Agilent Technologies U2802A Manuale utente
Agilent Technologies
Agilent U2802A
31-Channel
Thermocouple Input
Device
User’s Guide
U2802A_UG.book Page I Friday, November 25, 2011 10:57 AM
II U2802A 31-Channel Thermocouple Input User’s Guide
Notices
© Agilent Technologies, Inc. 2008-2011
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
U2802-90003
Edition
Third Edition, October 28, 2011
Agilent Technologies, Inc.
3501 Stevens Creek Blvd.
Santa Clara, CA 95052 USA
Warranty
The material contained in this docu-
ment is provided “as is,” and is sub-
ject to being changed, without notice,
in future editions. Further, to the max-
imum extent permitted by applicable
law, Agilent disclaims all warranties,
either express or implied, with regard
to this manual and any information
contained herein, including but not
limited to the implied warranties of
merchantability and fitness for a par-
ticular purpose. Agilent shall not be
liable for errors or for incidental or
consequential damages in connec-
tion with the furnishing, use, or per-
formance of this document or of any
information contained herein. Should
Agilent and the user have a separate
written agreement with warranty
terms covering the material in this
document that conflict with these
terms, the warranty terms in the sep-
arate agreement shall control.
Technology Licenses
The hardware and/or software described in
this document are furnished under a license
and may be used or copied only in accor-
dance with the terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights. Soft-
ware and technical data rights granted to
the federal government include only those
rights customarily provided to end user cus-
tomers. Agilent provides this customary
commercial license in Software and techni-
cal data pursuant to FAR 12.211 (Technical
Data) and 12.212 (Computer Software) and,
for the Department of Defense, DFARS
252.227-7015 (Technical Data - Commercial
Items) and DFARS 227.7202-3 (Rights in
Commercial Computer Software or Com-
puter Software Documentation).
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing procedure, practice, or the like
that, if not correctly performed or
adhered to, could result in damage
to the product or loss of important
data. Do not proceed beyond a
CAUTION notice until the indicated
conditions are fully understood and
met.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and
met.
U2802A_UG.book Page II Friday, November 25, 2011 10:57 AM
U2802A 31-Channel Thermocouple Input User’s Guide III
Safety Information
The following general safety precautions must be observed during all phases of this instrument. Failure to comply
with these precautions or with specific warnings elsewhere in this manual violates safety standards of design,
manufacture, and intended use of the instrument. Agilent Technologies, Inc. assumes no liability for the
customer’s failure to comply with these requirements.
Safety Symbols
The following symbols indicate that precautions must be taken to maintain safe
operation of the instrument.
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
On (Supply)
U2802A_UG.book Page III Friday, November 25, 2011 10:57 AM
IV U2802A 31-Channel Thermocouple Input User’s Guide
Off (Supply)
Equipment protected throughout by double insulation or rein-
forced insulation
Caution, risk of electric shock
Caution, hot surface
Caution, risk of danger (See note.)
In position of a bi-stable push control
Out position of a bi-stable push control
U2802A_UG.book Page IV Friday, November 25, 2011 10:57 AM
U2802A 31-Channel Thermocouple Input User’s Guide V
Regulatory Markings
The CE mark is a registered trademark of the European
community. This CE mark shows that the product complies with
all the relevant European legal directive.
ICES/NMB-001 indicates that this ISM device complies
with Canadian ICES-001.
The CSA mark is a registered trademark of the Canadian Stan-
dards Association. A CSA mark with the indicators "C" and "US"
means that the product is certified for both the U.S. and Canadian
markets, to the applicable American and Canadian standards.
The C-tick mark is a registered trademark of the Spectrum Man-
agement Agency of Australia. This signifies compliance with the
Australian EMC Framework regulations under the terms of the
Radio Communications Act of 1992.
This product complies with the (2002/96/EC) marking
equipment. The affixed product label indicates that you must not
discard this electrical/electronic product in domestic household
waste.
