NI 9266 User manual

NI-9266

GETTING STARTED GUIDE
NI 9266
8 AO, 0 mA to 20 mA, 16 Bit Simultaneous

This document explains how to connect to the NI 9266. In this
document, the NI 9266 with screw terminal and the NI 9266 with
DSUB are referred to inclusively as the NI 9266.
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 9266. 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 9266 only as described in this document.
Caution This icon denotes a caution, which advises
you to consult documentation where this symbol is
marked.
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Caution Do not operate the NI 9266 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.
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 V DC 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.
NI 9266 Getting Started Guide | © National Instruments | 3

Caution When terminals are hazardous live, you must
ensure that devices and circuits connected to the
module are properly insulated from human contact. You
must use the NI 9928 backshell kit to ensure that the
terminals are not accessible.
NI 9266 with Screw Terminal Safety Voltages
Connect only voltages that are within the following limits:
AO-to-COM and
Vsup-to-COM
±36 V DC maximum
Isolation
Channel-to-channel None
Channel-to-earth ground, Vsup-to-earth ground, or
COM-to-earth ground
Continuous 250 V RMS,
Measurement Category II
Withstand up to
3,000 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.
4| ni.com | NI 9266 Getting Started Guide

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 9266 with screw
terminal to signals or use for measurements within
Measurement Categories III or IV.
NI 9266 with DSUB Safety Voltages
Connect only voltages that are within the following limits.
AO-to-COM and
Vsup-to-COM
±36 V DC maximum
Isolation
Channel-to-channel None
NI 9266 Getting Started Guide | © National Instruments | 5

Channel-to-earth ground
Continuous 60 V DC,
Measurement Category I
Withstand up to
3,000 m
1,000 V RMS, verified by a 5 s
dielectric withstand test
Withstand up to
5,000 m
860 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 9266 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
6| ni.com | NI 9266 Getting Started Guide

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 Locations
The NI 9266 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 9266 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.
Caution Substitution of components may impair
suitability for Class I, Division 2, or Zone 2.
Caution The system must be installed in an enclosure
certified for the intended hazardous (classified)
NI 9266 Getting Started Guide | © National Instruments | 7

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 9266 has been evaluated as Ex nA IIC T4 Gc equipment
under DEMKO 12 ATEX 1202658X and is IECEx UL 14.0089X
certified. Each NI 9266 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 9266 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.
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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
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.
NI 9266 Getting Started Guide | © National Instruments | 9

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.
Caution To ensure the specified EMC performance,
operate this product only with shielded cables and
accessories.
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.
10 | ni.com | NI 9266 Getting Started Guide

Preparing the Environment
Ensure that the environment in which you are using the NI 9266
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 9266 with screw
terminal
3,000 m
NI 9266 with DSUB 5,000 m
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals
for complete specifications.
NI 9266 Getting Started Guide | © National Instruments | 11

NI 9266 Pinout
AO0
COM
AO1
COM
AO2
COM
AO3
COM
AO4
AO5
COM
AO6
COM
AO7
COM
COM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
COM
Vsup
COM
COM
COM
COM
COM
COM
COM
COM
NC
NC
NC
NC
NC
NC
NC
NC
NC
AO0
AO1
AO2
AO3
AO4
AO5
AO6
AO7
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
COM
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
Vsup
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Table 1. Signal Descriptions
Signal Description
AO Analog output signal connection
COM Common reference connection to isolated ground
NC No connection
Vsup Voltage supply connection
NI 9266 Getting Started Guide | © National Instruments | 13

Connecting the NI 9266
AO
COM
NI 9266
+
_
Vsup
Power
Supply
COM
Load
Protection
DC/DC
External
Power Supply
Common
Mode
Voltage
Isolated DAC
14 | ni.com | NI 9266 Getting Started Guide

Connecting an External Power Supply
You must connect an external power supply with a 9 V DC to
30 V DC voltage range to the NI 9266. This power supply
provides the current for the devices you connect to the module.
You can connect only one external voltage supply to the NI 9266.
1. Connect the positive lead of the power supply to Vsup.
2. Connect the negative lead of the power supply to COM.
Caution Do not remove or insert modules if the
external power supply connected to the Vsup and COM
pins is powered on.
NI 9266 Connection Guidelines
• Make sure that devices you connect to the NI 9266 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 9266.
NI 9266 Getting Started Guide | © National Instruments | 15

• For CAT II measurements, you must use a power supply with
isolated DC outputs.
• Each channel has a common terminal, COM, that is internally
connected to the isolated ground reference of the module.
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 9266:
• Use ferrules to terminate wires to the detachable connector.
• Use the NI 9928 connector backshell kit.
Overvoltage Protection
The NI 9266 provides overvoltage protection for each channel.
Note Refer to the device datasheet on ni.com/manuals
for more information about overvoltage protection.
16 | ni.com | NI 9266 Getting Started Guide

Where to Go Next
CompactRIO NI CompactDAQ
Located at ni.com/manuals
RELATED INFORMATION
C Series Documentation
& Resources
ni.com/info cseriesdoc
Services
ni.com/services
Installs with the software
NI 9266 Datasheet
NI-RIO Help
LabVIEW FPGA Help
NI 9266 Datasheet
NI-DAQmx Help
LabVIEW Help
NI 9266 Getting Started Guide | © National Instruments | 17

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.
18 | ni.com | NI 9266 Getting Started Guide

NI corporate headquarters is located at
11500 North Mopac Expressway, Austin, Texas, 78759-3504. NI
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.
NI 9266 Getting Started Guide | © National Instruments | 19