Getting Started
Caution The system must be installed in an enclosure certified for the
intended hazardous (classified) location, having a tool secured cover/door,
where a minimum protection of at least IP54 is provided.
Special Conditions for Hazardous Locations Use in Europe and
Internationally
The NI 9206 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO 03
ATEX 0324020X and is IECEx UL 14.0089X certified. Each NI 9206 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 9206 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.
Caution Transient protection shall be provided that is set at a level not
exceeding 140% of the peak rated voltage value of 85 V at the supply
terminals to the equipment.
Caution The system shall only be used in an area of not more than
Pollution Degree 2, as defined in IEC/EN 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.
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
© National Instruments 7
NI-9206 Getting Started
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.
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.
Preparing the Environment
Ensure that the environment in which you are using the NI 9206 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 2,000 m
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NI-9206 Getting Started
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals for complete
specifications.
NI 9206 Pinout
AI0
AI1
AI3
AI5
AI7
AI17
AI19
AI21
AI23
DO0
AI2
AI4
AI6
AI16
AI18
AI20
AI22
COM
AI9
AI8
AI10
AI12
AI14
AI24
AI26
AI28
AI30
AISENSE
AI11
AI13
AI15
AI25
AI27
AI29
AI31
PFI0
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
Signal Description
AI Analog input signal connection
AISENSE Reference connection for NRSE measurements
COM Common reference connection to isolated ground
DO Digital output signal connection
PFI Programmable function interface, digital input signal connection
Table 1. Signal Descriptions
Signals
You can connect single-ended or dierential signals to the NI 9206. Use a dierential
measurement configuration to attain more accurate measurements and less noise.
© National Instruments 9
NI-9206 Getting Started
The following table shows the signal pairs that are valid for dierential connection
configurations with the NI 9206.
Channel AI + AI-
0 AI0 AI8
1 AI1 AI9
2 AI2 AI10
3 AI3 AI11
4 AI4 AI12
5 AI5 AI13
6 AI6 AI14
7 AI7 AI15
16 AI16 AI24
17 AI17 AI25
18 AI18 AI26
19 AI19 AI27
20 AI20 AI28
21 AI21 AI29
22 AI22 AI30
23 AI23 AI31
Table 2. Dierential Pairs
Connecting Floating Dierential Signals
You can connect floating dierential signals to the NI 9206.
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NI-9206 Getting Started
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