U2802A_UG.book Page V Friday, November 25, 2011 10:57 AM
VI U2802A 31-Channel Thermocouple Input User’s Guide
General Safety Information
WARNING
• Do not use the device if it is damaged. Before you use the device,
inspect the case. Look for cracks or missing plastic. Do not operate the
device around explosive gas, vapor or dust.
• Do not apply more than the rated voltage (as marked on the device)
between terminals, or between terminal and external ground.
• Always use the device with the cables provided.
• Observe all markings on the device before connecting to the device.
• Turn off the device and application system power before connecting to
the I/O terminals.
• When servicing the device, use only specified replacement parts.
• Do not operate the device with the removable cover removed or
loosened.
• Do not connect any cables and terminal block prior to performing
self-test process.
• Use only the power adapter supplied by the manufacturer to avoid any
unexpected hazards.
CAUTION
• Do not load the input and output terminals above the specified
operating limits. Input terminals should not exceed ±10 V with respect
to the module ground. Applying excessive voltage or overloading the
device will cause irreversible damage to the circuitry.
• Applying excessive voltage or overloading the input terminal will
damage the device permanently.
• If the device is used in a manner not specified by the manufacturer, the
protection provided by the device may be impaired.
• The U2802A can only be used with U2355A or U2356A DAQs and used
with the SCSI cables provided.
• Always use dry cloth to clean the device. Do not use ethyl alcohol or
any other volatile liquid to clean the device.
• Do not permit any blockage of the ventilation holes of the device.
U2802A_UG.book Page VI Friday, November 25, 2011 10:57 AM
U2802A 31-Channel Thermocouple Input User’s Guide VII
Waste Electrical and Electronic Equipment (WEEE) Directive
2002/96/EC
This instrument complies with the WEEE Directive (2002/96/EC) marking
requirement. This affixed product label indicates that you must not discard this
electrical/electronic product in domestic household waste.
Product Category:
With reference to the equipment types in the WEEE directive Annex 1, this
instrument is classified as a “Monitoring and Control Instrument” product.
The affixed product label is shown as below:
Do not dispose in domestic household waste
To return this unwanted instrument, contact your nearest Agilent office, or visit:
http://www.agilent.com/environment/product
for more information.
U2802A_UG.book Page VII Friday, November 25, 2011 10:57 AM
VIII U2802A 31-Channel Thermocouple Input User’s Guide
Environmental Conditions
The table below shows the general environmental requirements for the product.
Environmental Conditions Requirements
Temperature Operating temperature from 0 °C to +55 °C
Humidity Relative humidity at 50% to 85% RH (Non-condensing)
Altitude Altitude up to 2000 meters
Storage compliance –40 °C to +70 °C
U2802A_UG.book Page VIII Friday, November 25, 2011 10:57 AM
U2802A 31-Channel Thermocouple Input User’s Guide IX
In This Guide...
1GettingStarted
This chapter introduces the new Agilent U2802A 31- channel
thermocouple input device and provides quick start information. It
also provides product outlook, installation configuration and
troubleshooting guide.
2 Features and Functions
This chapter contains details of the product features, applications,
system overview and theory of operation. From this chapter, you
will understand the Agilent U2802A 31- channel thermocouple
input system overview and functionality of this device.
3 Pin Configurations and Assignments
This chapter described the Agilent U2802A 31- channel
thermocouple input device pin configurations and connector pinout
for user’s reference.
4 Product Specifications
This chapter specifies the environmental conditions,
characteristics, and specifications of the Agilent U2802A
31- channel thermocouple input device. It also covers the system
accuracy, typical performance and guidelines to make accurate
temperature measurements.
5 Calibration
This chapter contains the calibration information and factory
restore calibration procedure for the Agilent U2802A 31- channel
thermocouple input device.
U2802A_UG.book Page IX Friday, November 25, 2011 10:57 AM
X U2802A 31-Channel Thermocouple Input User’s Guide
Declaration of Conformity (DoC)
The Declaration of Conformity (DoC) for this instrument is
available on the Web site. You can search the DoC by its product
model or description.
http://regulations.corporate.agilent.com/DoC/search.htm
U2802A_UG.book Page X Friday, November 25, 2011 10:57 AM
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