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Abbreviating the command to only sending the upper case has the same meaning as sending the upper and lower case command. More recent standards such as USBFireWireand Ethernet take advantage of declining costs of interface electronics to implement more complex standards providing 488.22 bandwidth.
The selected bits are then reported to bit 5 of the Status Byte Register.
Reserved for future use. Enables 1 or disables 0 the clearing of certain enable registers at power on: These commands are grouped into subsystems.
Simple commands which start with a colon: Some commands can both set and query iieee instrument at once. Data is available in the instrument’s output buffer. Specific sub-commands within the hierarchy are nested with a colon: They are made of simple commands separated by a semicolon character. Parameter Typical Return none none Clear event register bits and error queue: These protocols reduce development time because they combine several commands to execute the most common operations required by any test system.
Views Read Edit View history. Parameter Typical Return none see below Return the installed options: PRESet resets the instrument for front-panel operation. Sets “Operation Complete” bit 0 in the Standard Event register at the completion of the current operation.
February Learn how and when ieeee remove this template message. Any or all conditions can be reported to the Standard Event summary bit through the enable register.
While it was originally created for the IEEE Back to Top 2. An event register is a read-only register that latches events from the condition register.
Very High Performance IEEE-488.2Interface Card for ISA Bus
The status reporting model is shown in Figure 1. Multiple commands can be issued to an instrument in a single string. One or more errors have been stored in the Error Queue. It was revised in Resets instrument to factory default stateindependent of MMEMory: The benefits of this standardization for the test system developer are reduced development time and cost, because it solves the problems caused by instrument incompatibilities, varying command structures, and data formats.
GPIB Hardware and Software Specifications – National Instruments
Retrieved from ” https: The slowest participating device determines the speed of the bus. Status Reporting Model Back to Top 3. Because of these IEEE