Instructions

Fernzugriff
107
Status registers
Reading only  *STB? common command.
In this case, the (MSS) 6 Bit is returned and remain in the status it was before reading [see §.
*STB (Status Byte)]
The *CLS common command is reset to zero.
Detailed description
RQS
M SS
ESB
MAV
_ _
0123
45
6
6
7
* STB ?
_
RQS Request Service (6 bit)
Indicates if the instrument requests a service. The type of COMM used on the
instrument does not generate a request, but the byte is accessible in reading. It is
reset to 0 after reading and can switch to zero only if the event register is reset to
zero (by reading or *CLS).
MSS Master Summary Status (6 bit)
Indicates if the instrument has a reason to request a service. This information is
accessible only in reading the status register. (*STB? command) and stays as it is
after the reading.
ESB Event Satus Bit (5 bit)
Indicates if at least one of the conditions of the event register is satisfied and not
masked.
MAV Message Available (4 bit)
Indicates if at least one response is in the output spooler.
Service request mask
register
Reading and writing  *SRE command.
7 6 5 4 3 2 1 0
ESB MAV
Event register
Reading  *ESR command. Its reading resets to zero.
Detailed description
7 6 5 4 3 2 1 0
PON URQ CME EXE DDE QYE RQC OPC *ESR?
PON Power On (7 bit)
Not used
URQ User request (6 bit)
Not used
CME Command Error (5 bit)
A command error has been detected.
EXE Execution Error (4 bit)
An error execution has been detected.
DDE Device Dependant Error (3 bit)
An error specific to the instrument has been detected.
QYE Query Error (2 bit)
A query error has been detected.
RQC Request Control (1 bit)
Always at zero.
OPC Operation Complete (0 bit)
All operations running are ended.
SRE<NRF>*SRE?
MSB
LSB
MSB
LSB
MSB
LSB