Pickering 41-760 Manuale utente

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Issue 2.0 March 2021

41-760 User Manual

PXI Millivolt Thermocouple Simulator Module

Page ii

pickering

MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

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

pickering

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

Page iii

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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

Page (III)

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

pickering

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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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

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.

Page v

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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

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 Modules ... 4.1

Programming The 41-760............................................. 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

Compensation Block.................................................... 8.1

CONTENTS

Page vi

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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

THIS PAGE INTENTIONALLY BLANK

SECTION 1 - TECHNICAL SPECIFICATION

Page 1.1

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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

SECTION 1 - TECHNICAL SPECIFICATION

PXI Millivolt Thermocouple Simulator 41-760

pickeringtest.com

ISSUE 4.0 MAR 2021

y32, 24, 16 or 8 Channel Low Voltage Source

yIdeal For Thermocouple Simulation

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

y0.7 µV Voltage Resolution (+/-20 mV Range)

yTwo-Wire Output for Each Channel

yRemote Sense for Breaking Ground Loop Effects

yOpen Circuit Simulation

ySupported in PXI or LXI Chassis

yKernel and VISA Drivers

y3 Year Warranty

Voltage

Generator 1

Vo1 Vcold1

Channel 2 Channel 32Channel 1

Voltage

Generator 2

Vo2 Vcold2

Voltage

Generator 32

Vo32 Vcold32

78-Pin D-Type Front Panel Connector

Functional Diagram for the 41-760-001 Millivolt Thermocouple Simulator Module

The 41-760 is a low voltage source module ideal for

simulating the operation of a thermocouple, available with

a choice of 32, 24, 16 or 8 channels. Each channel of the

41-760 provides a low voltage output across two connector

pins capable of providing ±20 mV with 0.7 µV resolution,

±50 mV with 1.7 µV resolution and ±100 mV with 3.3 µV

resolution, covering most thermocouple types.

The use of two wire outputs ensures that the 41-760 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 41-760 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

Source carries accurate calibration data stored in EEPROM

on the module. Regular calibration of the channels is not

necessary.

When used for Thermocouple Simulation the 41-760 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

MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

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Thermocouple Simulator, 41-760

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Speciﬁcations

Speciﬁcation

Low Voltage Channels:

Number of Channels: 32, 24, 16 or 8

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

ranges (Vo to Vcold).

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

1.7 µV nominal (±50 mV range),

3.3 µV nominal (±100 mV range).

Common Mode Output: Up to 1 V common mode peak

output voltage, better than 80dB

common mode output rejection

ratio.

Output Resistance: 50 Ω nominal

- remote switch closed

10 kΩ nominal

- remote switch open

Accuracy*

(Measuring Condition:

High-Z Instrument):

0.1 % ±5 µV (±20 mV range),

0.1 % ±10 µV (±50 mV range),

0.1 % ±15 µV (±100 mV range).

* Valid at ±10°C from calibration temperature

(factory calibrated at 21 °C).

Power Off State: Open circuit

Software support:

Supplied with software that responds to a voltage

instruction on the selected channel.

Power Requirements

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

250 mA 100 mA 200 mA 200 mA

Operating/Storage Conditions

Operating Conditions

Operating Temperature:

Humidity:

Altitude:

0 °C to +55 °C

Up to 90 % non-condensing

5000 m

Storage and Transport Conditions

Storage Temperature:

Humidity:

Altitude:

-20 °C to +75 °C

Up to 90 % non-condensing

15000 m

PXI & CompactPCI Compliance

The module is compliant with the PXI Speciﬁcation 2.2.

Local Bus, Trigger Bus & Star Trigger are not implemented.

Uses a 33 MHz 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 ﬁle

formats are available on request.

Connectors

PCI Interface: 33 MHz, 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

41-760 UUT

Using 41-760-001 directly connected to UUT for

Thermocouple Simulation

SECTION 1 - TECHNICAL SPECIFICATION

Page 1.3

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MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

Thermocouple Simulator, 41-760

pickeringtest.com

Ordering Information

Product Order Codes

Thermocouple Simulator, 32 Channel

Thermocouple Simulator, 24 Channel

Thermocouple Simulator, 16 Channel

Thermocouple Simulator, 8 Channel

41-760-001

41-760-002

41-760-003

41-760-004

Accessories

Compensation Block 40-965-912

Product Customization

Pickering modules are designed and manufactured on our

own ﬂexible manufacturing lines, giving complete product

control and enabling simple customization to meet very

speciﬁc 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 ofﬁce 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 ofﬁce with details.

41-760 Thermocouple

Simulator Module

Temperature

Sensor

Temperature

Sensor

Temperature

Sensor

Temperature

Sensor

40-965-912 Compensation Block

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 speciﬁc thermocouple wiring

and connector types. please contact your local Pickering

Sales Ofﬁce.

The Compensation Block accessory (40-965-912) gives the user a temperature for the junction between the

copper based system of the module / cabling and the Thermocouple material based cabling of the test system,

allowing compensation of readings to increase accuracy.

Page 1.4

SECTION 1 - TECHNICAL SPECIFICATION

MILLIVOLT THERMOCOUPLE SIMULATOR MODULE 41-760

pickering

Thermocouple Simulator, 41-760

pickeringtest.com

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 Relay Division. 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) speciﬁcation

• 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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