NI SCC Series Manuel utilisateur

SCC Quick Start Guide

This document explains how to install and configure National Instruments

Signal Conditioning Components (SCC) modules with NI-DAQmx. SCC

modules work with NI M Series, E Series, and B Series DAQ devices. This

document assumes you have already installed, configured, and tested the

data acquisition (DAQ) device you will connect to the SC-2345/2350

carrier. If you have not done so, refer to the DAQ Getting Started Guide

included with the DAQ device, available on the NI-DAQ CD, and from

ni.com/manuals before continuing.

Throughout this document, abbreviations containing XX are used to refer to

families of related device model numbers.

SCC-AIXX—refers to the SCC-AI01, SCC-AI02, SCC-AI03, SCC-AI04,

SCC-AI05, SCC-AI06, SCC-AI07, SCC-AI13, and SCC-AI14.

SCC-LPXX—refers to the SCC-LP01, SCC-LP02, SCC-LP03, and

SCC-LP04.

SCC-TC0X—refers to the SCC-TC01 and SCC-TC02.

SCC-XX—refers to any SCC module.

SCC-SGXX—refers to the SCC-SG01, SCC-SG02, SCC-SG03,

SCC-SG04, and SCC-SG24.

Step 1. Unpack the Carrier and Modules

Remove the module from the package and inspect the module for loose

components or any sign of damage. Notify NI if the module appears

damaged in any way. Do not install a damaged module into the carrier.

For safety and compliance information, refer to the device documentation

packaged with your device at ni.com/manuals, on the NI-DAQ CD, or

accessible from Start»Programs»National Instruments»NI-DAQ»

Browse Device Documentation, after you install the DAQ documentation

browser.

SCC Quick Start Guide 2 ni.com

The following symbols may be on your device:

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

the product, refer to the Read Me First: Safety and Radio-Frequency

Interference document, shipped with the product, for precautions to take.

When symbol is marked on a product, it denotes a warning advising you to

take precautions to avoid electrical shock.

When symbol is marked on a product, it denotes a component that may be

hot. Touching this component may result in bodily injury.

Step 2. Verify the Components

Make sure you have the following SCC system components.

In addition, you need the following items:

❑Hardware and documentation

– 68-pin DAQ device and documentation

– 68-pin shielded cable

– SC-2345/2350 carrier and SC-2345/2350 Carrier User Manual

– One or more SCC modules and user guide

❑Software and documentation

– NI-DAQ 7.2 or later software and documentation

– One of the following software packages for development:

•LabVIEW

•LabWindows

™/CVI™

1 SCC Module

2 Power Module

3 SCC Carrier

4 Shielded Cable

5DAQDevice

6 Personal Computer

456

SCC-

XXXX

68PositionESeriesPinNumbers andNames

TerminalBlockDefinition

RowB RowC

Possible SCC Configurations

(Colorindicates stripe on SCC)

RowA

P/N184114A-01

Reference Label

SC-2345 Quick

©National Instruments Corporation 3 SCC Quick Start Guide

• Visual C++

• Visual Basic

❑Other tools

– 1/8 in. flathead screwdriver

– Numbers 1 and 2 Phillips screwdrivers

– Wire insulation strippers

To install NI-DAQmx, refer to the DAQ Getting Started Guide. To install

the SC-2345/2350 carrier, refer to the SC-2345/2350 Carrier User Manual.

These documents are available for at ni.com/manuals.

Step 3. Cable the SC-2345/2350 Carrier to

the DAQ Device

Caution Refer to the Read Me First: Safety and Radio-Frequency Interference document

before removing equipment covers or connecting or disconnecting any signal wires.

Follow proper ESD precautions to ensure you are grounded before installing the hardware.

The DAQ device should already be installed in your computer. Refer to the

DAQ Getting Started Guide for installation instructions.

Connect the SC-2345/2350 carrier to the DAQ device with a 68-pin

shielded cable. If you are using an M Series DAQ device with

two connectors, connect the cable to connector 0 or 1. Use connector J24,

shown in Figure 1, on the SC-2345/2350 carrier.

