National Instruments NI 9159 Manuale utente
USER MANUAL AND SPECIFICATIONS
NI 9157/9159
Reconfigurable Embedded Chassis with Integrated MXI-Express (x1)
Figure 1. NI 9157/9159 Front Panel
4
6
2
5
1
C
C
V2
V1
INPUT
9-30 V
35W MAX
NO FPGA APP
USER FPGA1
USER FPGA2
USER FPGA3
P
USER FPGA1
USER FPGA2
USER FPGA3
POWER
USER FPGA1
USER FPGA2
USER FPGA3
LINK LINK
UPSTREAM
DOWNSTREAM
MXI-Express RIO
NI 915X
3
OFF
1. LEDs
2. Upstream Port
3. MXI-Express LINK LEDs
4. Downstream Port
5. Power Connector
6. DIP Switches
This document describes how to connect the NI 9157/9159 to a MXI-Express host and one or
more other chassis, and how to use the features of the NI 9157/9159. This document also
contains specifications for the NI 9157/9159.
Safety Guidelines
Operate the NI 9157/9159 only as described in this document.
Caution Do not operate the NI 9157/9159 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 9157/9159 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 9157/9159 in
a potentially explosive environment. Not following these guidelines may result in serious
injury or death.
Caution Do not disconnect the power supply wires and connectors from the
controller unless power has been switched off.
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.
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.
Special Conditions for Hazardous Locations Use in Europe and
Internationally
The NI 9157/9159 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO
Certificate No. 07 ATEX 0626664X and is IECEx UL 14.0089X certified. Each device is
marked II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures
of 0 °C ≤ Ta ≤ 55 °C.
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.
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.
2| ni.com | NI 9157/9159 User Manual and Specifications
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.
What You Need to Install the NI 9157/9159
• NI 9157/9159 reconfigurable embedded chassis with integrated MXI-Express (x1)
• One of the following MXI-Express (x1) host systems:
– PXI system with MXI-Express device installed
– PC with MXI-Express PCI or PCIe device installed
– NI Industrial Controller
Note
The NI 9157/9159 requires a host system with a PCI Express clock that
complies with the PCI Express Specification. The NI 9157/9159 may not be
compatible with systems using noncompliant clocks, particularly clocks with
peak frequencies higher than 100 MHz. For more information about PCI
Express clock compatibility with the NI 9157/9159, go to ni.com/info and enter
the Info Code 915xclock.
• C Series I/O modules
• MXI-Express (x1) cable(s) up to 7 m long
• DIN rail mount kit (for DIN rail mounting only)
• Panel mount kit (for panel mounting only)
• Three M4 or number 8 panhead screws (for mounting the chassis without one of the listed
mounting kits)
• Number 2 Phillips screwdriver
NI 9157/9159 User Manual and Specifications | © National Instruments | 3
• Power supply
•MXI-Express (x1) Series User Manual
Note Visit ni.com/info and enter the Info Code rdsoftwareversion to
determine which software you need to use the NI 9157/9159.
Mounting the NI 9157/9159
You can mount the chassis horizontally on a 35 mm DIN rail or on a flat, vertical, metallic
surface such as a panel or wall. The maximum allowable ambient temperature for operation is
55 °C. Mounting the chassis in a different orientation or on a nonmetallic surface can reduce
the maximum allowable ambient temperature and can affect the typical accuracy of modules in
the chassis. The following figure shows the chassis mounted horizontally.
Figure 2. NI 9157/9159 Mounted Horizontally
Up
Measure the ambient temperature at each side of the chassis, 63.5 mm (2.5 in.) from the side
and 50.8 mm (2 in.) forward from the rear of the chassis.
Note For more information about typical accuracy specification for modules, go to
ni.com/info and enter the Info Code criotypical.
4| ni.com | NI 9157/9159 User Manual and Specifications
Caution Your installation must meet the following requirements for space and
cabling clearance:
• Allow 50.8 mm (2 in.) on the top and the bottom of the chassis for air
circulation.
• Allow 50.8 mm (2 in.) in front of modules for cabling clearance for common
connectors, such as the 10-terminal, detachable screw terminal connector.
Figure 3. NI 9157/9159, Bottom View with Dimensions
63.5 mm
(2.50 in.)
50.8 mm
(2 in.) 406.3 mm
(16 in.)
50.8 mm
(2 in.)
48.4 mm
(1.91 in.)
1
1
89.4 mm
(3.52 in.)
63.5 mm
(2.50 in.)
29 mm
(1.14 in.)
Cabling Clearance
50.8 mm (2 in.)
1. Measure ambient temperature here.
Figure 4. NI 9157/9159, Front View with Dimensions
51.7 mm
(2.04 in.)
28.0 mm
(1.10 in.)
4.1 mm
(0.16 in.)
Cooling Outline
50.8 mm (2 in.)
88.1 mm
(3.47 in.)
Cooling Outline
50.8 mm (2 in.)
36.4 mm
(1.43 in.)
132.6 mm
(5.22 in.)
165.1 mm
(6.50 in.)
