NI GPIB-140A

Description

NI GPIB-140A is a high-performance GPIB(General Purpose Interface Bus)controller or expander produced by National Instruments(NI),which is widely used in test,measurement and control fields.The following is a detailed introduction to NI GPIB-140A:

I.Main functions and features

Expanding GPIB coverage:

NI 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.

It can compensate for signal attenuation and distortion that may occur when using longer cables,ensuring reliable communication between devices.

Providing additional ports:

The bus expander provides additional GPIB ports to connect more GPIB devices,which is very beneficial for complex test setups that require connecting multiple instruments to a single GPIB bus.

It effectively increases the number of available connection points,making the test environment more comprehensive and integrated.

NI GPIB-140A

Electrical Isolation:

The NI GPIB-140A provides isolation between different segments of a GPIB network,protecting connected devices from electrical interference and potential damage caused by ground loops or surges.

The level of electrical isolation it provides is critical in environments where different devices may have different electrical characteristics or grounding requirements.

Compatible with GPIB Standards:

The device is designed to be fully compatible with GPIB standards and complies with IEEE 488.1 and IEEE 488.2 standards,ensuring seamless integration with a wide range of GPIB-compatible devices.

It can be used with instruments from different manufacturers without extensive configuration or custom adapters.

High Accuracy and Stability:

The NI GPIB-140A uses precision clock and timing circuits to ensure the accuracy and consistency of output signals.

It is able to provide accurate and reliable pulse signals for high-precision measurement and control applications.

Flexible Programming and Control:

Supports a variety of programming interfaces and control software,including LabVIEW,Python,C++,etc.

NI GPIB-140A

Users can write custom programs according to their needs and perform flexible control and configuration.

Fiber-optic connection and high-speed transmission:Supports fiber-optic connection.Compared with traditional cable connection,fiber-optic connection has higher bandwidth and anti-interference performance,and can transmit data over longer distances.The characteristics of fiber-optic transmission make NI GPIB-140A have very low latency,which can achieve real-time control and response.

2.Application scenarios Electronic manufacturing test:

In electronic manufacturing test equipment,NI GPIB-140A can connect additional oscilloscopes,signal generators,and logic analyzers to the GPIB bus to improve test efficiency and accuracy.ATE system:In ATE(Automatic Test Equipment)system,bus expander is an important component that helps to improve the flexibility and scalability of GPIB-based test infrastructure.Industrial automation and control:In the field of industrial automation and control,NI GPIB-140A can be used to connect GPIB-supported sensors and monitoring equipment with central control systems to achieve efficient automated control.Laboratory research:It is suitable for laboratory research in various fields,such as physics,chemistry,biology,etc.,providing researchers with high-performance data acquisition and control tools.

III.Technical Specifications

Maximum Cable Length:The NI GPIB-140A has specific signal transmission characteristics that can support the maximum cable length while maintaining reliable communication.

Port Specifications:Standard GPIB connector types,such as 24-pin IEEE 488 connectors,including details such as pin-out configuration.

Isolation Characteristics:Specific isolation voltage ratings and electrical noise rejection capabilities help evaluate the effectiveness of isolation and protection functions.

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