15 Error numbers
There are four groups of standardized errors, which are reported in the Standard Event Status and in the
Error/Event Queue, namely:
Classification
Standard Event
Register
Command Error bit 5 - CME
Execution Error bit 4 - EXE
Device-Specific Error bit 3 - DDE
Query Error bit 2 - QYE
15.1 Command Error
This error indicates that the instrument detected a syntax or semantic error.
15.2 Execution Error
This error indicates that a syntactical valid program message is received that can not be executed due to
some device specific conditions.
15.3 Device specific Error
This error indicates that the PSC-488 could not properly complete some device specific operations.
15.4 Query Error
This error will occur when the Message Exchange Protocol is violated.
For example, when a query was sent to the instrument and subsequently a new command is sent
without first having read the entire response data from the previous query. Also trying to read data from
the PSC-488 without first sending a query to the instrument will cause this error.
In general a query error is reported because of:
• Incorrect query response handling.
• An unterminated or interrupted action.
• A buffer deadlock because the input buffer and output queue are overflown.
• Indefinite response from the PSC-488.
Error number
1 Syntax error
2 Channel-number error
3 Numerical-value error
4 Command without full-scale
5 Maximum voltage range error
6 Maximum current range error
7 Data out of range
8...12, 16 Non volatile memory error
13 Checksum error
14 Overflow
page 31 MANUAL May 2008
DELTA ELEKTRONIKA BV PSC SERIES
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