ADLINK Technology PXI-7901 Manuale utente

PXI-7901

16-ch General-Purpose SPDT

Relay Module

User’s Manual

Manual Rev.: Rev. 1.1

Date: February 7, 2020

Part Number: 50-17010-1010

Revision History.

1.00

28-06-2004

Initial release

1.1

07-02-2020

Remove Star Trigger Out functionality

Disclaimer

The information in this document is subject to change without prior notice in

order to improve reliability, design, and function and does not represent a

commitment on the part of the manufacturer.

In no event will the manufacturer be liable for direct, indirect, special,

incidental, or consequential damages arising out of the use or inability to use

the product or documentation, even if advised of the possibility of such

damages.

This document contains proprietary information protected by copyright. All

rights are reserved. No part of this manual may be reproduced by any

mechanical, electronic, or other means in any form without prior written

permission of the manufacturer.

Trademarks

NuDAQ™, NuIPC™, NuDAM™, NuPRO™are registered trademarks of

ADLINK Technology Inc. Other product names mentioned herein are used

for identification purposes only and may be trademarks and/or registered

trademarks of their respective companies.

Environmental Responsibility

ADLINK is committed to fulfill its social responsibility to

global environmental preservation through compliance

with the European Union's Restriction of Hazardous

Substances (RoHS) directive and Waste Electrical and

Electronic Equipment (WEEE) directive. Environmental

protection is a top priority for ADLINK. We have enforced

measures to ensure that our products, manufacturing

processes, components, and raw materials have as little

impact on the environment as possible. When products

are at their end of life, our customers are encouraged to

dispose of them in accordance with the product disposal

and/or recovery programs prescribed by their nation or

company.

Battery Labels (for products with battery)

廢電池請回收

California Proposition 65 Warning

WARNING: This product can expose you to chemicals including

acrylamide, arsenic, benzene, cadmium, Tris(1,3-dichloro-2-

propyl)phosphate (TDCPP), 1,4-Dioxane, formaldehyde, lead,

DEHP, styrene, DINP, BBP, PVC, and vinyl materials, which are known to

the State of California to cause cancer, and acrylamide, benzene, cadmium,

lead, mercury, phthalates, toluene, DEHP, DIDP, DnHP, DBP, BBP, PVC,

and vinyl materials, which are known to the State of California to cause birth

defects or other reproductive harm. For more information go to

www.P65Warnings.ca.gov.

Getting Service

Customer Satisfaction is top priority for ADLINK Technology Inc. If you need

any help or service, please contact us at Ask an Expert:

http://askanexpert.adlinktech.com.

ADLINK Technology, Inc.

Web Site

http://www.adlinktech.com

Sales & Service

[email protected]

Telephone

+886-2-8226-5877

Fax

+886-2-8226-5717

Address

9F, No. 166, Jian Yi Road, Chungho District, New Taipei County

Taiwan 235

Table of Contents • i

Table of Contents

How to Use This Manual..............................................................ii

Chapter 1 Introduction ..............................................................1

1.1

Features.............................................................................1

1.2

Applications........................................................................2

1.3

Specifications.....................................................................2

1.4

Software Support...............................................................3

Chapter 2 Installation ................................................................5

2.1

Contents ............................................................................5

2.2

Unpacking..........................................................................5

2.3

Mechanical Drawing...........................................................6

2.4

Installing the switch module into a PXI Platform................6

Chapter 3 Signal Connection....................................................9

3.1

PXI-7901 Topology................................................................9

3.2

PXI-7901 Pin assignment & Description............................9

3.3

TB-6201 Terminal Board..................................................10

Chapter 4 Operation Theorem................................................11

4.1

Hardware Block Diagram.................................................11

4.2

Operation Mode...............................................................12

4.3

Handshaking....................................................................12

4.4

Trigger Bus. .....................................................................16

4.5

Auxiliary Digital I/O...........................................................18

4.6

Hot-Swap.........................................................................19

4.7

Emergency Shutdown......................................................19

4.8

Watchdog Timer...............................................................20

Warranty Policy........................................................................23

ii • How to use this Manual

How to Use This Manual

This User Manual is designed to assist users in the installation of the ADLINK

PXI-7901, 16-ch General Purpose SPDT Relay PXI Switch module.

Chapter 1 Introduction

Gives an outline and overview of ADLINK switch modules’

features, specifications, and applications.

