Pickering 41-761 Manual de usuario

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Issue 1.0 December 2019

41-761 User Manual

PXI Isolated Millivolt Thermocouple Simulator Module

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

Page (II) REED RELAY MODULE 40-110/115/120/125

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No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by

any means without the written permission of Pickering Interfaces.

Technical details contained within this publication are subject to change without notice.

ISO 9001

Reg No. FM38792

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

Page (III)

REED RELAY MODULE 40-110/115/120/125

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TECHNICAL SUPPORT

For Technical Support please contact Pickering Interfaces either by phone, the website or via e-mail.

WARRANTY

All products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of

three years, excluding programmable power supplies, from the date of delivery to the original purchaser. Any product found to be

defective within this period will, at the discretion of Pickering Interfaces be repaired or replaced.

Products serviced and repaired outside of the warranty period are warranted for ninety days.

Extended warranty and service are available. Please contact Pickering Interfaces by phone, the website or via e-mail.

ENVIRONMENTAL POLICY

Pickering Interfaces operates under an environmental management system similar to ISO 14001.

Pickering Interfaces strives to full all relevant environmental laws and regulations and reduce wastes and releases to the

environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and

safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can

be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.

Worldwide Technical Support and Product Information

pickeringtest.com

Germany

Tel: +49 89 125 953 160

E-mail: [email protected]

Sweden

Tel: +46 340-69 06 69

E-mail: [email protected]

USA

Tel: (West) +1 541 471 0700

Tel: (East) +1 781 897 1710

E-mail: [email protected]

Czech Republic

Tel: +420 558 987 613

E-mail: [email protected]

France

Tel +33 9 72 58 77 00

E-mail [email protected]

Pickering Interfaces Headquarters

Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom

Tel: +44 (0)1255-687900

E-Mail: [email protected]

China

Tel: +86 4008 799 765

E-mail: [email protected]

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

Page (IV) REED RELAY MODULE 40-110/115/120/125

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MEANING / DESCRIPTION SYMBOL

PROTECTIVE EARTH (GROUND)

To identify any terminal which is intended for connection to an external conductor for

protection against electric shock in case of a fault, or the terminal of a protective earth

(ground) electrode.

DANGEROUS VOLTAGE

To indicate hazards arising from dangerous voltages.

WARNING / CAUTION

An appropriate safety instruction should be followed or caution to a potential hazard

exists.

Refer to the relevant instructions detailed within the product manual.

HEAVY

If this product is heavy reference should be made to the safety instructions for

provisions of lifting and moving.

STATIC SENSITIVE

To indicate that static sensitive devices are present and handling precautions should

be followed.

SAFETY SYMBOLS

PRODUCT SAFETY

The following safety symbols may be used on the product and throughout the product documentation.

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

Technical Support and Warranty....................................... iii

Contents (this page)........................................................... v

Section 1

Technical Specication...................................................... 1.1

Section 2

Technical Description ........................................................ 2.1

Functional Description................................................. 2.1

Guidance on Using the Module................................... 2.2

Section 3

Installation........................................................................... 3.1

Pre-Operation Checks.................................................. 3.1

Hardware Installation ................................................... 3.2

Software Installation .................................................... 3.2

Testing Operation ......................................................... 3.3

Section 4

Programming Guide........................................................... 4.1

Programming Options For Pickering PXI Cards........ 4.1

Programming The 41-761............................................. 4.2

General Soft Front Panel ............................................. 4.4

Appendix: Sub-Units & Bit Usage............................... 4.5

Section 5

Connector Information....................................................... 5.1

Section 6

Trouble Shooting ................................................................ 6.1

Section 7

Maintenance Information................................................... 7.1

Software Update ........................................................... 7.1

Verication & Adjustment Procedure ......................... 7.2

Verication Test Results .............................................. 7.5

Section 8

Accessories ........................................................................ 8.1

Cold Junction Compensation Block........................... 8.1

CONTENTS

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

THIS PAGE INTENTIONALLY BLANK

SECTION 1 - TECHNICAL SPECIFICATION

Page 1.1

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

SECTION 1 - TECHNICAL SPECIFICATION

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PXI Isolated Millivolt Thermocouple Simulator 41-761

ISSUE E NOV 2019

PRELIMINARY DATA

• 32, 24, 16 or 8 Channel Low Voltage Source

• Ideal For Thermocouple Simulation

• +/-100mV, +/-50mV and +/-20mV Output Ranges

• 0.7µV Voltage Resolution (+/-20mV Range)

