NI TBX-2808 Manual de usuario

INSTALLATION INSTRUCTIONS

NI TBX-2808

Screw Terminal Accessory for the NI SwitchBlock

This installation guide describes how to install and connect signals to the NI TBX-2808 screw

terminal accessory for use with NI SwitchBlock cards.

The NI TBX-2808 is an unshielded, DIN-rail mountable terminal breakout block that consists

of a printed circuit board with screw terminals that provide connections to all channels of a

single NI SwitchBlock card. The NI TBX-2808 includes a safety interlock resistor to engage the

NI SwitchBlock card’s safety relays, allowing connections to the NI SwitchBlock analog bus.

Specifications

Maximum voltage............................................. 100 V, CAT I

(row/column-to-ground)

Maximum current (per screw terminal) ............ 2 A

Maximum current (per terminal block) ............ 64 A

Caution This product is rated for Measurement Category I. Do not use this product

for connection to signals or for measurements within Categories II, III, or IV.

Caution The maximum voltage is limited to the lowest voltage of any component in

the NI SwitchBlock system. Review the specifications of the NI SwitchBlock carrier

and cards.

Caution The NI TBX-2808 must be installed inside a suitably rated enclosure with

proper cable/wire strain relief(s) prior to use. There are no user serviceable parts

inside. Do not change or alter this product in any way.

Caution NI products typically must be operated with shielded cables and accessories

to ensure compliance with Electromagnetic Compatibility (EMC) requirements. To

determine if shielded cables or accessories are required for the product that the

NI TBX-2808 will be used with, refer to the EMC specifications in the product’s user

guide or manual. If shielded cables or accessories are required for EMC compliance,

do not use unshielded cables or accessories unless they are installed in a shielded

enclosure with properly designed and shielded input/output ports, and are connected

to the NI product using a shielded cable. If unshielded cables or accessories are not

properly installed and shielded, the EMC specifications for the product are no longer

guaranteed.

NI TBX-2808 Installation Instructions 2 ni.com

Caution The protection provided by this product may be impaired if it is used in a

manner not described in this document.

Compatible DIN rails........................................DIN EN 50 022

DIN EN 50 035

Dimensions (L ×W ×H) ..................................19.8 ×12.8 ×8.5 cm

(7.8 ×5.0 ×3.4 in.)

Weight ...............................................................398 g (14 oz)

What You Need to Get Started

You need the following items to set up and use your screw terminal accessory:

❑One NI SwitchBlock card and specifications

❑NI TBX-2808 screw terminal accessory

❑SH160F-160M-NI SwitchBlock cable

❑1/10 in. (2.5 mm) flathead screwdriver

❑#1 Phillips-head screwdriver

❑Wire cutters

❑Wire insulation strippers

Signal Connection

Refer to Figure 1 and perform the following steps to connect your signals to your screw terminal

accessory:

1. Unscrew the four cover screws with a Phillips-head screwdriver to remove the cover.

2. Use wire cutters and wire insulation strippers to strip the wire ends as necessary to connect

them to screw terminals.

3. Loosen the screws in the screw terminals with a 1/10 in. (2.5 mm) flathead screwdriver.

4. Insert the stripped wires into the screw terminals, and tighten the screws with a 1/10 in.

(2.5 mm) flathead screwdriver.

5. Allow the signal wires to exit through the cover opening.

Note The NI TBX-2808 screw terminal accessory does not provide strain relief for

signal wires. Add strain relief and insulation for your signal wires, if necessary.

6. Replace the cover and tighten the cover screws.

7. If using a shielded cable, connect the cable shield to the earth ground terminal.

©National Instruments 3 NI TBX-2808 Installation Instructions

Figure 1. NI TBX-2808 Parts Locator Diagram

Installing Your Screw Terminal Accessory

Refer to Figure 2 and perform the following steps to connect the screw terminal accessory to the

NI SwitchBlock card connector:

1. Securely fasten the connector on one end of the cable to the NI SwitchBlock card connector

using the thumbscrews.

2. Securely fasten the connector on the other end of the cable to the screw terminal accessory

connector using the thumbscrews.

To disconnect the cable, unscrew the cable and gently pull on the backshell. Do not pull the

cable.

1CoverScrews

2 Cover

3 Cover Opening

4 Screw Terminals

NI TBX-2808 Installation Instructions 4 ni.com

Caution The connectors of both the NI SwitchBlock card and the cable are

polarized. You can attach them in only one way. Tie the ground terminal to an earth

ground to ground the screw terminal end of the cable shield. Do not force the cable

when inserting it into or removing it from the NI SwitchBlock card connector.

Figure 2. Connecting the Cable Assembly

1 NI SwitchBlock carrier

2 Thumbscrews

3 SH160F-160M-NI SwitchBlock cable

4 Cable backshells

5 Ground terminal

6 NI TBX-2808

7 Signal wires

©National Instruments 5 NI TBX-2808 Installation Instructions

Refer to Figure 3 for NI TBX-2808 pinouts.

