IEEE488.2 Common Order 
  Copyright © Itech Electronic Co., Ltd.  37 
*OPC 
*IDN? 
This order can read information about power supply. The parameter it returns 
contains 4 segments divided by comma. 
Quest syntax 
*IDN? 
Parameter 
None 
Return parameter 
<AARD> 
Example 
ITECH,6800A,00000000000004,V1.01-V1.00 
*OPC 
When all orders before this order are executed, OPC is 1 for the standard event 
status register. Sending query order will return 1 to output buffer. 
Order syntax 
*OPC 
Parameter 
None 
Quest syntax 
*OPC? 
Return parameter 
<NR1> 
*PSC 
This order control if power supply send a query or not when it is reset. 
Order syntax 
*PSC 
Parameter 
1 
Quest syntax 
*PSC?