• Two-Wire Output for Each Channel

• Independently Isolated Channels

• Open Circuit Simulation

• Supported in PXI or LXI Chassis

• Kernel and VISA Drivers

• 3 Year Warranty

78-Pin D-Type Front Panel Connector

VOLTAGE

GENERATOR

Vo1 Vcold1

Channel 2 Channel 32Channel 1

VOLTAGE

GENERATOR

Vo2 Vcold2

VOLTAGE

GENERATOR

Vo32 Vcold32

Functional Diagram for the 41-761-001 Isolated Millivolt Thermocouple Simulator Module

The 41-761 is a low voltage output module ideal for simulating the

operation of a thermocouple, available with a choice of 32, 24, 16

or 8 channels. Each channel of the 41-761 provides a low voltage

output across two connector pins capable of providing ±20mV with

0.7µV resolution, ±50mV with 1.7µV resolution and ±100mV with

3.3µV resolution, covering most thermocouple types.

The use of two wire outputs and isolation from ground ensures that

the 41-761 can be used to accurately simulate low voltages even in

the presence of common mode voltages in the system. Each Vcold

connection is independent permitting the 41-761 to be connected

to multiple cold junctions.

Each simulation channel is able to provide an open circuit setting

to simulate faulty wiring connections to a sensor.

For improved accuracy each channel of the Low Voltage Output

carries accurate calibration data stored in EEPROM on the

module. Regular calibration of the channels is not necessary.

When used for Thermocouple Simulation the 41-761 can be

connected straight into the measurement system, bypassing the

need for Isothermal Blocks and Cold Junction Compensation. To

aid in this, Pickering offers a 78-pin connector solution that has

32, 24, 16 or 8 copper twisted pairs terminated with mini copper

thermocouple plugs. Use of copper connections minimizes offset

voltage generation in the connection interface.

Alternatively Pickering can also supply connector blocks that

convert the copper connections of the module’s 78-pin connector to

that of the required thermocouple type.

Page 1.2

SECTION 1 - TECHNICAL SPECIFICATION

ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

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Isolated Thermocouple Simulator – 41-761

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Speciﬁcations

PRELIMINARY DATA

Speciﬁcation

Low Voltage Channels:

Number of Channels: 32, 24, 16 or 8

Output Voltage Range: ±20mV, ±50mV and ±100mV ranges

(Vo to Vcold).

Voltage Resolution: 0.7µV nominal (±20mV range),

1.7µV nominal (±50mV range),

3.3µV nominal (±100mV range).

Channel Isolation: 100V

Output Resistance: 2.6Ω typical

Accuracy*

(Measuring Condition:

High-Z Instrument):

0.1% ±5µV (±20mV range),

0.1% ±10µV (±50mV range),

0.1% ±15µV (±100mV range).

* Valid at ±10°C from calibration temperature

(factory calibrated at 21°C).

Operation Time: 780µs typical (xed range)

3.7ms typical (across range)

Power Off State: Open circuit

Software support:

Supplied with software that responds to a voltage instruction on

the selected channel.

Power Requirements

+3.3V +5V +12V -12V

270mA 1.4A 0 0

Operating/Storage Conditions

Operating Conditions

Operating Temperature:

Humidity:

Altitude:

0°C to +55°C

Up to 90% non-condensing

5000m

Storage and Transport Conditions

Storage Temperature:

Humidity:

Altitude:

-20°C to +75°C

Up to 90% non-condensing

15000m

PXI & CompactPCI Compliance

The module is compliant with the PXI Specication 2.2. Local Bus,

Trigger Bus and Star Trigger are not implemented.

Uses a 33MHz 32-bit backplane interface.

Safety & CE Compliance

All modules are fully CE compliant and meet applicable EU

directives: Low-voltage safety EN61010-1:2010, EMC Immunity

EN61326-1:2013, Emissions EN55011:2009+A1:2010.*

Mechanical Characteristics

Single slot 3U PXI (CompactPCI card).

3D models for all versions in a variety of popular le formats are

available on request.

Connectors

PCI Interface: 33MHz, 32 bit address, 16 bit data

Interface is compatible with PXI, PXI Express

Legacy and PXI Express Hybrid slots.

Signals via front panel 78-pin male D-type connector, for pin outs

please refer to the operating manual.

