PPH-1503 User Manual
142
Function
Queries the standard event register. It returns a
binary-weighted decimal value in the range of
0~255.
Example
*ESR?
198
It returns 198 as the standard event register has a
binary value of 1100 0110.
Other Status Register Commands
Command
*CLS
Function
Clears the status byte summary registers and the
all event registers.
Example
*CLS
Clears all the event registers.
Command
*OPC
Function
After all the pending operations are complete, sets
the operation complete bit in the standard event
status register.
Example
*OPC
Command
*OPC?
Function
Will return “1” to the output qu
eue when all
pending operations have been completed.
Example
*OPC?
After the last command is executed, will return a
“1” to the output queue.
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