GW Instek PPH-1503 - Manual (Page 128)

PPH-1503 User Manual
128
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 queue when all
pending operations have been completed.
Example *OPC?
After the last command is executed, will return a
“1” to the output queue.