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191053A-01

The GPIB-120B is a GPIB Bus Expander/Isolator compatible with IEEE 488.1 and 488.2, supporting up to 28 devices with a 2,500 VDC isolation voltage.

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    Description

    The product detailed here includes part numbers 779651-01, 779651-04, 779651-06, and 779651-07, which fall under the GPIB category. The model in question is the GPIB-120B, designed to be fully compatible with both IEEE 488.1 and IEEE 488.2 standards. Its primary function serves as a GPIB Bus Expander/Isolator, which is essential for expanding the capabilities of GPIB systems.

    This unit supports a maximum of 28 devices, providing a substantial increase in the number of devices that can be connected. For each unit added to the system, an additional 14 devices can be supported, enhancing the system’s scalability. It offers an isolation voltage of up to 2,500 VDC (non-continuous), ensuring the safety and integrity of data and devices connected to the bus.

    Regarding data transfer, the GPIB-120B supports both Buffered and Unbuffered (default) modes, catering to different operational requirements and optimizing performance based on the specific needs. The product is equipped with multiple data lines, specifically DIO1, DIO2, DIO3, DIO4, DIO5, DIO6, DIO7, and DIO8, which facilitate efficient data transmission across the GPIB network. Moreover, it features 3 hardware handshake lines, which are crucial for ensuring reliable data transfer and communication between devices.

    Specification Detail
    Part Numbers 779651-01, 779651-04, 779651-06, 779651-07
    Category GPIB
    Model GPIB-120B
    Compatibility IEEE 488.1, IEEE 488.2
    Function GPIB Bus Expander/Isolator
    Maximum Devices Supported 28
    Isolation Voltage Up to 2,500 VDC (non-continuous)
    Additional Devices Supported per Unit 14
    Data Transfer Modes Buffered, Unbuffered (default)
    Data Lines DIO1, DIO2, DIO3, DIO4, DIO5, DIO6, DIO7, DIO8
    Hardware Handshake Lines 3

    Question 1: What IEEE standards is the GPIB-120B compatible with?
    Answer 1: It is compatible with IEEE 488.1 and 488.2 standards.

    Question 2: How many devices can the GPIB-120B support?
    Answer 2: It supports up to 28 devices.

    Question 3: What is the isolation voltage of GPIB-120B?
    Answer 3: It has a 2,500 VDC isolation voltage.

    Question 4: Can the GPIB-120B function in both Buffered and Unbuffered modes?
    Answer 4: Yes, it supports both Buffered and Unbuffered modes.

    Question 5: How many data lines does the GPIB-120B have?
    Answer 5: It has 8 data lines: DIO1 to DIO8.