NI 9157/9159 User Manual and Specifications | © National Instruments | 5
Figure 5. NI 9157/9159, Side View with Dimensions
18.7 mm
(0.74 in.)
44.1 mm
(1.74 in.)
69.5 mm
(2.74 in.)
51.4 mm
(2.02 in.)
68.2 mm
(2.68 in.)
The following sections contain instructions for the mounting methods. Before using any of
these mounting methods, record the serial number from the back of the chassis. You will be
unable to read the serial number after you have mounted the chassis.
Caution Make sure that no I/O modules are in the chassis before mounting it.
Mounting the Chassis on a DIN Rail
Use the DIN rail mounting method if you already have a DIN rail configuration or if you need
to be able to remove the chassis quickly. You can order the NI 9916 DIN rail mount kit if you
want to mount the chassis on a DIN rail. You need one clip for mounting the chassis on a
standard 35 mm DIN rail. Complete the following steps to mount the chassis on a DIN rail.
1. Fasten the DIN rail clip to the chassis using a number 2 Phillips screwdriver and three
M4 x 50 screws. NI provides these screws with the DIN rail mount kit. Tighten the
screws to a maximum torque of 1.3 N · m (11.5 lb · in.).
6| ni.com | NI 9157/9159 User Manual and Specifications
Figure 6. Installing the DIN Rail Clip on the NI 9157/9159
2. Insert one edge of the DIN rail into the deeper opening of the DIN rail clip.
Figure 7. One Edge of the DIN Rail Inserted in a Clip
3
2
1
1. DIN Rail Clip
2. DIN Rail
3. DIN Rail Spring
3. Press down firmly on the chassis to compress the spring until the clip locks in place on
the DIN rail.
Caution Make sure that no I/O modules are in the chassis before removing it
from the DIN rail.
NI 9157/9159 User Manual and Specifications | © National Instruments | 7
Mounting the Chassis on a Flat Surface Using the
NI 9907 Panel Mount Kit
Panel or wall mounting is the best method for applications that are subject to high shock and
vibration. You can use the NI 9907 panel mount kit to mount the NI 9157/9159 on a flat
surface. Complete the following steps.
1. Fasten the chassis to the panel mount kit using a number 2 Phillips screwdriver and six
M4 x 50 screws. NI provides these screws with the panel mount kit. Tighten the screws to
a maximum torque of 1.3 N · m (11.5 lb · in.).
Figure 8. Installing the Panel Mount Plate on the NI 9157/9159
Figure 9. Dimensions of NI 9157/9159 with Panel Mounting Plate Installed
25.3 mm
(0.99 in.)
9.5 mm
(0.37 in.)
25.7 mm
(1.01 in.)
457.2 mm
(18.0 in.)
438.2 mm
(17.25 in.)
17.4 mm (0.69 in.)
31.8 mm
(1.25 in.) 63.5 mm
(2.50 in.) 88.1 mm
(3.47 in.)
8| ni.com | NI 9157/9159 User Manual and Specifications
2. Fasten the panel mounting plate to the surface using the screwdriver and screws that are
appropriate for the surface. The maximum screw size is M4 or number 8.
Caution Make sure that no I/O modules are in the chassis before removing it from
the panel.
Mounting the Chassis Directly on a Flat Surface Using
the Mounting Holes
Panel or wall mounting is the best method for high shock and vibration applications. If you do
not have the NI 9907 panel mount kit and do not require the portability that the NI 9907
affords, you can mount the NI 9157/9159 directly on a flat surface using the three mounting
holes. Complete the following steps.
1. Align the chassis on the surface.
2. Fasten the chassis to the surface using three M4 or number 8 screws. NI does not provide
these screws with the chassis.
Figure 10. Mounting the NI 9157/9159 Directly on a Flat Surface
Caution Make sure that no I/O modules are in the chassis before removing it from
the panel.
Installing C Series Modules
The following figure shows the mechanical dimensions of C Series I/O modules.
Figure 11. C Series I/O Module, Front and Side View with Dimensions
88.1 mm
(3.47 in.)
70.7 mm
(2.78 in.)
22.9 mm
(0.90 in.)
NI 9157/9159 User Manual and Specifications | © National Instruments | 9
Complete the following steps to install a C Series I/O module in the chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the system is in a
nonhazardous location, the chassis power can be on when you install I/O modules.
2. Align the I/O module with an I/O module slot in the chassis. The module slots are labeled
1 to 14, left to right.
Figure 12. Installing an I/O Module in the Chassis
2
1
1. Insertion Groove
2. Latch
3. Squeeze the latches and insert the I/O module into the module slot.
4. Press firmly on the connector side of the I/O module until the latches lock the I/O module
into place.
5. Repeat these steps to install additional I/O modules.
Removing C Series Modules
Complete the following steps to remove a C Series I/O module from the chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the system is in a
nonhazardous location, the chassis power can be on when you remove I/O modules.
2. Squeeze the latches on both sides of the module and pull the module out of the chassis.
10 | ni.com | NI 9157/9159 User Manual and Specifications
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