Description
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The National Instruments GPIB-120A GPIB Expander/Isolator is a device designed to expand the capabilities and performance of GPIB systems. With part numbers ranging from 776564-01 to 776564-06, this device falls under the GPIB category and adheres to the IEEE 488.1 standard. The GPIB-120A model is engineered to increase the device limit from 15 to 28 devices, making it an invaluable tool for setups requiring numerous instruments.
This expander/isolator is compatible with transparent software, ensuring seamless integration into existing systems without the need for additional drivers or configuration. One of its most notable features is the ability to double the cable limit to 40 meters, significantly extending the reach of GPIB networks. The GPIB-120A boasts a unique bus configuration that includes two busses, Bus A and Bus B, both equipped with identical circuitry and complete isolation. This configuration not only enhances the flexibility of GPIB systems but also improves their reliability and safety, with operating and breakdown isolations rated at 60 V and 1600 V, respectively.
The device accommodates various connector types, including Amphenol or Cinch series 57 Microribbon and Amp Champ, offering versatility in connectivity options. Additionally, the front panel is equipped with seven LEDs that provide instant visual feedback on the Active Controller and System Controller status, simplifying troubleshooting and monitoring. With 16 signal lines comprising five interface management lines, three handshake lines, and eight data lines, the GPIB-120A ensures comprehensive control and data transfer capabilities. Lastly, its power requirement is typical for devices of its kind, ensuring efficient operation without excessive energy consumption.
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| Specification | Detail |
|---|---|
| Part Numbers | 776564-01, 776564-02, 776564-03, 776564-04, 776564-05, 776564-06 |
| Category | GPIB |
| Model | GPIB-120A |
| Description | National Instruments GPIB-120A GPIB Expander/Isolator |
| IEEE Standard | 488.1 |
| Device Limit Expansion | From 15 to 28 devices |
| Software Compatibility | Transparent software |
| Cable Limit Extension | Double the limit of 20 meters |
| Bus Configuration | Two busses (Bus A and Bus B) with identical circuitry and complete isolation |
| Operating and Breakdown Isolations | 60 V and 1600 V respectively |
| Connector Type | Amphenol or Cinch series 57 Microribbon or Amp Champ |
| Front Panel LEDs | Seven LEDs indicating Active Controller and System Controller status |
| Signal Lines | 16 (Five interface management lines, Three handshake lines, Eight data lines) |
| Power Requirement | Typical
Question 1: What is the device limit increase with GPIB-120A? Question 2: What IEEE standard does GPIB-120A adhere to? Question 3: How much can the GPIB-120A extend cable length? Question 4: What type of isolation does GPIB-120A provide? Question 5: How many signal lines does the GPIB-120A have? |
