UMtS
UhtHA
I IUN
STATUS BYTE
WHEN READ
BY SERIAL POLL
*SRE
*SRE?
Register
Read/Write
Commands
Status Byte Register
d
7
d
6
d
5
d
4
d
3
d
2
di do
<erb>
<mss>
<esb>
<mav>
<hsb>
<csb> <ssb>
Service
Request
Generation
e
7
e
6
e
5
e
4
e
3
e
2
e
i
e
o
mwMmwmmm/mmmMmmMWMMMMmmm-m/Mwmmfw/mrn,
d
7
d
6
d
5
d
4
d
3
d
2
d,
d
0
Service Request Enable Register#
00074
# Bit
6
in
this register ignores data
sent
by *SRE and always returns
0 in response to *SRE?
<erb> is a device defined
queue summary
bit indicating that the error
queue is non-empty.
<rqs> is set by a request
for service and
is cleared
by
the poll.
<esb> is the standard event
register summary
bit.
<mav> is 'message available
1
indicating
that the
output queue is non-empty.
<hsb> is
'hardware status'
summary bit
<csb> is 'coupling
status' summary bit
<ssb> is
'instrument status' summary
bit
<rqs>,
<esb> and <mav> are
defined in IEEE 488.2
<rqs> (request for service) will
produce an
SRQ at the controller.
It is set by a change to either the
Status
Byte or the Service Enable
Register that results
in a New Reason for
Service. It is cleared when
<mss>
goes FALSE (i.e. no
reason for service)
or by Serial Poll.
46882-074C
3-2-49
To Next Page
Loading...