SCC Quick Start Guide 4 ni.com

Figure 1. Connector J24 Location

The chassis ground terminal on the SC-2345/2350 carrier and the

electromagnetic interference (EMI) gasket attached to the strain relief of

the SC-2345 connector block are for grounding a floating source (1 mA

maximum). Do not use these terminals as safety earth grounds. For more

information about the SC-2345/2350 carrier, refer to the SC-2345/2350

Carrier User Manual.

Figure 2 shows the SC-2345 carrier with the signal wires connected.

Figures 3 and 4 show the two types of cabling on the SC-2345 with

configurable connectors.

1 Connector J24 2 Power LEDs 3 SC-2345 Carrier

Digital I/O

or 1st Stage

of a Dual Stage

AI Configuration

Digital I/O

or 1st Stage

of a Dual Stage

AI Configuration

General Purpose

Counter/Timer

Channel 0

General Purpose

Counter/Timer

Channel 1

Analog Output

DAC 1

Analog Output

DAC 0

Single Stage AI

or 2nd Stage

of a Dual Stage

AI Configuration

Single Stage AI

or 2nd Stage

of a Dual Stage

AI Configuration

©National Instruments Corporation 5 SCC Quick Start Guide

Figure 2. SC-2345 Carrier Installation Diagram

Figure 3. Installing a Rear Cabled SC-2345 with Configurable Connectors

1 Screw Terminals

2 SCC Modules

3 Cover Screws

4 68-Pin Shielded Cable

5 Quick Reference Label

6 SCC-PWR

7 SCC Connector Block Socket

8 Screw Terminal Block

9 Top Strain-Relief Bar

10 Top Strain-Relief Screws

1 68-Pin Shielded Cable

2 Strain-Relief Panelette

3 SCC Modules

4 SCC Connector Block Socket

5 BNC Panelette

6 Power LEDs

7 SCC-PWR

8 Screw Terminals

9 Screw Terminal Block

10 Top Cover

11 Cover Screws

68PositionE Series Pin Numbers andNames

Terminal BlockDefinition

RowB RowC

Possible SCC Configurations

(ColorindicatesstripeonSCC)

RowA

P/N184114A-01

Reference Label

SC-2345 Quick

SCC-

XXXX

SCC-

XXXX

SCC-

XXXX

CH1 CH2

711

SCC-

XXXX

SCC-

XXXX

SCC-

XXXX

SCC-

XXXX

SCC Quick Start Guide 6 ni.com

Figure 4. Installing a Side Cabled SC-2345 with Configurable Connectors

Step 4. Set Up the SC-2345/SC-2350 Carrier

The following section describes how to set up common to both the SC-2345

and the SC-2350 carriers.

Procedure 1: Install the Connectors and Panelettes

If you have selected an SC carrier with configurable connectors, install the

connector and interface panelettes. Some panelettes occupy more than

one panelette slot. Table 1 lists the panelette specifications.

1 Cover Screws

2 Top Cover

3 Screw Terminals

4 SCC Modules

5 Strain-Relief Panelette

6 Screw Terminal Block

7 68-Pin Shielded Cable

8 Power LEDs

9 SCC-PWR

10 BNC Panelette

11 SCC Connector Block Socket

Table 1. Panelette Options

Panelette Description

Connectors/Units

per Panelette Slot Width

Mini-thermocouple jack

J- or K-type 2 1

Uncompensated 2 1

Thermocouple jack

J- or K-type 1 1

Uncompensated 1 1

BNC BNC connector 2 1

SMB SMB connector 4 1

Banana jack Banana jack 2 1

CH1CH2

345

SCC-

XXXX

SCC-

XXXX

SCC-

XXXX

SCC-

XXXX

©National Instruments Corporation 7 SCC Quick Start Guide

You can install a blank panelette into any unused panelette opening.

Complete the following steps to install the I/O panelettes:

1. Remove the blank panel before installing any I/O panelettes on the rear

of the SC-2345/2350 with configurable connectors.

2. Place the lower edge of the I/O panelette in the groove at the bottom of

the enclosure opening.

3. Tilt the panelette top back into the enclosure.

4. Secure the panelette with either one, two, or three (depending on the

type of I/O panelette) M2.5 ×6 panhead screws that are included with

the panelette.

5. Connect the lead wires from the panelette to the screw terminals of the

SCC modules or to the 42-pin screw terminal block inside the

SC-2345/2350 carrier.

