Remote Operation 
 
5-36  M370430-01  Rev B 
Figure 5-20 summarizes the Standard Event Status Register. 
 
 
Figure 5-20 Summary of Standard Event Status Register 
Table 5-10  Standard Event Status Register 
Set if * OPC command has been received and all 
pending operations have been completed. 
Not implemented. Always set to 0. 
Device Dependent Error 
(DDE) 
Set if there is a device-specific error. 
 
See “Device-Specific Error List” on page B-5 for a 
list possible error codes and descriptions. 
Set if a program data element, following a header, 
was evaluated by the power supply as outside of its 
legal input range, or is otherwise inconsistent with the 
power supply's capabilities. Suggests that a valid 
program message could not be properly executed due 
to some power supply condition. 
 
See “Execution Error List” on page B-4 for a list of 
possible error codes and descriptions. 
 
Standard Event 
Status Register 
(SESR)
Bit  
Operation Complete 
Not Used 
Query Error 
Device Dependent Error 
Execution Error. 
Command Error 
Not Used6 
Power On 
Not Used  
Not Used  
Error/Event Queue Status 
Flag  
QUEStionable Status 
Summary Bit  
Not Used  
OPERation Status 
Summary Bit