252
Appendix C
Status Reporting System
Status Register Structure
Issuing the
command will clear all bits from the status byte register.
Table C-1
Status Bit Definitions of Status Byte (STB)
Bit
Position
Name
Description
0 to 2
Not used
Always 0
3
Questionable Status Register
Summary
Set to “1” when one of the enabled bits in the status event
status register is set to “1.”
4
MAV (Message Available)
Set to “1” when the output queue contains data; reset to
“0” when all of the data has been retrieved.
5
Standard Event Status Register
Summary
Set to “1” when one of the enabled bits in the status event
status register is set to “1.”
6
RQS
Set to “1” when any of the status byte register bits enabled
by the service request enable register is set to “1”; reset to
“0” when all of the data has been retrieved through serial
polling.
7
Operation Status Register
Summary
Set to “1” when one of the enabled bits in the operational
status register is set to “1.”
Содержание 4288A
Страница 18: ...16 Chapter1 Making Effective Use of This Manual How To Use This Manual ...
Страница 102: ...100 Chapter8 Avoiding Mistakes Related to Work and Daily Checks Daily Checks executing the self test ...
Страница 212: ...210 AppendixA Manual Changes Manual Changes ...
Страница 248: ...246 AppendixB Information for Replacing 4278A with 4288A Comparison of Interfaces ...
Страница 258: ...256 AppendixC Status Reporting System Using the Status Reporting System ...
Страница 282: ...280 AppendixG 4268A vs 4288A GPIB Command Correspondence Table 4268A vs 4288A GPIB Command Correspondence Table ...
Страница 288: ...286 Index Index ...