Vo1

Vcold1

Channel 2

Channel 1

Vo2

Vcold2

Vo32

Vcold32

Channel 32

41-761 UUT

Using 41-761-001 directly connected to UUT for

Thermocouple Simulation

SECTION 1 - TECHNICAL SPECIFICATION

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ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

Isolated Thermocouple Simulator – 41-761

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Ordering Information

PRELIMINARY DATA

Mating Connectors & Cabling

For connecting the Thermocouple Simulator module to the device

under test we recommend the following cables:

78-pin D-type to 32 mini copper

thermocouple plugs, 1m length*

A078DFR-32M002T5A100

78-pin D-type to 24 mini copper

thermocouple plugs, 1m length*

A078DFR-24M002T5A100

78-pin D-type to 16 mini copper

thermocouple plugs, 1m length*

A078DFR-16M002T5A100

78-pin D-type to 8 mini copper

thermocouple plugs, 1m length*

A078DFR-08M002T5A100

*Other lengths are available.

Other 78-pin cable/connector products are available but may

reduce the performance of the product.

For applications requiring specic thermocouple wiring and

connector types. please contact your local Pickering Sales Ofce.

Product Order Codes

Isolated Millivolt Thermocouple Simulator

32 Channel

24 Channel

16 Channel

8 Channel

41-761-001

41-761-002

41-761-003

41-761-004

Accessories

Compensation Block 40-965-912

Product Customization

Pickering PXI modules are designed and manufactured on our own

exible manufacturing lines, giving complete product control and

enabling simple customization to meet very specic requirements.

All customized products are given a unique part number, fully

documented and may be ordered at any time in the future. Please

contact your local sales ofce to discuss.

Pickering Interfaces is dedicated to developing its Millivolt

Thermocouple Simulation range. If there are any sensor

types or features that are not currently available, please

contact your local sales ofce with details.

41-761 Isolated Millivolt

Thermocouple

Simulator Module

Temperature

Sensor

Temperature

Sensor

Temperature

Sensor

Temperature

Sensor

40-965-912 Compensation Block

The Compensation Block accessory (40-965-912) allows the temperature of the front panel junction to be read

back through the provided driver, enabling compensation of settings to increase accuracy.

Page 1.4

SECTION 1 - TECHNICAL SPECIFICATION

ISOLATED MILLIVOLT THERMOCOUPLE SIMULATOR 41-761

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Isolated Thermocouple Simulator – 41-761

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Supporting Products & Software

We also offer customized cabling and have a free online Cable Design Tool that can be

used to create custom cable solutions for many applications.

Visit: pickeringtest.com/cdt to start your design.

Mass Interconnect

We recommend the use of a mass interconnect solution when an Interchangeable Test

Adapter (ITA) is required for a PXI or LXI based test system. Our modules are fully

supported by both Virginia Panel and MacPanel.

Pickering Reed Relays

We are the only switch provider with in-house reed relay manufacturing capability via

our sister company, Pickering Electronics. These instrument grade reed relays feature

SoftCenter® technology, ensuring long service life and repeatable contact performance.

To learn more, please go to: pickeringrelay.com

Chassis Compatibility

This PXI module must be used in a suitable chassis. It is compatible with the following chassis types:

• All chassis conforming to the 3U PXI and 3U Compact PCI (cPCI) specication

• Legacy and Hybrid Peripheral slots in a 3U PXI Express (PXIe) chassis

• Pickering Interfaces LXI or LXI/USB Modular Chassis

Chassis Selection Guide

Standard PXI or hybrid PXIe Chassis from any Vendor:

• Mix our 1000+ PXI switching & simulation modules with any

vendor’s PXI instrumentation

• Embedded or remote Windows PC control

• Real-time Operating System Support

• High data bandwidths, especially with PXI Express

• Integrated module timing and synchronization

Pickering LXI or LXI/USB Modular Chassis—only accept

our 1000+ PXI Switching & Simulation Modules:

• Ethernet or USB control enables remote operation

• Low-cost control from practically any controller

• LXI provides manual control via Web browsers

• Driverless software support

• Power sequencing immunity

• Ethernet provides chassis/controller voltage isolation

• Independence from Windows operating system

Connectivity Solutions

We provide a full range of supporting cable and connector solutions for all our switching products—20 connector families with 1200+

products. We offer everything from simple mating connectors to complex cables assemblies and terminal blocks. All assemblies are

manufactured by Pickering and are guaranteed to mechanically and electrically mate to our modules.

Connectors & Backshells Multiway Cable Assemblies RF Cable Assemblies Connector Blocks

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