NI NI-9205 Manuel utilisateur
NI-9205 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
Connecting the NI 9205. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
NI 9205 Signal Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connecting Grounded Dierential Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Connecting Floating Dierential Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting RSE Voltage Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting NRSE Voltage Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting to a Spring-Terminal Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
High-Vibration Application Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Worldwide Support and Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ni.com
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NI-9205 Getting Started
Overview
This document explains how to connect to the NI 9205.
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 9205. 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 9205 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 9205 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.
© National Instruments 3
NI-9205 Getting Started
Hazardous Voltage This icon denotes a warning advising you to take
precautions to avoid electrical shock with the NI 9205 with spring
terminal .
Safety Voltages
Connect only voltages that are within the following limits:
Maximum voltage[1]
Channel-to-COM ±30 V DC
1 The maximum voltage that can be applied or output between AI and COM without
creating a safety hazard.
NI 9205 with Spring Terminal Isolation Voltages
Channel-to-channel None
Channel-to-earth ground
Continuous 250 V RMS, Measurement Category II
Withstand
up to 2,000 m 3,000 V RMS, 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 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 9205 to signals or use for measurements
within Measurement Categories III or IV.
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NI-9205 Getting Started
NI 9205 with DSUB Isolation Voltages
Channel-to-channel None
Channel-to-earth ground
Continuous 60 V DC, Measurement Category I
Withstand
up to 2,000 m 1,000 V RMS, verified by a 5 s dielectric withstand test
up to 5,000 m 500 V RMS
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
parts of equipment, circuits powered by regulated low-voltage sources, and
electronics.
Caution Do not connect the NI 9205 with DSUB 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.
© National Instruments 5
NI-9205 Getting Started
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 9940 backshell kit to ensure that the terminals are not accessible.
Safety Guidelines for Hazardous Locations
The NI 9205 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 9205 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.
ni.com
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NI-9205 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 9205 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO 03
ATEX 0324020X and is IECEx UL 14.0089X certified. Each NI 9205 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 9205 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-9205 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 9205 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
ni.com
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NI-9205 Getting Started
NI 9205 with spring terminal 2,000 m
NI 9205 with DSUB 5,000 m
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals for complete
specifications.
Connecting the NI 9205
The NI 9205 provides connections for 32 single-ended channels or 16 dierential
channels.
Figure 1. NI 9205 Pinout
AI8
AI9
AI10
AI11
AI12
AI13
AI14
AI15
PFI0
COM
AI24
AI25
AI26
AI27
AI28
AI29
AI30
AI31
AI0
AI1
AI2
AI3
AI4
AI5
AI6
AI7
DO0
COM
AI16
AI17
AI18
AI19
AI20
AI21
AI22
AI23
AISENSE
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
37
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
NI 9205 Signal Descriptions
Signal Name Description
AI Analog input channel
AISENSE Reference for each AI channel for NRSE measurements
COM Internally connected to the isolated ground reference
DO Digital output channel[1]
© National Instruments 9
NI-9205 Getting Started
Signal Name Description
PFI Programmable function interface signal that functions as a digital input
Table 1. NI 9205 Signal Descriptions
1 The digital output channel is supported only in CompactRIO systems.
Signals
You can connect single-ended or dierential signals to the NI 9205. Use a dierential
measurement configuration to attain more accurate measurements and less noise.
The following table shows the signal pairs that are valid for dierential connection
configurations with the NI 9205.
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 Grounded Dierential Signals
You can connect grounded dierential signals to the NI 9205.
ni.com
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NI-9205 Getting Started
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