12-42 Instrument Control Library Series 2600 System SourceMeters Reference Manual
2600S-901-01 Rev. A / May 2006 Return to Section 12 topics
errorqueue.next
Function Reads an entry from the error/event queue.
Usage
errorcode, message, severity, node = errorqueue.next()
errorcode Returns the error code number for the entry.
message Returns the message that describes the entry.
severity Returns the severity level (0, 10, 20, 30 or 40).
node Returns the node number where the error originated.
Remarks
• 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 Table B-2 in Appendix B.
• If there are no entries in the queue, code 0, “Queue Is Empty” is returned.
• Returned severity levels include the following:
0 Informational – Indicates no error: “Queue is Empty”.
10 Informational – Indicates an event or a minor error. Examples: “Reading
Available” and “Reading Overflow”.
20 Recoverable – Indicates possible invalid user input. Operation will continue
but action should be taken to correct the error. Examples: “Exponent Too
Large” and “Numeric Data Not Allowed”.
30 Serious – Indicates a serious error and may require technical assistance.
Example: “Saved calibration constants corrupted”.
40 Fatal – Indicates that the Series 2600 is non-operational and will require
service. Contact information for service is provided in
Section 1. Examples:
“Bad SMU AFPGA image size”, “SMU is unresponsive” and “Communication
Timeout with DFPGA”.
• In an expanded system, each TSP-Link enabled instrument is assigned a node
number.
node returns the node number where the error originated.
Details See Appendix B (error and status messages) and Appendix D (status model).
Also see errorqueue.clear, errorqueue.count
Example
Reads the oldest entry in the error/event queue:
errorcode, message = errorqueue.next()
print(errorcode, message)
Output: 0.000000e+00 Queue Is Empty
The above output indicates that the queue is empty.
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