Installation guide

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INSTALLATION GUIDE

BNC-2110

BNC Adapter for E/M/S Series and Analog Output Series Devices

This installation guide describes how to install and configure your BNC-2110 accessory with 68-pin or

100-pin E/M/S Series or 68-pin NI 671x/672x/673x Analog Output (AO) Series multifunction data

acquisition (DAQ) devices. This document also contains accessory specifications.

The BNC-2110 is ideal for simplifying connections between your measurement apparatus and your

DAQ device in laboratory, test, and production environments. The BNC-2110 has the following features:

• 15 BNC connectors for analog input, analog output, trigger/counter functions, and user-defined

signals

• A spring terminal block with 30 pins for digital and timing I/O signal connections

• A 68-pin I/O connector that connects to multifunction DAQ devices

• Can be used on a desktop or mounted on a DIN rail

Contents

Conventions ......................................................................................................................................... 1

What You Need to Get Started ............................................................................................................ 2

Installing the BNC-2110...................................................................................................................... 3

Connecting Differential Analog Input Signals (E/M/S Series Devices Only)..................................... 5

Measuring Floating Signals ......................................................................................................... 5

Measuring Ground-Referenced Signals....................................................................................... 5

Connecting Analog Output Signals ..................................................................................................... 6

Connecting APFI 0/AO EXT REF Signals.......................................................................................... 6

Connecting Trigger/Counter Signals ................................................................................................... 7

Connecting Digital and Timing I/O Signals ........................................................................................ 7

Using the USER 1 and USER 2 BNC Connectors .............................................................................. 9

Specifications....................................................................................................................................... 10

Conventions

The following conventions are used in this document:

<> Angle brackets that contain numbers separated by an ellipsis represent a range of values

associated with a bit or signal name—for example, AO <3..0>.

» The » symbol leads you through nested menu items and dialog box options to a final action.

The sequence File»Page Setup»Options directs you to pull down the File menu, select the

Page Setup item, and select Options from the last dialog box.

This icon denotes a note, which alerts you to important information.

This icon denotes a caution, which advises you of precautions to take to avoid injury, data loss,

or a system crash. When this symbol is marked on a product, refer to the Read Me First: Safety

and Radio-Frequency Interference document for information about precautions to take.

Summary of content (12 pages)

PAGE 1
INSTALLATION GUIDE BNC-2110 BNC Adapter for E/M/S Series and Analog Output Series Devices This installation guide describes how to install and configure your BNC-2110 accessory with 68-pin or 100-pin E/M/S Series or 68-pin NI 671x/672x/673x Analog Output (AO) Series multifunction data acquisition (DAQ) devices. This document also contains accessory specifications.
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bold Bold text denotes items that you must select or click in the software, such as menu items and dialog box options. Bold text also denotes parameter names. italic Italic text denotes variables, emphasis, a cross-reference, or an introduction to a key concept. Italic text also denotes text that is a placeholder for a word or value that you must supply.
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Installing the BNC-2110 Figure 2 shows the front panel of the BNC-2110. NATIONAL INSTRUMENTS 3 1 2 4 5 3 6 7 1 2 3 4 Analog Input/Analog Output BNC Connectors FS/GS Switches Terminal Block Retaining Screws Digital and Timing I/O Spring Terminal Blocks 5 6 7 Power Indicator Light Trigger/Counter BNC Connectors User-Defined Signals BNC Connectors Figure 1. BNC-2110 Front Panel To connect the BNC-2110 to your DAQ device, complete the following steps.
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1. Place the BNC-2110 near the host computer or PXI/PXI Express chassis or use the optional DIN Rail Mounting kit for UMI-FLEX-6 and BNC boxes (part number 777972-01), which you can order from National Instruments at ni.com. Caution Do not connect input voltages greater than 42.4 Vpk/60 VDC to the BNC-2110. The BNC-2110 is not designed for any input voltages greater than 42.4 Vpk/60 VDC, even if a user-installed voltage divider reduces the voltage to within the input range of the DAQ device.
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When you have finished using the BNC-2110, power off any external signals connected to the BNC-2110 before you power off your computer. Connecting Differential Analog Input Signals (E/M/S Series Devices Only) Use the BNC-2110 BNC connectors on the front panel to connect AI <0..7> signals to E/M/S Series DAQ devices. The BNC-2110 is only intended for differential analog input signals. The number of connectors you use depends on your DAQ device and application.
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Signal Source BNC-2110 + – DAQ Device (Differential Input Mode) + GS 0.1 μF GS Mode – AI GND 5 kΩ Figure 3. Measuring a Ground-Referenced Signal Source Connecting Analog Output Signals Use the BNC-2110 BNC connectors on the front panel to connect AO <0..7> signals to your DAQ device. The number of connectors you use depends on your DAQ device and application. E/M/S Series DAQ devices can only use the AO <0..1> BNCs.1 AO Series DAQ devices can use the AO <0..1> and the AO <2..7> BNCs.
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Connecting Trigger/Counter Signals Use the BNC-2110 BNC connectors on the front panel to connect PFI 0/P1.0 (AI START TRIG) and PFI 12/P2.4 (CTR 0 OUT) signals to your DAQ device. The number of connectors you use depends on your DAQ device and application. Refer to your DAQ device documentation for information about the use of these signals. Table 2 describes the trigger/counter BNCs. Table 2. Trigger/Counter Signal Descriptions BNC PFI 0/P1.
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Table 3. Digital and Timing I/O Terminal Descriptions Terminal Description PFI <1..7>/ P1.<1..7> Programmable Function Input channels 1 through 7 or Port 1 Digital Input/Output channels 1 through 7 PFI <8..9>/ P2.<0..1> Programmable Function Input channels 8 through 9 or Port 2 Digital Input/Output channels 0 through 1 PFI 10/P2.
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Using the USER 1 and USER 2 BNC Connectors The USER 1 and USER 2 BNC connectors allow you to use a BNC connector for a digital or timing I/O signal of your choice. The USER 1 and USER 2 BNC connectors are routed (internal to the BNC-2110) to the USER 1 and USER 2 spring terminals, as shown in Figure 4. DIGITAL AND TIMING I/O Spring Terminal Block Internal Connection PFI 9/P2.1 PFI 8/P2.0 PFI 7/P1.7 PFI 6/P1.6 PFI 5/P1.5 PFI 4/P1.4 PFI 3/P1.3 PFI 2/P1.2 PFI 1/P1.1 D GND USER 2 PFI 14/P2.
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DIGITAL AND TIMING I/O Spring Terminal Block PFI 9/P2.1 PFI 8/P2.0 PFI 7/P1.7 PFI 6/P1.6 PFI 5/P1.5 PFI 4/P1.4 PFI 3/P1.3 PFI 2/P1.2 PFI 1/P1.1 D GND USER 2 PFI 14/P2.6 +5V +5V D GND P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 Wire P0.1 P0.0 PFI 13/P2.5 D GND USER 1 PFI 11/P2.3 PFI 10/P2.2 AI SENSE AI GND USER 2 BNC Internal Connection BNC Cable D GND PFI 8 Signal Figure 5. Connecting PFI 8 to USER 2 BNC The designated space below each USER <1..2> BNC is for marking or labeling signal names.
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Pollution Degree (indoor use only)........................2 Maximum altitude..................................................2,000 m Safety This product is designed to meet 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 Note For UL and other safety certifications, refer to the product label or visit ni.
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National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about 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, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.