Keithley 3700A Series, Справочное руководство

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Section 11: TSP command reference Series 3700A System Switch/Multimeter Reference Manual
11-236 3700AS-901-01 Rev. D/June 2018
errorqueue.next()
This function reads the oldest entry from the error queue and removes it from the queue.
Type TSP-Link accessible
Affected by Where saved Default value
Function Yes
Usage
errorCode , message , severity , errorNode = errorqueue.next()
errorCode
The error code number for the entry
message
The message that describes the error code
severity
The severity level (0, 10, 20, 30, or 40); see Details for more information
errorNode
The node number where the error originated
Details
Entries are stored in a first-in, first-out (FIFO) queue. This function reads the oldest entry and
removes it from the queue.
Error codes and messages are listed in the Error summary list (on page 12-9).
If there are no entries in the queue, code 0, "Queue is Empty" is returned.
Returned severity levels are described in the following table.
Severity level descriptions
Number Level Description
0 Informational Indicates that there are no entries in the queue.
10 Informational Indicates a status message or minor error.
20 Recoverable Indicates possible invalid user input; operation continues but action
should be taken to correct the error.
30 Serious Indicates a serious error that may require technical assistance, such as
corrupted data.
40 Fatal Instrument is not operational.
In an expanded system, each TSP-Link enabled instrument is assigned a node number. The variable
errorNode
stores the node number where the error originated.
Example
errorcode, message = errorqueue.next()
print(errorcode, message)
Reads the oldest entry in the error queue. The
output below indicates that the queue is empty.
Output:
0.00 Queue Is Empty
Also see
Error Available Bit (Error or Event queue) (on page C-8)
errorqueue.clear() (on page 11-235)
errorqueue.count (on page 11-235)
Error summary list (on page 12-9)