QUEStionable:INSTrument:ISUMmary<n> subregister
This is the subregister of bit <n> of the QUEStionable:INSTrument subregister. This is a 16-bit register that stores information related to the status of and the questionable events that occur during operation of the PWX whose channel you specified.
Use <n> to specify the channel number.
For example, channel 2 is specified as "QUES:INST:ISUM2".
The QUEStionable status register bits may indicate that there are problems with the PWX's measured data.
| Bit | Bit weight | Bit name | Description |
|---|---|---|---|
| 0 | 1 | OV (OVP) | Overvoltage protection has been activated |
| 1 | 2 | OC (OCP) | Overcurrent protection has been activated |
| 2 | 4 | PF (AC) | Low AC input protection has been activated |
| 3 | 8 | Not Used | -- |
| 4 | 16 | OHP (OHP) | Overheat protection has been activated |
| 5 | 32 | SD | Shut down |
| 6 | 64 | OT2(OHP2) | Overheat protection2 has been activated |
| 7 | 128 | SENS | Incorrect sensing connection protection has been activated |
| 8 | 256 | FAN | Fan failure protection has been activated |
| 9 | 512 | INH | Output turned off through external control; OUTP command inhibit status |
| 10 | 1024 | UNR | Not operating in CV mode or CC mode (power limitation has been activated) |
| 11 | 2048 | I2C | I2C communication error |
| 12 | 4096 | OV2 (OVP2) | Overvoltage protection (120 % of the rated voltage) has been activated |
| 13 | 8192 | INSTrument Summary | -- |
| 14 | 16384 | WDOG | Communication monitor has been activated |
| 15 | 32768 | Not Used | Always zero |
Regurated DC Power Supply PWX Series