National Instruments NI 9925 Installation Manual

INSTALLATION GUIDE

NI 9925 Outdoor IP54 Enclosure

Wireless/Ethernet Enclosure for NI cDAQ-9181/9191 Chassis

This guide describes how to install and use the National Instruments 9925 outdoor IP54
enclosure with the NI cDAQ-9181/9191 chassis. The NI 9925 provides a minimum ingress
protection (IP) of IP54 against dust and water for outdoor or industrial environments when
installed according to these instructions with the connectors provided. Figure 1 shows the
components in the NI 9925 kit.

13

12

1

2

5

3

9

1011

4

6

7

8

14

15

16

17

18

19

7

8

1 Antenna IP Sleeve
2 2.4 GHz Antenna
3 Antenna IP Boot
4 DIN Rail
5 NI 9925 Enclosure
6 I/O Cable Clamp Nuts
7 I/O Cable Clamp Gaskets
8 I/O Cable Clamps
9 Internal Power Cable
10 M12 Field Termination Power Connector Kit

Figure 1. NI 9925 Outdoor IP54 Enclosure Kit Components

11 Ethernet Connector Kit
12 Internal RJ45 Ethernet Cable
13 Internal Antenna Cable
14 DIN Rail Mounting Clip and

FLH #6-32 × 5/16” Screws
15 Ethernet End Cap
16 M12 Power End Cap
17 Grommets, Split
18 Grommets, Blank
19 Zip Ties For Cable Management

For more information about IP ratings, refer to the Understanding IP Ratings section. For
NI cDAQ-9181/9191 chassis specifications, refer to the NI cDAQ-918x/919x User Manual,
available from

ni.com/manuals.

Figure 2 shows the NI 9925 dimensions.

4x Ø6.5 mm

360.0 mm
(14.17 in.)

61.8 mm

(2.43 in.)

340.0 mm
(13.39 in.)

Mounting Holes

(0.26 in.)

109.0 mm
(4.29 in.)

Mounting

Holes

21.0 mm
(0.83 in.)

Figure 2. NI 9925 Dimensions and Mounting Hole Locations

Setting Up and Installing the NI 9925

81.5 mm
(3.21 in.)

160.0 mm
(6.30 in.)

91.0 mm
(3.58 in.)

You need a number 2 Phillips screwdriver and a 0.125 in. flathead screwdriver to install the
NI 9925. Complete the following steps to set up and install the NI 9925.

1. Remove the NI 9925 from the package and inspect it and the kit contents. Contact NI if the
enclosure appears damaged. Do not install a damaged enclosure or use kit contents that
appear damaged.

2. Use a number 2 Phillips screwdriver to loosen the captive screws and remove the enclosure
cover.

3. (Optional) Mount the NI 9925. Refer to Figure 2 for the NI 9925 mounting hole
dimensions.

4. If you are using an NI cDAQ-9191, remove the antenna from the chassis.

NI 9925 Installation Guide 2 ni.com

5. Fasten the DIN rail clip to the cDAQ chassis using two FLH #6-32 × 5/16” screws
(included in the kit) with a number 2 Phillips screwdriver, as shown in Figure 3.

Figure 3. Attaching DIN Rail Clip to NI cDAQ-9181/9191 Chassis

6. Insert your C Series I/O module into the NI cDAQ-9181/9191 chassis.

7. Connect the internal power cable from the NI 9925 to the cDAQ chassis as shown in
Figure 4.

8. Connect the internal RJ45 Ethernet cable to the NI 9925 and the cDAQ chassis, as shown
in Figure 4.

ACTIVE

STATU S

POWER

1

2

3

1 Internal Antenna Cable
2 Internal RJ45 Ethernet Cable

© National Instruments Corporation 3 NI 9925 Installation Guide

3 Internal Power Cable

Figure 4. Connecting Internal Cables