Description
The Part Number 779651-04 refers to a GPIB category product, specifically the Model GPIB-120B. This model is described as a GPIB-120B Bus Isolator/Expander, designed for universal use with a 240 VAC Euro plug. It is compatible with both IEEE 488.1 and IEEE 488.2 standards, ensuring broad applicability.
The device is capable of expanding the device limit on the GPIB bus to up to 28 devices, significantly increasing the capacity for connected instruments. It offers an isolation of up to 2,500 VDC (non-continuous), providing safety and reliability in electrical isolation. Furthermore, the GPIB-120B supports bidirectional expansion, allowing communication in both directions, and it eliminates common-mode/ground loop noise, ensuring signal integrity.
Each GPIB-120B unit allows for the addition of up to 14 additional devices on the GPIB bus, enhancing the system’s expandability. The operation of the device is transparent, meaning it does not require any special configuration or management to function. It supports both buffered and unbuffered mode (with unbuffered mode as the default) for data transfer, offering flexibility in how data is handled.
Regarding connectivity, the GPIB-120B is equipped with eight data lines (DIO1 through DIO8) and three hardware handshake lines, facilitating efficient and reliable data transfer and communication between connected devices.
| Specification | Detail |
|---|---|
| Part Number | 779651-04 |
| Category | GPIB |
| Model | GPIB-120B |
| Description | GPIB-120B Bus Isolator/Expander, Universal Euro 240 VAC |
| Compatibility | IEEE 488.1, IEEE 488.2 |
| Device Limit Expansion | Up to 28 devices on the GPIB bus |
| Isolation | Up to 2,500 VDC (non-continuous) |
| Bidirectional Expansion | Yes |
| Common-mode/ground loop noise elimination | Yes |
| Additional Devices per GPIB-120B | Up to 14 |
| Operation | Transparent |
| Data Transfer Modes | Buffered mode, Unbuffered mode (default) |
| Data Lines | DIO1, DIO2, DIO3, DIO4, DIO5, DIO6, DIO7, DIO8 |
| Hardware Handshake Lines | 3 |
Question 1: What does Part Number 779651-04 refer to?
Answer 1: It refers to GPIB-120B, a GPIB Bus Isolator/Expander.
Question 2: Is the GPIB-120B compatible with IEEE 488 standards?
Answer 2: Yes, it’s compatible with both IEEE 488.1 and 488.2.
Question 3: How many devices can the GPIB-120B support?
Answer 3: It can expand the GPIB bus to support up to 28 devices.
Question 4: What is the isolation voltage of the GPIB-120B?
Answer 4: Up to 2,500 VDC (non-continuous).
Question 5: Can the GPIB-120B function in both buffered and unbuffered modes?
Answer 5: Yes, it supports both modes with unbuffered as the default.
