4601 I-V Meter Operation Manual
6.4 Status Register Structure
6-12
2. Standard Event Status Register (SESR)
•
Common conditions in which the Standard Event Status Register is cleared
All cleared when the power is turned ON.
All cleared by *CLS.
All cleared when read by *ESR?.
•
Conditions in which the Standard Event Status Enable Register is cleared
Cleared when the power is turned ON (the PSC flag is set to 1).
Cleared when the *ESE0 command is executed.
Table 6-4 Standard Event Status Register
bit
Name
Description
0
OPC
(Operation Complete)
ON: Set to 1 when all operations are complete after receiving the
*OPC command.
1
Not in use
Always set to 0
2
Not in use
Always set to 0
3
DDE
(Device Dependent Error)
ON: Set to 1 when a device-dependent error occurs.
4
EXE
(Execution Error)
ON: Set to 1 when a received command is not currently executable.
Set to 1 when incorrect data is entered in a command parameter.
5
CME
(Command Error)
ON: Set to 1 when the received command is incorrectly spelled.
6
MSS
(Master Summary)
Always set to 0
7
PON
(Power On)
ON: Set to 1 when the power is turned ON.
