National Instruments NI 9157 Manual de usuario
OPERATING INSTRUCTIONS AND SPECIFICATIONS
NI 9157/9159
Reconfigurable Embedded Chassis with Integrated MXI-Express (x1)
Figure 1. NI 9157/9159
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.
1LEDs
2 Upstream Port
3 MXI-Express LINK LEDs
4 Downstream Port
5 Power Connector
6 DIP Switches
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
NI 9157/9159 Operating Instructions and Specifications 2 ni.com
Safety Guidelines
Operate the NI 9157/9159 only as described in these operating instructions.
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 1, 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 Substitution of components may impair suitability for Class I, Division 2.
Caution For Zone 2 applications, install the system in an enclosure rated to at least IP 54
as defined by IEC 60529 and EN 60529.
Special Conditions for Hazardous Locations Use
in Europe
Some chassis have been evaluated as Ex nA IIC T4 equipment under
DEMKO Certificate No. 07 ATEX 0626664X. Each such chassis is marked
II 3G and is suitable for use in Zone 2 hazardous locations, in ambient
temperatures of 0 Ta 55 °C.
Special Conditions for Marine Applications
Some chassis are Lloyd’s Register (LR) Type Approved for marine
applications. To verify Lloyd’s Register certification, visit ni.com/
certification and search for the LR certificate, or look for the Lloyd’s
Register mark on the chassis.
Caution To meet radio frequency emission requirements for marine applications, use
shielded cables and install the system in a metal enclosure. Suppression ferrites must be
installed on power supply inputs to modules. Power supply and module cables must be
separated on opposite sides of the enclosure and must enter and exit through opposing
enclosure walls.
©National Instruments Corporation 3 NI 9157/9159 Operating Instructions and Specifications
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
❑Power supply
❑MXI-Express (x1) for PXI Express User Manual
Notes Visit ni.com/info and enter the Info Code rdsoftwareversion to determine
which software you need to use the NI 9157/9159.
NI 9157/9159 Operating Instructions and Specifications 4 ni.com
Mounting the NI 9157/9159
You can mount the chassis horizontally either 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. Figure 2 shows the chassis mounted
horizontally.
Figure 2. NI 9157/9159 Mounted Horizontally
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, as shown in Figure 3.
Note For more information about how different mounting configurations can cause
temperature derating, go to ni.com/info and enter the Info Code criomounting.
Note For more information about typical accuracy specifications for modules, go to
ni.com/info and enter the Info Code criotypical.
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, as shown
in Figure 3.
Up
©National Instruments Corporation 5 NI 9157/9159 Operating Instructions and Specifications
Figure 3. NI 9157/9159, Bottom View with Dimensions
Figure 4. NI 9157/9159, Front View with Dimensions
1 Measure ambient temperature here.
63.5 mm
(2.50 in.)
50.8 mm
(2 in.) 406.3mm
(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.)
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.)
87.3mm
(3.44 in.)
Cooling Outline
50.8 mm (2 in.)
36.4 mm
(1.43in.)
132.6 mm
(5.22 in.)
165.1 mm
(6.50 in.)
NI 9157/9159 Operating Instructions and Specifications 6 ni.com
Figure 5. NI 9157/9159, Side View with Dimensions
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 50 screws. National Instruments 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.).
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.)
©National Instruments Corporation 7 NI 9157/9159 Operating Instructions 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, as shown in Figure 7.
Figure 7. One Edge of the DIN Rail Inserted in a Clip
3. Press down firmly on the chassis to compress the spring until the clip
locks in place on the DIN rail.
1 DIN Rail Clip 2 DIN Rail Spring 3 DIN Rail
2
1
3
NI 9157/9159 Operating Instructions and Specifications 8 ni.com
Mounting the Chassis on a Flat Surface
Using the NI 9907 Panel Mount Kit
Panel or wall mounting is the best method for high shock and vibration
applications. 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 panel mounting plate to the chassis using a number 2
Phillips screwdriver and six M4 10 screws. National Instruments
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 Mounting Plate on the NI 9157/9159
©National Instruments Corporation 9 NI 9157/9159 Operating Instructions and Specifications
Figure 9. Dimensions of NI 9157/9159 with Panel Mounting Plate Installed
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.
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.
National Instruments 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
surface.
25.25 mm
(0.994 in.)
9.53mm
(0.375 in.)
25.70 mm
(1.012 in.)
457.20 mm
(18 in.)
438.15 mm
(17.250 in.)
17.40 mm (0.685 in.)
31.75 mm
(1.250 in.) 63.50 mm
(2.500 in.)
88.14 mm
(3.470 in.)
NI 9157/9159 Operating Instructions and Specifications 10 ni.com
Installing C Series I/O Modules in the Chassis
Figure 11 shows the mechanical dimensions of C Series I/O modules.
Figure 11. C Series I/O Module, Front and Side View with Dimensions
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 as shown
in Figure 12. The module slots are labeled 1 to 14, left to right.
22.9 mm
(0.9 in.)
88.1 mm
(3.47 in.)
70.7 mm
(2.78 in.)
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