Fluke PM-3384B Sander User Manual


 
3 - 70 USING THE COMBISCOPE INSTRUMENTS
3.15 Status Reporting
Status reporting is done via the status reporting system, which is completely
described in chapter 5 "THE STATUS REPORTING SYSTEM" of the SCPI Users
Handbook. The following figure shows the principle of the standard Status Byte
(STB) register and the Service Request Generation (SRQ) mechanism:
3.15.1 Status data for the CombiScope instruments
The following status data applies to the CombiScope instruments:
For the meaning of the bits of the OPERation status, refer to section 3.15.1.1.
For the meaning of the bits of the QUEStionable status, refer to section 3.15.1.2.
For the meaning of the bits of the standard Event Status Register, refer to the
command reference for the
*
ESR? query.
The message output queue can contain about 250 data bytes.
The error/event queue can contain 20 error messages before it overflows.
&
&
&
&
&
&
&
&
OPERation
Status
Standard
Event Status
QUEStionable
Status
Output
Queue
Error/
Event
Queue
Service
Request
Generation
SRQ OPER
RQS
MSS
ESB MAV
QUES
bit2
bit1
bit0
Logical OR
RQS read by
Serial Poll
MSS read by *STB?
Status Byte Reg.
7
5
4
3
2
10
Service Request
Enable Register
*SRE <NRf>
*SRE?
ST7164
Not Used
Figure 3.23 The status reporting model for CombiScope instruments