M9B-HFS OPERATION
M9B-HFS INTERFACE
3-14
Release 1.0 (97/10)
3.5 Error Codes
If the ERR flag in the accumulated status or fault registers has been activated, an ERR? query will return an error
number which corresponds to an event described in Table 3.5-1. The ERR? query will also clear the ERR bit in the
status register.
Table 3.5-1 Error Codes
Error #
Error Identification
Explanation
0
No Errors
4
Unrecognized Character
A character such as @,*,$ was received.
Improper Number
A numeric character was received but the characters were
not a proper number.
Example:
VSET ,±10.3 V
Unrecognized String
An invalid command was received.
Syntax Error
An incorrectly placed word, number, separator, or terminator
was received.
Example:
OFF, VOUT 6V, MASK, ERR
5
Number Out of Range
The numerical value for the command was outside of the
allowed range.
6
Attempt to Exceed Soft Limits
An attempt was made to program a voltage or current
greater than
the soft limit.
Example:
VMAX 500V ; VSET
550V CR
7
Improper Soft Limit
An attempt was made to program a soft limit
less than
the
output value.
8
Data Requested without a Query
Being Sent
The controller requested data from the power supply
without first sending a query command.
9
OVP Set Below Output
An OVSET command was sent with a trip value lower than
the output voltage.
10
Slave Processor Not
Responding
The interface PCB slave processor did not respond.
12
Illegal Calibration
Calibration was attempted when the supply was not in
calibration mode. See CMODE command.