6146/6156 DC Voltage/Current Generators Operation Manual
5.6.1 Status Register
5-21
Common conditions in which the Status Byte Register is cleared
• All cleared when the power is turned ON.
• All cleared by *CLS except that MAV is not cleared if data exists in the output buffer.
• Not cleared even if read by *STB?.
Conditions in which the Service Request Enable Register is cleared
• Cleared when the power is turned ON (the PSC flag is set to 1).
• Cleared when the *SRE0 command is executed.
4. Standard Event Status Register
The following table shows the functions assigned to the Standard Event Status Register.
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.
• Cleared when the *ESE0 command is executed.
5. Device Event Status Register
The following table shows the functions assigned to the Device Event Status Register.
Table 5-5 Standard Event Status Register (ESR)
bit Name Description
0OPC
Operation Complete
ON: Set to 1 when all operation is completed after receiving the *OPC command.
1 Not in use Always set to 0
2 Not in use Always set to 0
3 Not in use Always set to 0
4EXE
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.
5CME
Command Error
ON : Set to 1 when the received command is incorrectly spelled.
6 Not in use Always set to 0
7PON
Power On
ON : Set to 1 when the power is turned ON.
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