Operation
Error Codes
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 the following table. The ERR? query will also clear the ERR bit in the register.
Table 3.11 Error Codes
ERROR # | ERROR IDENTIFICATION | EXPLANATION |
0 | No Errors |
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4 | Unrecognized Character | Received a character such as @,*,$. |
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| Improper Number | Received a numeric character but the |
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| characters were not a proper number. |
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| Example: VSET,±10.3 |
| Unrecognized String | Received an invalid command. |
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| Syntax Error | Received an incorrectly placed word, |
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| number, separator, or terminator. |
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| Example: OFF SRQ, VOUT 6, MASK, |
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| ERR |
5 | Number Out of Range | Specified a value for the command |
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| which was outside of the allowed range. |
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6 | Attempt to Exceed Soft Limits | Attempted to program a voltage or |
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| current greater than the soft limit. |
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| Example: VMAX 500; VSET 550 LF |
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7 | Improper Soft Limit | Attempted to program a soft limit less |
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| than the output value. |
8 | Data Requested without a | The controller requested data from the |
| Query Being Sent | power supply without first sending a |
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| query command. |
9 | OVP Set Below Output | Sent an OVSET command with a trip |
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| value lower than the output voltage. |
10 | Slave Processor Not | The interface PCB slave processor did |
| Responding | not respond. |
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12 | Illegal Calibration | Attempted calibration when the supply |
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| was not in calibration mode. See |
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| CMODE command. |
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Release 3.1 | 51 |