Chapter 2 Installation

Describes how to install a switch module into a PXI chassis. For

software library and utilities installation, please refer to the

Software Users’ Guide.

Chapter 3 Signal Connection

Shows the pin assignments and terminal board connection of the

switch module.

Chapter 4 Operation Theorem

Describes function blocks on ADLINK switch modules and

operation instructions.

Introduction • 1

Introduction

ADLINK PXI-7901 is a general-purpose (GP) switch module implementing 16-

CH independent single-pole double-throw (SPDT) relays (1 Form C). PXI-7901

can connect one input to one output, and be used as signal switching or routing

for measurement systems as well as ATE.

Relays of PXI-7901 can be updated by either direct-update mode or auto-scan

mode. The latter mode supports scanlist of 1k-sample for deterministic

scanning.

PXI trigger functions are fully supported and software programmable. The

multiple switch modules can be synchronized and triggered without additional

field wiring.

For safety critical applications, PXI-7901 module can switch to the preset state

by either asserting emergency shutdown manually, or watchdog timer overflow

event.

1.1

Features

•PXI specifications Rev. 2.0 compliant

•3U Eurocard form factor, CompactPCI compliant (PICMG 2.0R3.0)

•PICMG 2.1 R2.0 CompactPCI Hot-Swap specificationscompliant

•16-ch SPDT (1 Form C) non-latching relays

•Contact rating

•3A switching, 3Acarrying

•220VDC, 250VAC

•125 operations per second

•1k-sample scanlist for deterministic scanning

•Provides handshaking signals to trigger external instruments

•Programmable emergency shutdown function and Watchdog timer for

safety critical applications

•Eight auxiliary 3.3 V/TTL digital inputs/outputs with 5Vtolerance

•Supports PXI backplane triggers to synchronize multiple modules

•Fully software programmable

2 • Introduction

1.2

Applications

•Industrial ON/OFF control

•External high power relay driving and signal switching

•Laboratory automation

•Industrial automation

•Switch contact status sensing

•Limit switch monitoring

•Cooperating with other modules such as A/D and D/Aperipherals to

implement a data acquisition and control system

1.3

Specifications

Relay Output

•Number of channels: 16

•Relay type: SPDT (1 Form C), non-latching

•Switching capacity:

•Max. switching current: 3A

•Max. switching voltage: 220VDC, 250VAC

•Max. switching power: 50VA, 60W

♦Max. carrying current: 3A

•Failure rate: 10µA

•Contact resistance: 150mΩ max.

•Relay set/reset time

•Operate time: 5msmax.

•Release time: 5msmax.

•Bounce time: 3ms max.

•Expected life:

•Mechanical life: 108operations min.

•Electrical life: 106operations min. (0.4A @ 12VAC, resistive load)

•Data transfer: Programmed I/O

Auxiliary Digital I/O

•Numbers of channel: 8inputs/outputs

•Compatibility: 3.3 V/TTL (5Vtolerant)

•Data transfers: programmed I/O

Handshaking Signals

•Programmable polarity

•Logic level: 3.3 V/TTL (5V tolerant)

•Trigger In source: AUX1, PXI trigger bus, PXI star trigger in

•Scanner Advanced destination: AUX0, PXI trigger bus

Introduction • 3

Safety Functions

•Emergency shutdown

•Logic level: 3.3 V/TTL (5V tolerant)

•Active with logic low (for AUX2/SHDNn pin)

•Emergency shutdown sources: AUX2/SHDNn, PXI star trigger

input, PXI trigger bus

•Watchdog timer

•Base clock available: 10MHz, fixed

•Counter width: 32-bit

•Watchdog Timer Overflow sources: Onboard 32-bitwatchdog

timer, PXI star trigger input, PXI trigger bus

General Specifications

•I/O Connector: 62-pin D-submale

•Operating temperature: 0 to55°C

•Storage temperature: -20 to70°C

•Humidity: 5 to 95% non-condensing

•Power requirements (when all relays are activated simultaneously)

+5V +3.3V

700mA 400mA

•Dimensions (not including connectors)

•160 mm x 100 mm

1.4

Software Support

ADLINK's ADL-SWITCH driver package is for Microsoft Windows operating

systems, including Windows 98/ME/NT/2000/XP.

The driver package also provides utilities to test your switch module, as well as

programming samples and source codes in Microsoft Visual Basic and Visual

C/C++.

For other operating systems, please contact ADLINK for more information.

4 • Introduction

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