Procedure 2: Apply I/O Panelette Labels

The SC-2345 with Configurable Connectors and the SC-2350 are shipped

with a sheet of labels to apply to the I/O panelettes as shown in Figure 5.

The label sheet has both printed labels and blank labels you can customize.

LEMO (B-Series)

2-pin female 2 1

4-, 6-pin female 1 1

MIL-Spec 2-, 4-, 6-pin female 1 1

9-pin D-SUB

Single (male) 1 2

Single (female) 1 2

Dual (male) 2 3

Dual (female) 2 3

Momentary switch On – off 2 1

Toggle switch On – off – on 2 1

Rocker switch On – off – on 1 1

LED Red, green, yellow, and orange LEDs 4 1

Potentiometer 1 turn, 10 1 1

Strain relief Small strain relief 1 2

Blank Filler panel — —

Table 1. Panelette Options (Continued)

Panelette Description

Connectors/Units

per Panelette Slot Width

SCC Quick Start Guide 8 ni.com

You can use two labels on single-width I/O panelettes and three or more

labels on wider panelettes.

Figure 5. Installing I/O Panelette Labels

Step 5. Connect the Signals

Caution Always refer to the specifications in your SCC-XX module user guide before

connecting signals. Exceeding specified module ratings can create a shock or fire hazard

and can damage any or all of the devices connected to the module.

Refer to ni.com/info and enter info code rdtntg to confirm signal

names in the NI-DAQ C to NI-DAQmx Terminal Names Translation Guide.

Complete the following steps:

1. Remove power from the signal lines.

2. Strip 7 mm (0.25 in.) of insulation from the ends of the signal wires.

3. Insert the wires into the screw terminals. The SCC-XX module has a

fixed screw-terminal receptacle and a removable screw-terminal block,

as shown in Figure 6.

Figure 6. SCC-XX Two-Part Screw-Terminal System

1 I/O Panelette 2 Labels

1 SCC Screw-Terminal Receptacle 2 Removable Screw-Terminal Block

4. Tighten the screws to 0.5 to 0.6 N · m (4.4 to 5.3 lb – in.) of torque.

5. Check if the strain-relief bar is installed as shown in Figures 3, 4,

and 5. If necessary, reinstall and tighten the strain-relief screws.

6. Close or replace the top cover.

7. Reinsert and tighten the cover screws to ensure proper shielding.

For complete signal-connection information, refer to the SCC-XX module

user guide. For more information about using the SC-2345, refer to the

SC-2345/2350 Carrier User Manual.

SC-2350: Connecting TEDS Sensors

If you are using an IEEE P1451.4 Transducer Electronic Data

Sheet-compatible smart sensor, complete the following steps to connect the

TEDS DATA and RETURN signals. Refer to Figure 7 when completing

the following steps.

1. Connect the DATA signal to the DATA+ screw terminal on the TEDS

screw terminal.

2. Connect the RETURN signal to the RETURN screw terminal on the

TEDS screw terminal.

Figure 7. TEDS DATA+ and RETURN Connections

1 DATA+ 2 2 DATA+ 10 3 RETURN 10 4 RETURN 2

DATA+ 2/10

RETURN 2/10

J27

SCC Quick Start Guide 10 ni.com

Figure 8 shows the SC-2350 carrier with the SCC modules installed.

Figure 8. SC-2350 Carrier Installation Diagram

Connecting Digital Signals (Optional)

The SC-2345/2350 has a 42-position, triple-row screw-terminal block for

connecting to DAQ device digital signals. Depending on the DAQ device

you are using, you can connect the terminal block to various digital signals.

Refer to Figure 10 for signals of E Series, B Series, or M Series

Connector 0. The SC-2345 Quick Reference Label identifies the location

of each signal on the terminal rows A to C. The terminal label numbers

correspond to the pin number location of each signal on the 68-pin DAQ

device connector. Refer to the DAQ device documentation for more

information about this connector.

1 Cover Screws

2 Screw Terminal Block

3 TEDS Screw Terminal

4 SCC Modules—Analog Output

5SCC-PWR

6 D-SUB Panelette

7 SCC Modules—Analog Input

8 Connector Block Sockets

9 TEDS Screw Terminal: RETURN Screw Terminal

10 TEDS Screw Terminal: DATA+ Screw Terminal

11 Strain-Relief Panelette

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