What is IEEE 488 bus 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).
What is the need for IEEE 488 bus?
The purpose of IEEE 488 BUS is to provide digital interfacing between programmable instruments. There are many instrumentation systems in which interactive instruments, under the command of a central controller, provide superior error-free results when compared with conventional manually operated systems.
How do devices connected with IEEE 488 bus communicate with each other?
devices on the bus, one byte at a time. The IEEE-488 bus uses three handshake lines in a “We’re ready – Here’s the data – We’ve got it” sequence to transfer information across the data bus. The handshake protocol assures reliable data transfer at the rate determined by the slowest Listener.
Why IEEE 488 bus is used in microprocessor based measuring instruments?
Figure 6.28 shows a block diagram of a microprocessor based impedance measuring instrument. The operation makes interface with the instrument via the IEEE 488 bus to allow control by, or to make the measurement available to, a large external computer system.
How many devices can be connected in a single IEEE 488 bus?
15 devices
Interconnection Cabling Any individual IEEE-488 bus is limited to 15 devices including the controller.
What is GPIB controller function?
GPIB is an interface bus or connection system used primarily to link electronics test equipment to a central controlled to run automated tests although it can be used for many data communication requirements.
What is GPIB device?
What is GPIB? GPIB (General Purpose Interface Bus) was developed as an interface between computers and measuring instruments. It is mainly used to connect PCs and measuring instruments.
What is a GPIB controller?
GPIB controllers and GPIB interface boards are devices that enable communications between GPIB buses and GPIB networks. GPIB controllers plug into GPIB buses and manage the flow of data between devices that send information (talkers) and devices that receive information (listeners).
How many devices can be connected to a single IEEE 488 Bus?
What limits the data rate in the IEEE 488 bus?
GPIB features / parameters summary
| IEEE 488 bus / GPIB Features Summary | |
|---|---|
| Parameter | Details |
| Bus management lines | 5 |
| Connector | 24-pin Amphenol (typical) D-type occasionally used. |
| Max data rate | ~ 1 Mbyte / sec (HS-488 allows up to ~8Mbyte / sec). |
How many devices can be connected in a single IEEE 488 Bus?
What is GPIB controller?
GPIB controllers and GPIB interface boards are devices that enable communications between GPIB buses and GPIB networks. Originally developed by Hewlett Packard (HP), the GPIB or HPIB bus provides a standard interface for communication between instruments from different sources.
What kind of Interface Bus is IEEE 488?
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).
What is the IEEE 488 stacking connector specification?
IEEE 488 stacking connectors 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).
How are male and female connectors used in IEEE-488?
Devices on the IEEE-488 bus have female receptacles; interconnecting cables have the mating male connectors. Connecting cables will typically have male and female receptacles wired in parallel at each connecting head to allow parallel connection of cables at a device and/or to allow daisychaining between devices.
Is there an IEEE 488 port for a spectrum analyzer?
IEEE-488 port with listed capabilities on a spectrum analyzer. More information see Tektronix. HP’s designers did not specifically plan for IEEE 488 to be a peripheral interface for general-purpose computers; the focus was on instrumentation.