What is IEEE 488 GPIB interface?
IEEE 488 is a short-range digital communications 8-bit parallel multi-master interface bus specification developed by Hewlett-Packard as HP-IB (Hewlett-Packard Interface Bus). It subsequently became the subject of several standards, and is generically known as GPIB (General Purpose Interface Bus).
Which type of system is used in IEEE 488 system?
The connector used for the IEEE 488 bus is standardised as a 24-way Amphenol 57 series type. This provides an ideal physical interface for the standard.
How many types of commands are there for GPIB bus?
GPIB / IEEE 488 Bus Includes: Eight are used for data transfer, three are used for a comprehensive form of handshaking, and the remaining five are used for general bus management, carrying status and control information.
How does GPIB bus work?
GPIB uses eight data lines to transfer 1 byte of data at a time at a speed of up to 1 MB/s. However, many measuring instruments have a slow communication speed, and the communication speed of devices connected on the same bus will be limited to that of the slowest device.
Why is GPIB still used?
GPIB is still popular among test engineers in the aerospace and military industries because their products have long life cycles; 20 years is not uncommon. Test equipment manufacturers are trending toward making GPIB an option to minimize the cost of the basic instrument.
Is GPIB serial?
GPIB Instrument Control Device This device transforms a computer with an RS232 serial port into a talker, listener, or controller on the GPIB bus.
What is a GPIB analyzer?
The GPIB analyzer is an application that you can use for testing, debugging, and analysis. It can monitor, capture, and participate in bus activity on the GPIB. You can use the GPIB analyzer to test and debug your own applications by monitoring and capturing GPIB activity while your application is running.
What is GPIB address?
A GPIB address is made up of two parts: a primary address and an optional secondary address. Most devices just use primary addressing. The GPIB Controller manages the communication across the GPIB by using the addresses to designate which devices should be listening or talking at any given moment.
What is the difference between GPIB and serial?
RS232 is used for one to one connection and RS485 is used for one to many connections. RS485 is also referred as multi-drop connection….Serial interfaces(RS232,RS485)
| Specifications | GPIB interface | Serial interface |
|---|---|---|
| Maximum Distance | 2 meter | 50 meter(RS232), 1000 meter(RS485) |
Is GPIB a serial port?
The popular serial interfaces are RS232 and RS485. RS232 is used for one to one connection and RS485 is used for one to many connections. RS485 is also referred as multi-drop connection….Serial interfaces(RS232,RS485)
| Specifications | GPIB interface | Serial interface |
|---|---|---|
| Maximum speed samples/second | 1 MHz | 700 (RS232/RS485) |