Figure 3. NI TBX-2808 Pinouts

D32W1

E32W0

D31W1

E31W0

B30W1

C30W0

D30W1

E30W0

A30W1

A29W0

B29W1

C29W0

D29W1

E29W0

B28W1

C28W0

D28W1

E28W0

A28W1

A27W0

B27W1

C27W0

D27W1

E27W0

B26W1

C26W0

D26W1

E26W0

A26W1

A25W0

B25W1

C25W0

D25W1

E25W0

B24W1

C24W0

D24W1

E24W0

A24W1

A23W0

B23W1

C23W0

D23W1

E23W0

B22W1

C22W0

D22W1

E22W0

A22W1

A21W0

B21W1

C21W0

D21W1

E21W0

B20W1

C20W0

D20W1

E20W0

A20W1

A19W0

B19W1

C19W0

D19W1

E19W0

B18W1

C18W0

D18W1

E18W0

A18W1

A17W0

B17W1

C17W0

D17W1

E17W0

B16W1

C16W0

D16W1

E16W0

B13W1

C13W0

D13W1

E13W0

A14W1

A13W0

B14W1

C14W0

D14W1

E14W0

B15W1

C15W0

D15W1

E15W0

A16W1

A15W0

A10W1

A9W0

B10W1

C10W0

D10W1

E10W0

B11W1

C11W0

D11W1

E11W0

A12W1

A11W0

B12W1

C12W0

D12W1

E12W0

D6W1

E6W0

B7W1

C7W0

D7W1

E7W0

A8W1

A7W0

B8W1

C8W0

D8W1

E8W0

B9W1

C9W0

D9W1

E9W0

D3W1

E3W0

A4W1

A3W0

B4W1

C4W0

D4W1

E4W0

B5W1

C5W0

D5W1

E5W0

A6W1

A5W0

C6W1

B6W0

B1W1

C1W0

D1W1

E1W0

A2W1

A1W0

B2W1

C2W0

D2W1

E2W0

B3W1

C3W0

NI TBX-2808 Installation Instructions 6 ni.com

Mounting the NI TBX-2808

When you have completed signal connections and terminal block installation, you can directly

mount the NI TBX-2808 assembly onto a DIN rail with a firm push.

To unmount the NI TBX-2808 from the DIN rail, place a flathead screwdriver into the slot above

the terminal block base and pry it away from the rail.

Environment

Operating temperature ......................................0 °C to 55 °C

Storage temperature ..........................................–20 °C to 70 °C

Relative humidity..............................................5% to 85%, noncondensing

Pollution Degree ...............................................2

Maximum altitude.............................................2,000 m

Indoor use only.

Compliance and Certifications

Safety

This product is UL Recognized as a component and meets the requirements of the following

standards of safety for electrical equipment for measurement, control, and laboratory use:

• IEC 61010-1, EN 61010-1

• UL 61010-1, CSA 61010-1

Caution Refer to the Read Me First: Safety and Electromagnetic Compatibility document for

important safety and electromagnetic compatibility information. To obtain a copy of this

document online, visit ni.com/manuals, and search for the document title.

Note For UL and other safety certifications, refer to the product label or the

Environmental Management section.

CE Compliance

This product meets the essential requirements of applicable European Directives as follows:

• 2006/95/EC; Low-Voltage Directive (safety)

• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible

manner. NI recognizes that eliminating certain hazardous substances from our products is

beneficial to the environment and to NI customers.

For additional environmental information, refer to the NI and the Environment Web page at

ni.com/environment. This page contains the environmental regulations and directives with

which NI complies, as well as other environmental information not included in this document.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of the product life cycle, all products must be sent to a

WEEE recycling center. For more information about WEEE recycling centers,

National Instruments WEEE initiatives, and compliance with WEEE Directive

2002/96/EC on Waste Electrical and Electronic Equipment, visit ni.com/

environment/weee.

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RoHS

Ё೑ᅶ᠋

National Instruments ヺড়Ё೑⬉ᄤֵᙃѻકЁ䰤ࠊՓ⫼ᶤѯ᳝ᆇ⠽䋼ᣛҸ

(RoHS)Ǆ݇Ѣ National Instruments Ё೑ RoHS ড়㾘ᗻֵᙃˈ䇋ⱏᔩ ni.com/

environment/rohs_chinaǄ(For information about China RoHS compliance,

go to ni.com/environment/rohs_china.)

375891A-01 Jun12

LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments

Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks. Other product and

company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments

products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National

Instruments Patents Notice at ni.com/patents. You can find information about end-user license agreements (EULAs) and third-party legal

notices in the NI-SWITCH Readme. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National

Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data.

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