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Chapter 5, Advanced Operations
Status Reporting
Accessing the Standard Event Status Register Group’s Registers
Table 19 Standard Event Status Register Bit Assignments
Bit
Number
Binary
Weighting
Condition Comment
15 32879 Always 0 Reserved by IEEE 488.2
14 16384 Always 0 Reserved by IEEE 488.2
13 8192 Always 0 Reserved by IEEE 488.2
12 4096 Always 0 Reserved by IEEE 488.2
11 2048 Always 0 Reserved by IEEE 488.2
10 1024 Always 0 Reserved by IEEE 488.2
9 512 Always 0 Reserved by IEEE 488.2
8 256 Always 0 Reserved by IEEE 488.2
7128 Power On1 = Test Set’s power supply has been turned off and then on since the
last time this register was read.
664 User
Request
Not implemented in Test Set.
5 32 Command
Error
1 = The Test Set detected an error while trying to process a command.
The following events cause a command error:
An IEEE 488.2 syntax error. This means that the Test Set received a
message that did not follow the syntax defined by the Standard.
A semantic error. For example, the Test Set received an incorrectly
spelled command.
The Test Set received a Group Execute Trigger (GET) inside a program
message.
4 16 Execution
Error
1 = The Test Set detected an error while trying to execute a command.
The following events cause an execution error:
A <PROGRAM DATA> element received in a command is outside the
legal range for the Test Set or is inconsistent with the operation of the
Test Set.
The Test Set could not execute a valid command due to some Test Set
hardware/firmware condition.
38Device
Dependent
Error
1 = A Test Set dependent error has occurred. This means that some Test
Set operation did not execute properly due to some internal condition,
such as overrange. This bit indicates that the error was not a command,
query, or execution error.