Remote Operation
5-25
Table 5-7
Bit No. Bit Weight
Description
7
128
Operation Status Register Summary Bit
6
64
Request Service Bit. This bit is set when any
enabled bit of the Status Byte Register has been
set, which indicates it has at least one reason for
requesting service.
5
32
Standard Event Status Register Summary Bit.
4
16
Message Available Bit. This bit is set whenever
there is data available in the output queue, and is
reset when the available data is read.
3-0
Always 0.
2.
Standard Event Status Register:
The Standard Event Status Register is frequently used. The
common use commands *ESE and *ESR? can be utilized to
program it.
Ope
ra
ti
on
C
ompl
ete
Que
ue
E
rr
or
De
vice
De
pe
nde
nt
E
rr
or
E
xe
cuti
on
E
rr
or
C
omm
and
E
rr
or
P
owe
r On
Read Standard
Event Status
Register by *ESR?
0
1
2
3
4
5
6
7
Set Standard Event
Status Enable
Registor by *ESE
L
ogica
l
OR
&
&
&
&
&
&
&
&
Summary Message
Event Bit (ESB)
Bit 5 of Status Byte
Register
0
1
2
3
4
5
6
7
Figure 5-2
