GPIB OPERATION
3-2-52
QUEUE FLAG DETAILS
The <mav> status bit is set when one or more bytes are available to be read from the
Output Queue.
The <erb> status bit is set when one or more errors are present in the Error Queue. The
ERROR? query will place a nr1 response message in the Output Queue representing the Error at
the head of the queue, if the queue is empty then this message will be 0.
C0075
d
d
d
d
d
d
d
d
3
7
5
1
2
6
4
0
Status Byte Register
➤
➤
➤
➤
➤
➤
➤
➤
➤
Error
Queue
Output
Queue
8
8
8
Device Dependant Errors
Status Byte & Enable Register non-zero
From Standard Event Registers
Response Message
Input from all
Error Conditions
Response
to
ERROR?
Data from Output Queue
<erb>
<mss>
<mav>
<hsb>
<ssb>
<csb>
-
<esb>
