Variable Power Supplies are accessible in Linear and Switched Mode formats from 30W up to 32kW, and in bench most desirable or 19" rack mounting styles. Most units have analogue control of voltage and present values as standard enabling the user to set the voltage level and also the present limit remotely, and provide the option for serial communications to a host device employing IEE482, GPIB, RS232, RS485 or USB.
Variable Power Supplies are at the same time known as Programmable Power Supplies, Laboratory Power Supplies or Bench Power Supplies. Essentially these terms describe the similar equipment and refer to a device which will be plugged into the AC mains and produces a totally controllable in spite of this variable dc voltage. For a lot of applications (by way of example in investigation and development) there is at the same time a will need for parameters to be limited so the present limit on these units is too controllable, and even additional over voltage protection to stay away from the voltage being accidentally elevated beyond a predetermined level.
These units are used in a variety of applications and industries, which includes; universities and educational establishments, research and development, laboratories, automotive, space technology, aerospace, oil exploration, renewable energy, electronics, and production testing in loads of other industries. A typical application is automatic test engineering (ATE) exactly where these variable power supplies are rack mounted in 19" cabinets, controlled by an automated program and then monitored remotely so that the information for the itemsfour below test is often logged for pass/fail decisions and for future reference.
In reality, nearly any device could be produced GPIB-compliant by adding a GPIB module to a device. A wonderful approach to think about GPIB is as an optional function - type of which include becoming waterproof. While the practice of employing IEEE-488 for prevalent components is pretty much non-existent right now, it really is common to see GPIB becoming utilized with automation software program and testing. It is also highly widespread with remote monitoring applications - for instance, a powerplant owner might possibly have to have to monitor remote systems with out having a lot of redundant headcount. In this scenario a GPIB module would allow corporate to keep a close eye on performance and output and dispatch any essential workers to cope with issues.
To account for the lack of available ports for GPIB use on newer computers, lots of adapters have popped up providing individuals a way to convert a USB port to GPIB. Each techniques provide a lot faster speeds because there's no effect on performance as they're both restricted by the current spec of GPIB (8 MB/s). GPIB was never ever intended to be utilized to connect "typical" devices to a systems - products including keyboards, mice, printers, etc. However, several engineers decided to use GPIB in these scenarios given that of the ease of implementation and reasonably quickly speed of the connection.
Nowadays, you can simply transform any computer with network or USB port to GPIB device by utilizing the USB to GPIB controller. One prevalent use for a GPIB to USB controller is in the event you need to have an oscillator to have the ability to control and print off a USB printer.Since GPIB operates at 8 mbps, USB is often a viable way to manage GPIB devices for the reason that it maxes out at 480 mbps.