2024年8月4日发(作者：纪雪莲)
U2905AU2355AU2905A
Agilent U2781A
Features
• 6USB module slots
•Simultaneous Synchronization
(SSI)
•Star Trigger
•Internal and external 10 MHz
reference clock
•Trigger in and trigger out signals
•SCPI commands
•IVI-COM driver compatibility
•USB TMC 488.2 Standards
compliant
•USB 2.0 high speed interface
•Rackmount kit available as an
option
6-slot USB Modular Instrument
Chassis
Data Sheet
Introduction
USB modules and the external trigger
Agilent U2781A USB Modular Instrument
signal. The star trigger bus is a dedicated
Chassis is a 4U height chassis with 6 USB
trigger lines between the external trigger
module slots. It is a portable chassis with
input and USB slots. Users can achieve
high performance added value. It targets a
precise trigger between each USB modules
wide range of applications in both industrial
via the synchronization routing of the star
and scientific environments. It helps you
trigger.
lower your cost of test and accelerate your
test system integration and development.
USB backplane
The USB backplane provides a means to
The Agilent U2781A comes with USB plug
synchronize the modules.
and play connectivity. The USB interface
that is compliant with the USBTMC 488.2
Additional Features
Standards works seamlessly with Agilent
A 10MHz system reference clock is
Measurement Manager software and can
supplied to each modules slots. There are
be controlled remotely via industry standard
two temperature sensors and a monitoring
SCPI commands. In addition, the U2781A
fan control circuit to monitor the internal
USB modular instrument chassis comes
temperature and speed of the fans. The fans
with Agilent IO Libraries Suite 14.2. The IO
are mainly used for heat dissipation.
Libraries provide robust instrument control
The chassis also provides external 10MHz
and work with the software development
reference clock, external trigger in and
environment you choose. IVI-COM driver is
trigger out functions via BNC connectors at
also included to ensure an easy integration
the rear panel.
and compatibility with different
programming environments.
Star trigger bus
The U2781A USB modular instrument
chassis comes with star trigger bus, which
offers precise synchronization between
Agilent Technologies
1
ELECTRICAL SPECIFICATIONS
Power Supply AC Input
Input voltage range
Input frequency range
Input current rating
Effiency
Power Supply DC Output
Output rated voltage
Max output rated current
Max output rated power
Over voltage protection
Internal 10 MHz Reference Clock
Accuracy
Slot to slot skew
External 10 MHz Reference Clock
Auto detection level
Input frequency range
Input magnitude
Input impedance
Damage level
External Trigger In
Compatibility
V
IH
(Positive threshold voltage)
V
IL
(Negative threshold voltage)
Hold time
Input voltage range
Slot to slot skew
External Trigger Out
V
OH
V
OL
Output voltage range
100 to 240 VAC
50 to 60 Hz
3.5 A/115 VAC; 1.7 A/230 VAC
75%
12 VDC
16.7 A
200 W
13.2 to 16.2 V
25 ppm for operating range
350 ps
Yes
10 MHz
100 mVpp to 5 Vpp (sine/square wave)
50 Ω ± 5 Ω
10 Vrms
TTL
2.0 V
0.8 V
8 ns pulse width
0 to 5.0 V
350 ps
2.9 V
0.1 V
0 to 3.3 V
MECHANICAL SPECIFICATIONS
Physical Layout
Number of USB module slots
Dimension of each module slot
Dimension of chassis
Weight
Power LED
USB Backplane
Connector
Input signals
Output signal
Cooling Fan
Number of fans
Fan speed
Noise
Power (each fan)
6
25.40 mm (W) x 174.54 mm (D) x 105.00 mm (H)
270.00 mm (W) x 271.20 mm (D) x 197.00 mm (H)
3.7 kg
ON/OFF type
55 pins Ernet male type C
External 10 MHz clock in (BNC connector)
External trigger in (BNC connector)
Trigger out (BNC connector)
2 (at the bottom of the chassis)
3300 rpm ±10%
37 dB(A)
2.52 W
2
GENERAL SPECIFICATIONS
REMOTE INTERFACE
USB 2.0 High Speed
USBTMC Class Device
POWER CONSUMPTION
400 VA maximum
OPERATING ENVIRONMENT
Operating temperature from 0 °C to +55 °C
Relative humidity at 15% to 85% RH (non-condensing)
Altitude up to 4600 meters
STORAGE COMPLIANCE
–20°C to +70°C
SAFETY COMPLIANCE
Certified with:
•IEC 61010-1:2001/EN 61010-1:2001 (2nd Edition)
•USA: UL61010-1: 2004
•Canada: CSA C22.2 No.61010-1:2004
EMC COMPLIANCE
Certified with:
•IEC/EN 61326-1 1998
•CISPR 11: 1990/EN55011:1991 , Group 1, Class A
•CANADA: ICES-001: 1998
•Australia/New Zealand: AS/NZS 2064.1
ACOUSTIC EMISSION
•Sound pressure level: 45.5 dB(A)
•Sound power level: 56.6 dB(A)
SHOCK and VIBRATION
Tested to IEC/EN 60068-2
DIMENSION (WxDxH)
270.00 mm x 271.20 mm x 197.00 mm
WEIGHT
3.7 kg
WARRANTY
One year
SOFTWARE
REQUIREMENT
Agilent connectivity software included
Agilent IO Libraries Suite 14.2
Minimum system requirements (IO libraries and drivers)
PC hardware 500 MHz Pentium III or higher,
256 MB RAM,
40 GB hard disk space, CD-ROM drive
Operating System Windows 2000 or higher
Computer Interface USB 2.0 high speed
Software driver support for programming languages
Software driver : IVI-COM
Compatible with programming environments:
Agilent VEE Pro, Agilent T&M Toolkit
Microsoft Visual , C/C++
Visual Basic 6
LabVIEW
MATLAB
PRODUCT OVERVIEW
FRONT VIEW
197 m
270 mm
REAR VIEW
Standard Shipped Components:
•USB Interface Cable
•Quick Start Guide
•Functional Test Certificate
•Product Reference CD-ROM
•Agilent IO Libraries Suite 14.2 CD-ROM
Optional Accessories:
•U2905A Rackmount Kit for the U2781A 6-slot USB Modular Instrument
Chassis
3
Agilent Technologies’ Test and Measurement Support, Services, and Assistance
Agilent Technologies aims to maximize the value you receive, while minimizing your risk and
problems. We strive to ensure that you get the test and measurement capabilities you paid for
and obtain the support you need. Our extensive support resources and services can help you
choose the right Agilent products for your applications and apply them successfully. Every
instrument and system we sell has a global warranty. Two concepts underlie Agilent’s overall
support policy: “Our Promise” and “Your Advantage.”
Our Promise
Our Promise means your Agilent test and measurement equipment will meet its advertised
performance and functionality. When you are choosing new equipment, we will help you with
product information, including realistic performance specifications and practical
recommendations from experienced test engineers. When you receive your new Agilent
equipment, we can help verify that it works properly and help with initial product operation.
Your Advantage
Your Advantage means that Agilent offers a wide range of additional expert test and
measurement services, which you can purchase according to your unique technical and
business needs. Solve problems efficiently and gain a competitive edge by contracting with us
for calibration, extra-cost upgrades, out-of-warranty repairs, and on-site education and training,
as well as design, system integration, project management, and other professional engineering
services. Experienced Agilent engineers and technicians worldwide can help you maximize your
productivity, optimize the return on investment of your Agilent instruments and systems, and
obtain dependable measurement accuracy for the life of those products.
Agilent Email Updates
/find/emailupdates
Get the latest information on the products and applications you select.
Agilent Direct
/find/agilentdirect
Quickly choose and use your test equipment solutions with confidence.
Agilent Technologies
For more information on Agilent Technologies’
products, applications or services, please con-
tact your local Agilent office. The complete list
is available at:
/find/contactus
Phone or Fax
United States:
(tel) 800 829 4444
(fax) 800 829 4433
Canada:
(tel) 877 894 4414
(fax) 800 746 4866
China:
(tel) 800 810 0189
(fax) 800 820 2816
Europe:
(tel) 31 20 547 2111
Japan:
(tel) (81) 426 56 7832
(fax) (81) 426 56 7840
Korea:
(tel) (080) 769 0800
(fax) (080) 769 0900
Latin America:
(tel) (305) 269 7500
Taiwan:
(tel) 0800 047 866
(fax) 0800 286 331
Other Asia Pacific Countries:
(tel) (65) 6375 8100
(fax) (65) 6755 0042
Email:*****************
Product specifications and descriptions in this
document subject to change without notice.
