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PXI-7931

型号：

PXI-7931

品牌：

ETC[ ETC ]

页数：

2 页

PDF大小：

219 K

下载PDF手册
Switches  
Switch Introduction  
To meet the needs of a wide range of uses in the measurement and automation field, switches come in a variety of types and sizes for versatile  
applications. It is important to understand the different types of switches available before selecting the most appropriate switch configuration.  
General-Purpose (GP) Switches  
General purpose switches contain several independent relays which are isolated from each other. GP  
switches are commonly used to connect one input to one output and are usually built with Form A  
or Form C relays. The normal usage of GP switches is to turn on or turn off devices, such as motors,  
fans, heaters, and lights.  
Multiplexers (MUX)  
In test applications, the quantity of instruments is usually lower due to high cost. Thus, to connect  
multiple units under test (UUT) with the testing instrument, a multiplexer is always the choice to  
make the maximum utilization of the instruments. A 1-wire multiplexer routes single-ended signals  
to one point, and a 2-wire multiplexer selects differential signals. A 4-wire multiplexer is usually used  
to measure low resistance or RTDs. The instruments which are often used with multiplexer include  
DMM, digitizer and signal source, such as AWG, to provide both measurement and excitation.  
Matrix  
Matrix switches provide the most versatile switching capacity among these function topologies. In  
the matrix, any input can connect to any output individually or in combination. Unlike the multiplexer,  
the matrix can connect the source or measurement instrument to multiple UUTs at the same time.  
Matrix' advantage is the save of wiring. When users want to change the configurations of measure-  
ment or excitation, users just change the internal connection path, and do not have to manually  
reconfigure the wiring.  
PXI-7901  
16-CH General-Purpose SPDT Relay Module  
■ꢀSupported Operating System  
•ꢀWindows 2000/XP  
■ꢀDriver and SDK  
•ꢀLabVIEW, MATLAB, Visual Studio, Visual Studio.NET  
■ꢀSoftware Utility  
•ꢀADL-SWITCH for Windows  
General Specifications  
ꢀ
■
I/O Connector: 62-pin D-sub male  
■
■
■
■
■
Operating temperature: 0˚C to 55˚C (32˚F to 131˚F)  
Storage temperature: -20˚C to 70˚C (-4˚F to 158˚F)  
Relative humidity: 5% to 85% non-condensing  
Power requirements: (when all relays are ON)  
Dimensions (not including connectors)  
ꢀ
ꢀ
· 160 mm x 100 mm (6.24” x 3.9”)  
Specifications  
Certifications  
Relay Characteristics  
■
EMC/EMI: CE, FCC Class A  
■
Number of channels: 16  
Relay type: SPDT (1 Form C), non-latching  
■
Ordering Information  
■
Switching capacity  
Features  
· Max. switching current: 3 A  
■ PXI-7901  
■
PXI specifications Rev. 2.2 compliant  
· Max. switching voltage: 220 VDC, 250 VAC  
· Max. switching power: 50 VA, 60 W  
· Max. carrying current: 3 A  
16-CH General-Purpose SPDT Relay Module  
■
16-CH SPDT (1 Form C) non-latching relays  
* Failure rate indicates the lower limit of switching capacity of a  
relay contact at a reliability level of 60%  
■
Switching capacity: 3 A switching, 3 A carrying / 220 VDC,  
■
Contact resistance: 150 mΩ max.  
250 VAC  
■
125 operations per second for full settling  
Terminal Boards & Cables  
■
Onboard 1 k-sample scan list for deterministic scanning  
■
Numbers of channel: 8 inputs/outputs  
Compatibility: 3.3 V/TTL (5 V tolerant)  
■
■ TB-6201-01  
General-Purpose Switch Terminal Board with one  
62-Pin D-Sub Female Connector for PXI-7901  
■
Handshaking signals for external instruments synchronization  
■
Hardware emergency shutdown with programmable relay  
safety status  
■
Emergency shutdown  
■ ACL-10262  
62-pin D-sub male/female cable, 1 M  
■
8 auxiliary 3.3 V/TTL digital inputs/outputs with 5 V tolerance  
· Logic level: 3.3 V/TTL (5 V tolerant)  
· Active: logic low  
(For more information about mating cables, please refer to  
P3-48.)  
2-23  
Updated September 23, 2014. ©2014 ADLINK Technology, Inc. All Rights Reserved. All specifications are subject to change without further notice.  
