Description
NI GPIB-140A is a high-performance GPIB(General Purpose Interface Bus)controller or expander produced by National Instruments(NI).Its specific functions and features can be summarized as follows:
I.Basic Functions
Expand GPIB Coverage:
GPIB-140A can connect GPIB devices that are far away from the main GPIB controller,and maintain the integrity of GPIB signals over longer cable lengths through signal conditioning circuits.
Increase the number of device connections:
Provide additional GPIB ports to connect more GPIB devices,suitable for complex test setups that require multiple instruments to be connected to a single GPIB bus.
Provide electrical isolation:
Provide isolation between different segments of the GPIB network,protecting connected devices from electrical interference and potential damage caused by ground loops or surges.
II.Technical Features
Compatibility:
Fully compatible with GPIB standards,compliant with IEEE 488.1 and IEEE 488.2 standards,ensuring seamless integration with a variety of GPIB-compatible devices.
Can be used with instruments produced by different manufacturers,such as well-known test equipment brands such as Agilent,Tektronix and Keithley.
NI GPIB-140A
Signal transmission characteristics:
There are specified maximum cable lengths to support reliable communication while maintaining reliability.
Signal attenuation and distortion characteristics are detailed,usually measured in decibels(dB)and percentage of signal waveform distortion.
Port specifications:
Use standard GPIB connector types,such as 24-pin IEEE 488 connectors.
Port specifications include details such as pin output configuration,which defines how different GPIB signals(such as data lines,control lines,and handshake lines)are connected through the port.
Isolation characteristics:
There are specific rated isolation voltages,which indicate the maximum voltage difference that the device can withstand between isolation segments without failure.
Has electrical noise suppression capabilities,usually measured in common-mode and differential-mode suppression decibels.
III.Application areas
Electronic and electrical test laboratories:
Used to expand the capabilities of GPIB-based test equipment and connect more instruments,such as power meters,frequency meters,and impedance analyzers.
ATE(Automated Test Equipment)Systems:
Helps improve the flexibility and scalability of GPIB-based test infrastructure and create more complex distributed test systems.
Industrial Applications:
Can be used to connect GPIB-enabled sensors and monitoring equipment to central control systems,especially when high-precision measurement and control of specific equipment is required.
NI GPIB-140A
IV.Other Information
Product Form:
GPIB-140A may exist in the form of bus extender,micro-drive,or fiber GPIB extender,and the specific form may vary depending on the application scenario and requirements.
Performance Advantages:
Supports high-speed data transmission for fast instrument control and data acquisition.
Fiber optic connections have higher bandwidth and anti-interference performance,suitable for longer distance data transmission.
Stability and Reliability:
With good stability and reliability,it is suitable for long-term stable operation and high-demand applications.
In summary,NI GPIB-140A is a powerful,compatible,and stable GPIB controller or extender that is widely used in various test and measurement fields.
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