© Agilent Technologies, Inc. 2006
Printed in USA, 29 September, 2006
5989-5762EN
4
U2905AU2355AU2905A
2024年8月4日发(作者：纪雪莲)
U2905AU2355AU2905A
Agilent U2781A
Features
• 6USB module slots
•Simultaneous Synchronization
(SSI)
•Star Trigger
•Internal and external 10 MHz
reference clock
•Trigger in and trigger out signals
•SCPI commands
•IVI-COM driver compatibility
•USB TMC 488.2 Standards
compliant
•USB 2.0 high speed interface
•Rackmount kit available as an
option
6-slot USB Modular Instrument
Chassis
Data Sheet
Introduction
USB modules and the external trigger
Agilent U2781A USB Modular Instrument
signal. The star trigger bus is a dedicated
Chassis is a 4U height chassis with 6 USB
trigger lines between the external trigger
module slots. It is a portable chassis with
input and USB slots. Users can achieve
high performance added value. It targets a
precise trigger between each USB modules
wide range of applications in both industrial
via the synchronization routing of the star
and scientific environments. It helps you
trigger.
lower your cost of test and accelerate your
test system integration and development.
USB backplane
The USB backplane provides a means to
The Agilent U2781A comes with USB plug
synchronize the modules.
and play connectivity. The USB interface
that is compliant with the USBTMC 488.2
Additional Features
Standards works seamlessly with Agilent
A 10MHz system reference clock is
Measurement Manager software and can
supplied to each modules slots. There are
be controlled remotely via industry standard
two temperature sensors and a monitoring
SCPI commands. In addition, the U2781A
fan control circuit to monitor the internal
USB modular instrument chassis comes
temperature and speed of the fans. The fans
with Agilent IO Libraries Suite 14.2. The IO
are mainly used for heat dissipation.
Libraries provide robust instrument control
The chassis also provides external 10MHz
and work with the software development
reference clock, external trigger in and
environment you choose. IVI-COM driver is
trigger out functions via BNC connectors at
also included to ensure an easy integration
the rear panel.
and compatibility with different
programming environments.
Star trigger bus
The U2781A USB modular instrument
chassis comes with star trigger bus, which
offers precise synchronization between
Agilent Technologies
1
ELECTRICAL SPECIFICATIONS
Power Supply AC Input
Input voltage range
Input frequency range
Input current rating
Effiency
Power Supply DC Output
Output rated voltage
Max output rated current
Max output rated power
Over voltage protection
Internal 10 MHz Reference Clock
Accuracy
Slot to slot skew
External 10 MHz Reference Clock
Auto detection level
Input frequency range
Input magnitude
Input impedance
Damage level
External Trigger In
Compatibility
V
IH
(Positive threshold voltage)
V
IL
(Negative threshold voltage)
Hold time
Input voltage range
Slot to slot skew
External Trigger Out
V
OH
V
OL
Output voltage range
100 to 240 VAC
50 to 60 Hz
3.5 A/115 VAC; 1.7 A/230 VAC
75%
12 VDC
16.7 A
200 W
13.2 to 16.2 V
25 ppm for operating range
350 ps
Yes
10 MHz
100 mVpp to 5 Vpp (sine/square wave)
50 Ω ± 5 Ω
10 Vrms
TTL
2.0 V
0.8 V
8 ns pulse width
0 to 5.0 V
350 ps
2.9 V
0.1 V
0 to 3.3 V
MECHANICAL SPECIFICATIONS
Physical Layout
Number of USB module slots
Dimension of each module slot
Dimension of chassis
Weight
Power LED
USB Backplane
Connector
Input signals
Output signal
Cooling Fan
Number of fans
Fan speed
Noise
Power (each fan)
6
25.40 mm (W) x 174.54 mm (D) x 105.00 mm (H)
270.00 mm (W) x 271.20 mm (D) x 197.00 mm (H)
3.7 kg
ON/OFF type
55 pins Ernet male type C
External 10 MHz clock in (BNC connector)
External trigger in (BNC connector)
Trigger out (BNC connector)
2 (at the bottom of the chassis)
3300 rpm ±10%
37 dB(A)
2.52 W
2
GENERAL SPECIFICATIONS
REMOTE INTERFACE
USB 2.0 High Speed
USBTMC Class Device
POWER CONSUMPTION
400 VA maximum
OPERATING ENVIRONMENT
Operating temperature from 0 °C to +55 °C
Relative humidity at 15% to 85% RH (non-condensing)
Altitude up to 4600 meters
STORAGE COMPLIANCE
–20°C to +70°C
SAFETY COMPLIANCE
Certified with:
•IEC 61010-1:2001/EN 61010-1:2001 (2nd Edition)
•USA: UL61010-1: 2004
•Canada: CSA C22.2 No.61010-1:2004
EMC COMPLIANCE
Certified with:
•IEC/EN 61326-1 1998
•CISPR 11: 1990/EN55011:1991 , Group 1, Class A
•CANADA: ICES-001: 1998
•Australia/New Zealand: AS/NZS 2064.1
ACOUSTIC EMISSION
•Sound pressure level: 45.5 dB(A)
•Sound power level: 56.6 dB(A)
SHOCK and VIBRATION
Tested to IEC/EN 60068-2
DIMENSION (WxDxH)
270.00 mm x 271.20 mm x 197.00 mm
WEIGHT
3.7 kg
WARRANTY
One year
SOFTWARE
REQUIREMENT
Agilent connectivity software included
Agilent IO Libraries Suite 14.2
Minimum system requirements (IO libraries and drivers)
PC hardware 500 MHz Pentium III or higher,
256 MB RAM,
40 GB hard disk space, CD-ROM drive
Operating System Windows 2000 or higher
Computer Interface USB 2.0 high speed
Software driver support for programming languages
Software driver : IVI-COM
Compatible with programming environments:
Agilent VEE Pro, Agilent T&M Toolkit
Microsoft Visual , C/C++
Visual Basic 6
LabVIEW
MATLAB
PRODUCT OVERVIEW
FRONT VIEW
197 m
270 mm
REAR VIEW
Standard Shipped Components:
•USB Interface Cable
•Quick Start Guide
•Functional Test Certificate
•Product Reference CD-ROM
•Agilent IO Libraries Suite 14.2 CD-ROM
Optional Accessories:
•U2905A Rackmount Kit for the U2781A 6-slot USB Modular Instrument
Chassis
3
Agilent Technologies’ Test and Measurement Support, Services, and Assistance
Agilent Technologies aims to maximize the value you receive, while minimizing your risk and
problems. We strive to ensure that you get the test and measurement capabilities you paid for
and obtain the support you need. Our extensive support resources and services can help you
choose the right Agilent products for your applications and apply them successfully. Every
instrument and system we sell has a global warranty. Two concepts underlie Agilent’s overall
support policy: “Our Promise” and “Your Advantage.”
Our Promise
Our Promise means your Agilent test and measurement equipment will meet its advertised
performance and functionality. When you are choosing new equipment, we will help you with
product information, including realistic performance specifications and practical
recommendations from experienced test engineers. When you receive your new Agilent
equipment, we can help verify that it works properly and help with initial product operation.
Your Advantage
Your Advantage means that Agilent offers a wide range of additional expert test and
measurement services, which you can purchase according to your unique technical and
business needs. Solve problems efficiently and gain a competitive edge by contracting with us
for calibration, extra-cost upgrades, out-of-warranty repairs, and on-site education and training,
as well as design, system integration, project management, and other professional engineering
services. Experienced Agilent engineers and technicians worldwide can help you maximize your
productivity, optimize the return on investment of your Agilent instruments and systems, and
obtain dependable measurement accuracy for the life of those products.
Agilent Email Updates
/find/emailupdates
Get the latest information on the products and applications you select.
Agilent Direct
/find/agilentdirect
Quickly choose and use your test equipment solutions with confidence.
Agilent Technologies
For more information on Agilent Technologies’
products, applications or services, please con-
tact your local Agilent office. The complete list
is available at:
/find/contactus
Phone or Fax
United States:
(tel) 800 829 4444
(fax) 800 829 4433
Canada:
(tel) 877 894 4414
(fax) 800 746 4866
China:
(tel) 800 810 0189
(fax) 800 820 2816
Europe:
(tel) 31 20 547 2111
Japan:
(tel) (81) 426 56 7832
(fax) (81) 426 56 7840
Korea:
(tel) (080) 769 0800
(fax) (080) 769 0900
Latin America:
(tel) (305) 269 7500
Taiwan:
(tel) 0800 047 866
(fax) 0800 286 331
Other Asia Pacific Countries:
(tel) (65) 6375 8100
(fax) (65) 6755 0042
Email:*****************
Product specifications and descriptions in this
document subject to change without notice.
© Agilent Technologies, Inc. 2006
Printed in USA, 29 September, 2006
5989-5762EN
4
U2905AU2355AU2905A