www.adlinktech.com  
Switches  
PXI-7921  
24-CH 2-Wire Multiplexer Module  
■ꢀSupported Operating System  
•ꢀWindows 2000/XP  
■ꢀDriver and SDK  
•ꢀLabVIEW, MATLAB, Visual Studio, Visual Studio.NET  
■ꢀSoftware Utility  
Safety Functions  
ꢀ
■
Emergency shutdown  
· Logic level: 3.3 V/TTL (5 V tolerant)  
· Active with logic low  
ꢀ
General Specifications  
ꢀ
•ꢀADL-SWITCH for Windows  
■
I/O Connector: 62-pin D-sub male  
Operating temperature: 0˚C to 55˚C (32˚F to 131˚F)  
Storage temperature: -20˚C to 70˚C (-4˚F to 158˚F)  
Relative humidity: 5% to 85% non-condensing  
■
Specifications  
■
■
Source Wire  
Multiplexer  
1-wire  
One 48x1  
One 24x1, Two 12x1, Four 6x1  
One 12x1  
Certifications  
2-wire  
■
EMC/EMI: CE, FCC Class A  
4-wire  
Features  
■
PXI specifications Rev. 2.2 compliant  
Ordering Information  
Relay Characteristics  
■
24-CH DPDT (2 Form C) non-latching relays  
■ PXI-7921  
■
Number of channels: 24 (2-wire)  
Relay type: DPDT (2 Form C), non-latching  
Switching capacity  
■
Switching capacity  
24-CH 2-Wire Multiplexer Module  
■
* Failure rate indicates the lower limit of switching capacity of a  
relay contact at a reliability level of 60%  
ꢀ
•ꢀ2 A switching, 2 A carrying  
■
ꢀ
•ꢀ220 VDC, 125 VAC  
· Max. switching current: 2 A  
■
Onboard 1 k-sample scan list for deterministic scanning  
Hardware emergency shutdown with programmable relay  
safety status  
· Max. switching voltage: 220 VDC, 125 VAC  
· Max. switching power: 60 W  
· Max. carrying current: 2 A  
Terminal Boards & Cables  
■ TB-6221-01  
■
Multiplexer Switch Terminal Board with One 62-  
Pin D-Sub Female Connector for PXI-7921  
■
Contact resistance: 100 mΩ max.  
■ ACL-10262  
62-pin D-sub male/female cable, 1 M  
(For more information about mating cables, please refer to  
P3-48.)  
PXI-7931  
4x8 2-Wire Matrix Module  
■ꢀSupported Operating System  
General Specifications  
■
ꢀ
•ꢀWindows 2000/XP  
■ꢀDriver and SDK  
•ꢀLabVIEW, MATLAB, Visual Studio, Visual Studio.NET  
■ꢀSoftware Utility  
•ꢀADL-SWITCH for Windows  
I/O Connector: 62-pin D-sub male  
Operating temperature: 0˚C to 55˚C (32˚F to 131˚F)  
Storage temperature: -20˚C to 70˚C (-4˚F to 158˚F)  
Relative humidity: 5% to 85% non-condensing  
Power requirements: (when all relays are ON)  
Dimensions  
■
■
ꢀ
■
■
ꢀ
■
160 mm x 100 mm (not including connectors)  
Specifications  
Source Wire  
Certifications  
Multiplexer  
■
EMC/EMI: CE, FCC Class A  
2-wire  
One 4x8, Two 4x4, One 2x16, Two 2x8, Four 2x4  
Ordering Information  
Relay Characteristics  
■ PXI-7931  
■
Number of cross points: 32 (2-wire)  
Relay type: DPDT (2 Form C), non-latching  
Features  
4x8 2-Wire Matrix Module  
■
■
■
■
■
PXI specifications Rev. 2.2 compliant  
Configuration determined by terminal board  
Up to 32 cross-point DPDT (2 Form C) non-latching relays  
Contact rating  
* Failure rate indicates the lower limit of switching capacity of a  
relay contact at a reliability level of 60%  
■
Switching capacity  
· Max. switching current: 2 A  
· Max. switching voltage: 220 VDC, 125 VAC  
· Max. switching power: 60 W  
· Max. carrying current: 2 A  
Terminal Boards & Cables  
■ TB-6231-01  
Multiplexer Switch Terminal Board with One  
62-Pin D-Sub Female Connector for PXI-7931  
ꢀ
ꢀ
•ꢀ2 A switching, 2 A carrying  
•ꢀ220 VDC, 125 VAC  
Onboard 1 k-sample scan list for deterministic scanning  
Hardware emergency shutdown with programmable relay  
safety status  
■
Contact resistance: 100 mΩ max.  
■
Auxiliary Digital I/O  
■ ACL-10262  
62-pin D-sub male/female cable, 1 M  
■
■
Numbers of channel: 8 inputs/outputs  
Compatibility: 3.3 V/TTL (5 V tolerant)  
■
(For more information about mating cables, please refer to  
P3-48.)  
■
8 auxiliary 3.3 V/TTL digital inputs/outputs with  
5 V tolerance  
Safety Functions  
■
Emergency shutdown  
· Logic level: 3.3 V/TTL (5 V tolerant)  
· Active: logic low  
2-24  
Updated September 23, 2014. ©2014 ADLINK Technology, Inc. All Rights Reserved. All specifications are subject to change without further notice.  
www.adlinktech.com  
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