HP 8114A - Register Usage

HP 8114A Service Guide
-802
-803
Couldn’t write that key code
HP-IB message = “Couldn’t execute Key: [no] ”
Local message = “Couldn’l execute Key: [no] ”
Description:
[no] = key number
Demofile is bigger than read buffer
HP-IB message = “Demo file too big ”
Local message = “Demo file too big fl
Register Usage
The HP 8114A firmware uses the Standard Event Status, Operation
Status, and Questionable Status registers for reporting instrument
status, in accordance with the SCPI standard. The following table lists
the bits used in each register, and what they are used for.
lhble 5-13. Bits Used in SCPI Registers
Register
Bit Description
STANDARD-EVENT-STATUS-REGISTER
0 Set when inst. has completed all pending operations
7 Set to indicate that instrument has powered-up
)PERATION-STATUS-REGISTER
1 Set when inst. starts changing its output signals
1 Cld. when inst. finishes changing output signals
2 Set when inst. starts changing its range
2
Cleared when inst. finishes changing its range
4 Set when inst. starts a frequency measurement
4 Cld. when inst. finishes frequency measurement
QUESTIONABLE-STATUS-REGISTER 0
Set the QUEStionable STAT US bit for VOLTage
0
Clear the QUEStionable STATUS bit for VOL%ge
1 Set the QUEStionable STAT US bit for CURRent
1 Clear the QUEStionable STATUS bit for CURRent
2 Set the QUEStionable STAT US bit for TIME
2 Clear the QUEStionable STAT US bit for TIME
5
Set the QUEStionable STAT US bit for VOLTage
5 Clear the QUEStionable STAT US bit for VOLTage
542 Troubleshooting