STATus:QUEStionable[:EVENt]?
Syntax
STATus:QUEStionable[:EVENt]?
Description
This command queries the event register for the Questionable Data Register group.
|
|
For more information on the SCPI Status System for the Agilent 34980A, see the Status System Diagram. |
Used With:
34921A through 34925A Multiplexer Modules
34937A through 34939A GP Switch Modules
34950A Digital I/O Module (digital input and counter channels only)
34952A Multifunction Module (digital input and totalizer channels only)
Remarks
The following table lists the bit definitions for the Questionable Data Register.
|
Bit Number |
Decimal Value |
Definition | |
|
0 |
Voltage Overload |
1 |
Range overload on dc or ac volts. |
|
1 |
Current Overload |
2 |
Range overload on dc or ac current. |
|
2-8 |
Not Used |
Not Used |
"0" is returned. |
|
9 |
Resistance Overload |
512 |
Range overload on 2- or 4-wire resistance. |
|
10 |
Temperature Overload |
1024 |
Range overload on temperature. |
|
11 |
Totalizer Overflow |
2048 |
Count overflow on a totalizer channel. The maximum count is 4,294,967,295 (232 - 1). The count rolls over to "0" after reaching the maximum allowed value. |
|
12 |
Memory Overflow |
4096 |
Reading memory is full. One or more readings have been lost. |
|
13-15 |
Not Used |
Not Used |
"0" is returned. |
Once a bit is set, it remains set until cleared by reading the event register or the *CLS (clear status) command.
Return Format
The command reads the event register and returns a decimal value which corresponds to the binary-weighted sum of all bits set in the register. For example, if bit 1 (decimal value = 2) and bit 9 (decimal value = 512) are set, this command will return "+514".
Example
The following command reads the event register (bit 11 is set).
STAT:QUES?
Typical Response: +2048