April 2018
52
FPM-8220
ERRors?
Common
Device Dependent
Front Panel
Action
Requests a list of errors which have occurred since the last ERR?
request.
Parameters
None
Response
ASCII character string: list of error numbers, separated by commas.
Notes
0 = no errors reported.
See Appendix A for a list of error numbers.
Examples
ERR?- Response 0 means no errors to report.
Errors? - Response 530 means the measurement head is not connected.
EVEnt?
Common
Device Dependent
Front Panel
Action
Requests the value in the device event status register.
Response
A value between 0 and 65535
Notes
Enabled/disabled events can be set by ENABle:EVEnt.
Status bits are set by events, and cleared when read or cleared by command. See *CLS and
EVEnt? commands.
The measurement ready bit is set whenever the display value is updated. For example, in slow mode
a new measurement is ready every 5 seconds. See FILTer below.
See Chapter 3 for more information about register structure.
Examples
EVE? - Response 2052 means that over-range and measurement data ready events occurred since
the last EVE? inquiry.
Event? - Response #H804 is the same as 2052, except using hexadecimal numbering. See RADix.
FILTer <ASCII string>
Common
Device Dependent
Front Panel
Action
Selects measurement averaging and display update rate.
Parameter
One of the following strings: SLOW
MED
FAST
Notes
Measurement samples are taken every 50 mSec.
Examples
FILTER SLOW - Updates the display every 5 seconds with the average of 100 measurements.
Filter med - Updates the display every 0.5 seconds with the average of 10 measurements.
FILT Fast - Turns off measurement averaging. Updates the display every 50 milliseconds.
Numeric
Value
Over-range
Under-range
4
8
= Unused bits
Measurement data ready
2048
Summary of Contents for FPM-8220
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