NI-9149 Features

Figure 1. NI-9149 Front Panel

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  1. LEDs
  2. USB Device Port
  3. RJ-45 Ethernet Port 1
  4. Power Connector
  5. RESET Button

RJ-45 Gigabit Ethernet Port

The NI-9149 has one tri-speed RJ-45 Gigabit Ethernet port. By default, the Ethernet port is enabled and configured to obtain an IP address automatically. The Ethernet port can be configured in MAX.

The following table shows the pinout for the RJ-45 Gigabit Ethernet port.

Table 1. RJ-45 Gigabit Ethernet Port Pinout
Fast Ethernet Signal Gigabit Ethernet Signal Pin Pinout
TX+ TX_A+ 1 1378
TX- TX_A- 2
RX+ RX_B+ 3
No Connect TX_C+ 4
No Connect TX_C- 5
RX- RX_B- 6
No Connect RX_D+ 7
No Connect RX_D- 8
Note The Ethernet port performs automatic crossover configuration so you do not need to use a crossover cable to connect to a host computer.

The following NI Ethernet cables are available for the NI-9149.

Table 2. RJ-45 Gigabit Ethernet Cables
Cables Length Part Number
CAT-5E Ethernet Cable, shielded 2 m 151733-02
5 m 151733-05
10 m 151733-10

Power Connector

The NI-9149 has a power connector to which you can connect a power supply. The following table shows the pinout for the power connector.

Table 3. Power Connector Pinout
Pinout Pin Description
1378 V Power input
C Common

The NI-9149 has reverse-voltage protection.

The following NI power supplies and accessories are available for the NI-9149.

Table 4. Power Accessories
Accessory Part Number
NI PS-10 Desktop Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input 782698-01
NI PS-14 Industrial Power Supply, 24 to 28 VDC, 3.3 A, 100-240 VAC Input 783167-01
NI PS-15 Industrial Power Supply, 24 to 28 VDC, 5 A, 100/230 VAC Input 781093-01
NI PS-16 Industrial Power Supply, 24 to 28 VDC, 10 A, 115/230 VAC Input 781094-01
NI PS-17 Industrial Power Supply, 24 to 28 VDC, 20 A, 85-276 VAC Input 781095-01

USB Device Port

The NI-9149 USB device port is intended for device configuration, application deployment, debugging, and maintenance. For example, you can use the USB device port to install software or driver updates during field maintenance instead of interrupting communication on the RJ-45 Ethernet ports.

Caution Do not disconnect the power supply wires, I/O-side wires, or connectors from the product unless power has been switched off or the area is known to be nonhazardous.
Attention Ne déconnectez les fils d'alimentation, les fils côté E/S et les connecteurs du produit que s'il est hors tension ou qu'il se trouve dans une zone non dangereuse.
Hazardous Voltage The product is designed for nonhazardous, live signals. You must ensure that all signals connected to the product are isolated from hazardous, live circuits and no unsafe voltages are present at the inputs. Voltages that exceed the specifications could result in damage to the product or electric shock.
Tension dangereuse Le produit est conçu pour les signaux en direct non dangereux. Vous devez vous assurer que tous les signaux connectés au produit sont isolés des circuits dangereux sous tension et qu'aucune tension dangereuse n'est présente aux entrées. Des tensions supérieures à celles mentionnées dans les spécifications peuvent endommager le produit ou provoquer un choc électrique.

The following table shows the pinout for the USB device port.

Description Signal Pin Pinout Pin Signal Description
USB data+ D+ 3 1378 2 D- USB data-
Ground GND 4 1 VCC Cable power (5 V)

The following NI cable is available for the NI-9149.

Table 5. USB Device Port Cable
Cable Length Part Number
USB Cable 1 m 157788-01

Chassis Grounding Screw

The NI-9149 provides a chassis grounding screw.

Figure 2. NI-9149 Chassis Grounding Screw

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  1. Chassis grounding screw

For EMC compliance, you must connect the NI-9149 to earth ground through the chassis ground screw. Use wire that is 2.1 mm2 (14 AWG) solid copper wire with a maximum length of 1.5 m (5 ft). Attach the wire to the earth ground of the electrode system of the facility.

Notice If you use shielded cabling to connect to a C Series module with a plastic connector, you must attach the cable shield to the chassis grounding terminal using 2.1 mm2 (14 AWG) or larger wire. Attach a ring lug to the wire and attach the wire to the chassis grounding terminal. Solder the other end of the wire to the cable shield. Use shorter wire for better EMC performance.

For more information about ground connections, visit ni.com/r/emcground.

Internal Real-Time Clock

The NI-9149 contains an internal real-time clock that maintains system time when the NI-9149 is powered off. The system clock of the NI-9149 is synchronized with the internal real-time clock at startup. You can set the real-time clock using the BIOS setup utility or MAX, or you can set the clock programmatically using LabVIEW.

Refer to the specifications for your controller for the real-time clock accuracy specifications.

Battery

The NI-9149 contains a lithium cell battery that stores the system clock information when the NI-9149 is powered off. There is only a slight drain on the battery when power is applied to the NI-9149 power connector. The rate at which the battery drains when power is disconnected depends on the ambient storage temperature. For longer battery life, store the NI-9149 at a cooler temperature and apply power to the power connector. Refer to the specifications for your controller for the expected battery lifetime.

The battery is not user-replaceable. If you need to replace the battery, contact NI. Refer to the Safety, Environmental, and Regulatory Information document for your controller for information about battery disposal.